Huawei S2700 Hardware Installation And Maintenance Manual
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Huawei S2700 Hardware Installation And Maintenance Manual

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S2700&S3700&S5700&S6700 Switch
Hardware Installation and
Maintenance Guide
Issue
13
Date
2017-11-20
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei S2700

  • Page 1 S2700&S3700&S5700&S6700 Switch Hardware Installation and Maintenance Guide Issue Date 2017-11-20 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...

  • Page 3: About This Document

    Intended Audience This document describes installation procedures, troubleshooting methods, and maintenance instructions for the S2700, S3700, S5700, and S6700 series switches. This document is intended for network engineers responsible for switch installation and maintenance. You should have experience in network device installation and maintenance.
  • Page 4 Changes in Issue 11 (2017-06-30) The documentation is modified according to updates in product features. Changes in Issue 10 (2017-05-04) The documentation is modified according to updates in product features. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 5 This is the third official release. Changes in Issue 02 (2014-06-10) This is the second official release. Changes in Issue 01 (2014-03-20) This is the first official release. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 6: Table Of Contents

    7 Connecting a Switch........................52 7.1 Connecting Power Cables.............................52 7.2 Connecting Ethernet Cables............................56 7.3 Connecting Optical Fibers............................60 7.4 Connecting Copper Cables............................62 7.5 Connecting Stack Cables.............................. 64 Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 7 13.4.3 Grounding Specifications for Devices........................153 13.4.4 Grounding Specifications for Communications Power Supply................153 13.4.5 Grounding Specifications for Signal Cables......................154 13.4.6 Specifications for Laying Out Grounding Cables....................154 Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 8 13.5.4 Engineering Labels for User Cables........................167 13.5.5 Engineering Labels for Power Cables........................168 13.6 Appendix F Guide to Using Optical Modules......................171 13.7 Appendix G Fault Tag.............................. 174 Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 9: Switch Overview

    Battery LAN switches S5700-28P-LI-BAT and S5700-28P-LI-24S-BAT are not described in this document. For details about the installation and maintenance of these switches, see the S5700-LI-BAT Installation and Maintenance Guide. The S2700, S3700, S5700, and S6700 switch models differ in appearance and dimensions, as shown in Figure 1-1.
  • Page 10 LINK /ACT CON SOL 220.0mm 442.0mm 43.6mm 310.0mm 442.0mm MODE 43.6mm 420.0mm 442.0mm 44.4mm 420.0mm 442.0mm MODE 86.1mm 470.0mm STA T SPE D STC K 442.0mm MOD E/ID Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 11 S2700&S3700&S5700&S6700 Switch Hardware Installation and Maintenance Guide 1 Switch Overview NOTE All figures are for illustration purposes only and may not accurately depict the actual device. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 12: Installation Overview

    Figure 2-1 Installation flowchart Start Prepare for installation Unpack the switch Install the switch Connect the ground cable Install modules Connect the switch Check the switch Power on the switch Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Preparing For Installation

    Always take precautions against ESD whenever you handle a switch. For example, wear ESD gloves or an ESD wrist strap. To avoid electric shock or burn, remove conductive objects like jewelry and watch. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 14 Never install or remove the switch or power cables while the power is on. DANGER To ensure personal and equipment safety, ground the switch before powering it on. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Checking The Installation Site

    In addition, drilling holes produces metal shavings that may enter the cabinet and cause short circuits on printed circuit boards (PCBs). 3.2 Checking the Installation Site The S2700, S3700, S5700, and S6700 series switches are used only in indoor equipment rooms. Table 3-1 describes the requirements for the installation site.

  • Page 16: Checking The Cabinet Or Rack

    3.3 Checking the Cabinet or Rack Table 3-2 describes the requirements for the cabinet or rack where an S2700, S3700, S5700, or S6700 series switch will be installed. Table 3-2 Requirements for the cabinet or rack...
  • Page 17 (a), the cabinet depth (b), and the distance between front and rear mounting rails (c). Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Checking The Power Supply System

    3.4 Checking the Power Supply System The power supply system must be ready before the installation. Table 3-3 describes the requirements for the power supply system of the S2700, S3700, S5700, and S6700 series switches. Table 3-3 Power supply requirements Item...

  • Page 19: Preparing Installation Tools And Accessories

    Wear the strap on your wrist and insert the cord into the ESD jack on the cabinet. ESD gloves Used to prevent electrostatic discharge. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 20 Flat-head Used to turn screwdriver slotted-head screws and bolts. Phillips Used to turn screwdriver cross-head screws and bolts. Diagonal Used to cut pliers insulation tubes and cables. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 21 Adjustable Used to turn hex wrench or square bolts and nuts. Table 3-5 Installation accessories Accessory Description Picture Cable tie Used to bundle cables. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 22 Description Picture Fiber binding Used to bundle tape optical fibers. Insulation Used to insulate tape power wires or other conductors. Corrugated Used to protect pipe optical fibers. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Unpacking A Switch

    Step 2 Check the label on the carton to confirm whether the switch model is correct. Label Step 3 Use a utility knife to cut the adhesive tape around the cover of the carton. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 24 The Quick Start Guide manual may be included in the installation accessory package or packaged independently. Step 5 Take the switch out of the carton and remove the foam packing materials. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 25 Warranty seal NOTE Huawei is unable to provide warranty services if the warranty seal is damaged or removed. Step 7 Check whether the nameplate on the chassis is consistent with the label on the carton. The nameplate is attached to either the top or bottom of the chassis.
  • Page 26 Hardware Installation and Maintenance Guide 4 Unpacking a Switch NOTE The type and quantity of items in an installation accessory package vary depending on the product model. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Installing A Switch

    5.3 Scenario 2: Desk Mounting 5.4 Scenario 3: Wall Mounting 5.5 Scenario 4: Top Wall Mounting 5.6 Connecting the Ground Cable 5.1 Installation Scenario Overview The S2700&S3700&S5700&S6700 switches of different sizes support different installation scenarios, as described in Table 5-1, Table...
  • Page 28 8.7 in. x 1.74 in.) 442.0 mm x Supported Supported Not supported 420.0 mm x Use front mounting 43.6 mm (17.4 brackets. in. x 16.5 in. x 1.72 in.) Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 29 442.0 mm Supported Supported Not supported Not supported x 220.0 Use front mm x 44.4 mounting mm (17.4 brackets. in. x 8.7 in. x 1.74 in.) Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 30 43.6 mm (17.4 brackets. in. x 16.5 in. x NOTE 1.72 in.) Using guide rails (purchased separately) to support the S6700-EI is recommended due to its weight. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Scenario 1: Cabinet/Rack Mounting

    5.2 Scenario 1: Cabinet/Rack Mounting 5.2.1 Using Front Mounting Brackets Context This installation method applies to S2700, S3700, S5700 (except S5710-EI, S5710-HI, S5720-SI (420 mm depth), S5730-SI, S5730S-EI, S5720-C-EI, S5720-PC-EI, and S5720-HI), S6700-EI, S6720S-EI, S6720-LI, and S6720S-LI switches. Follow these precautions before or during the installation: Ensure that the cabinet is stable and meets the requirements specified in 3.3 Checking...
  • Page 32 For switch models with the ground point at the left or right side of the chassis, connect the ground cable before mounting the switch in the cabinet or rack. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 33: Using Front And Rear Mounting Brackets

    Secure the mounting brackets to the mounting rails with M6 screws (two on each side) using a Phillips screwdriver. Figure 5-2 Installing the switch in the cabinet ----End 5.2.2 Using Front and Rear Mounting Brackets Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 34 Step 2 Use a measuring tape to measure the distance between the front and rear mounting rails in the cabinet. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 35 See Table 5-5. Table 5-5 Installation of front and rear mounting brackets Distance Between Mounting Bracket Installation Front and Rear Mounting Rails 375-416 mm (14.8-16.4 in.) Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 36 Install two floating nuts on each rear mounting rail. Leave a gap of 1 U between the two floating nuts. Ensure that the lower floating nuts on the four mounting rails are level with one another. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 37 Secure the guide rails to the mounting rails with M6 screws (two on each side) using a Phillips screwdriver. Figure 5-3 Installing rear mounting bracket guide rails (375-454 mm [14.8-17.9 in.] between front and rear mounting rails) Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 38: Using Front Mounting Brackets Or Cable Management Frames And Rear Mounting Brackets

    M6 screws using a Phillips screwdriver. Figure 5-5 Installing the switch in the cabinet ----End 5.2.3 Using Front Mounting Brackets or Cable Management Frames and Rear Mounting Brackets Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 39 Step 2 Use M4 screws to attach front mounting brackets or cable management frames and rear mounting brackets to the switch. Figure 5-6 Figure 5-7 show the mounting brackets and cable management frames of an S5710-HI and associated installation methods. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 40 Install two floating nuts on each rear mounting rail. Leave a gap of 1 U between the two floating nuts. Ensure that the lower floating nuts on the four mounting rails are level with one another. Figure 5-8 Installing floating nuts Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 41 Secure the rear mounting bracket guide rails with M6 screws (two on each side) using a Phillips screwdriver. Figure 5-9 Installing rear mounting bracket guide rails (545-655 mm [21.5-25.8 in.] between front and rear mounting rails) Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 42 Figure 5-11 Supporting the switch using front and rear mounting brackets If you have installed cable management frames and rear mounting brackets on the switch, perform the following steps: Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 43: Scenario 2: Desk Mounting

    To allow sufficient airflow around the switch, leave at least 50 mm (2.0 in.) clearance behind and on both the left and right sides of the switch. Do not place any objects on the switch. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 44 Figure 5-13 Installing a switch on a desk NOTE To determine whether a security lock can be installed, check for the security slot marked with a padlock icon on the chassis. See Figure 5-14. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 45: Scenario 3: Wall Mounting

    Ensure that the switch has at least 100 mm (3.9 in.) free space in all directions. Tools and Accessories Protective gloves ESD wrist strap or ESD gloves Phillips screwdriver Hammer drill (with φ8 drill bit) Adjustable wrench Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 46 Figure 5-15 Installing mounting brackets Step 3 Place the switch against the wall and mark the drilling positions through the holes of the mounting brackets. See Figure 5-16. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 47 35mm~40mm Insert M6 expansion bolts into the holes and tighten the nuts to secure the bolts in place. Loosen and remove the nuts from M6 expansion bolts. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 48: Scenario 4: Top Wall Mounting

    Before drilling holes on a wall, make sure that no power cables are hidden in the wall. Tools and Accessories ESD wrist strap or ESD gloves Phillips screwdriver Hammer drill (with φ8 drill bit) Adjustable wrench M6 expansion bolts (four for each switch) Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 49 3 6 0 m m Step 4 Install M6 expansion bolts on the top wall. Use a hammer drill (with φ8 drill bit) to drill holes in the marked positions. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 50 Align the holes on the top-mounting brackets with the M6 expansion bolts and push the brackets onto the M6 expansion bolts. Fasten the nuts on the M6 expansion bolts. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 51: Connecting The Ground Cable

    ESD wrist strap or ESD gloves Phillips screwdriver Ground cable (one per switch) M4 screw (already installed on the switch ground point) M6 screw (one, purchased separately) Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 52 The ground cable has an M4 lug at one end and an M6 lug at the other end. The M4 lug is the smaller of the two. Figure 5-22 Connecting the ground cable to the switch Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 53 Step 4 Attach the M6 lug of the ground cable to a ground point on the cabinet or rack with an M6 screw. See Figure 5-23. Figure 5-23 Connecting the ground cable to a ground point on the cabinet ----End Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 54: Installing Modules

    The methods for installing different types of power modules in a switch are the same. All the power modules are hot swappable (except the 870 W PoE power module). For the S2700, S3700, S5700, and S6700 switch models that support pluggable power modules, see the Hardware Description.
  • Page 55 Use the Phillips screwdriver to fasten the captive screw on the power module. NOTE This figure shows the installation of an AC power module as an example. The installation of a DC power module is the same. ----End Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 56: Installing A Card

    Step 2 Remove the filler panel from the slot into which the card will be installed. Keep the filler panel for future use. Use a Phillips screwdriver to loosen the captive screw on the filler panel. Holding the captive screw, pull out the filler panel. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 57: Installing An Optical Module

    This section describes how to install an optical module. The method used to install a copper transceiver module is the same, except that the copper transceiver module connects to a network cable instead of optical fibers. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 58 If the optical module cannot be completely inserted into the optical port, do not force it into the port. Turn the optical module 180 degrees and try again. Figure 6-1 Installing an optical module Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 59 Ensure that transceiver modules are fitted with dust plugs when not in use and remove the dust plugs only when you are ready to connect optical fibers. ----End Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 60: Connecting A Switch

    DC power module, which must be connected using DC power cables. DANGER To avoid electric shock, do not connect power cable while the power is on. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 61 W, 580 W, or 1150 W power module, or an RPS1800. Insert the AC power cable plug into the power socket on the switch or AC power module. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 62 DC power module, perform the following steps (150 W DC power module used as an example): Use a Phillips screwdriver to loosen the screw on the DC terminal protective cover, and then remove the protective cover. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 63 Ensure the correct polarity of connected cables. If you use DC power cables delivered from Huawei, connect the -48 V return ground cable (black) to the RTN(+) terminal, and connect -48 V power cable (blue) to the NEG(-) terminal.

  • Page 64: Connecting Ethernet Cables

    Category 5 unshielded twisted pairs can be used. l When a switch with 48 electrical ports is installed in a 600 mm deep cabinet, only Category 5 unshielded twisted pairs can be used. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 65 In a 600 mm deep cabinet, the Ethernet cables used on its electrical ports, the optical fibers used on the rear card, and the distances between the switch panels and cabinet doors must meet the requirements described in Table 7-2. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 66 30 ms. Tools and Accessories ESD wrist strap or ESD gloves Cable tie gun Cable ties Marker Network cable labels Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 67 Spacing Between Cable Ties < 10 mm (0.39 in.) 150 mm (5.91 in.) 10-30 mm (0.39-1.18 ft.) 200 mm (7.87 in.) > 30 mm (1.18 ft.) 300 mm (11.81 in.) Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 68: Connecting Optical Fibers

    20 times larger than its diameter. Generally, the bend radius of optical fibers should be no less than 40 mm (1.57 in.). Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 69 NOTE Connect the receive and transmit ends of a fiber connector to the receive and transmit bores of the optical module. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 70: Connecting Copper Cables

    Step 7 Arrange the optical fibers to make them parallel and bundle them with fiber binding tape at a spacing of 150-300 mm (5.9-11.8 in.). Step 8 Replace all the temporary labels on the optical fibers with permanent labels. ----End 7.4 Connecting Copper Cables Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 71 When you hear a click, the copper cable is securely connected. See Figure 7-5. After connecting copper cables, verify that they are all correctly connected. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 72: Connecting Stack Cables

    150-300 mm (5.9-11.8 in.). Use a cable tie gun to cut off redundant cable ties. Step 7 Replace all the temporary labels on the copper cables with permanent labels. ----End 7.5 Connecting Stack Cables Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 73 Hardware Installation and Maintenance Guide 7 Connecting a Switch Some models of the S2700, S3700, S5700, and S6700 series switches can set up a stack using service ports or stack cards. Stack card connection: Member switches are connected using dedicated stack cards and stack cables.

  • Page 74: Post-Installation Checks

    The power cables and ground cable are routed in Observe compliance with the associated engineering design document and meet the power distribution requirements. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 75 No signal cables are routed near the heat vents on the Observe cabinet. Cables in the cabinet do not cross each other and cables Observe outside the cabinet are bundled. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 76: Optional) Installing An Rps1800

    Align the mounting brackets on the left and right mounting rails. If they are not on a horizontal line, forcibly mounting the RPS1800 may distort the chassis. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 77: Installing A Power Module In The Rps1800

    Hold the upper edge of the filler panel and pull the filler panel downward to remove it. Do not pull the filler panel horizontally. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 78 Insert the power module into the slot and push the handle inward. R 48 15 G Slide to right the white button. R 48 15 G NOTE To remove the power module, reverse this procedure. ----End Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 79: Connecting The Rps1800 To A Switch

    Insert one end of the RPS cable into an output port on the RPS1800 according to the networking plan. Ensure that the top side of the plug (marked "TOP") faces up. Tighten the captive screws on the plug. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 80 For details, see 7.1 Connecting Power Cables. Figure 9-4 RPS1800 power cable Step 5 Connect the RPS1800 power cable to an external power supply system. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 81 Figure 9-6 Connecting the RPS1800 and switch to different external power supply systems OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 ~100-240V;50/60Hz;16 A OUTPUT1 -53.5V/15A;12V/12.5A OUTPUT2 -53.5V/15A;12V/12.5A OUTPUT3 -53.5V/15A;12V/12.5A OUTPUT4 -53.5V/15A;12V/12.5A OUTPUT5 -53.5V/15A;12V/12.5A OUTPUT6 -53.5V/15A;12V/12.5A ~100-240V;50/60Hz;7A +12V;10A -53.5V;15A ----End Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 82: Powering On A Switch For The First Time

    Step 3 Connect the DB-9 connector of the console cable to the 9-pin serial port on a maintenance terminal. Then, connect the RJ45 connector of the console cable to the console port on the switch. See Figure 10-1. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 83 To power off the switch, perform the following steps: NOTICE Powering off the switch will interrupt all services on the switch. Exercise caution when you perform this operation. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 84 Turn off the power switch on the switch or power module. Turn off the external power supply system connected to the switch. Check that the switch and all its modules are powered off. (All indicators are off.) Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 85: Maintaining A Switch

    Some switch models provide the JTAG function through edge connectors on the PCB, as shown in Figure 11-1. The JTAG function is used for equipment checks and fault diagnosis during maintenance. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 86: Replacing A Power Module Or Fan Module

    Fan slot 2 Fan slot 1 Power slot 2 Power slot 1 （Sub=8） （Sub=3） （Sub=5） （Sub=4） STATUS STATUS INPUT INPUT OUTPUT OUTPUT 100-240Vac 50-60Hz 7-3.5A 100-240Vac 50-60Hz 7-3.5A Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 87 6.1 Installing a Power Module. Step 6 Connect the power cable to the new power module. For details, see 7.1 Connecting Power Cables. Step 7 Turn on the power module. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 88: Replacing An Optical Module

    Never look directly into an optical module or the ends of optical fibers. Optical modules and connected fibers emit laser radiation that will cause eye damage. NOTICE Use optical modules certified for Huawei switches. Using other optical modules may affect service stability and Huawei can accept no liability for the outcome. NOTICE Ensure that the new optical module has the same center wavelength and complies with the same standards as the old one.
  • Page 89 MPO connector. Figure 11-5 shows the locking clip on an SC/PC connector. The locking clip is released automatically when you pull the SC/PC connector. Figure 11-3 LC/PC connector Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 90 The tab latch is released when you pull it. Figure 11-6 Optical module with a clasp latch Figure 11-7 Optical module with a tab latch Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 91: Replacing A Card

    Step 1 Wear an ESD wrist strap or ESD gloves. When wearing an ESD wrist strap, ensure that it is in close contact with your wrist and grounded properly. Step 2 If the card you want to replace is not hot swappable, power off the switch. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 92: Replacing A Switch

    The chassis is severely damaged or a hardware fault occurs due to external forces. NOTICE Power off the switch before replacing it, which will interrupt services. Tools and Accessories ESD wrist strap or ESD gloves Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 93 Run the display device command to check the running status of the new switch. ----End Follow-up Procedure If the new switch does not work normally, contact the equipment supplier or local maintenance personnel for technical support. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 94: Videos For Parts Replacement

    Module Replacing a FAN-028A-B Fan Module Replacing a FAN-028A-B Fan Module Replacing an ES5D21X04S01 Card Replacing an ES5D21X04S01 Card Replacing an ES5D21X02T01 Card Replacing an ES5D21X02T01 Card Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 95: Hardware Troubleshooting

    12.1 Power Supply Faults 12.2 Optical Module Faults 12.3 Fan Faults 12.1 Power Supply Faults 12.1.1 General Power Supply Troubleshooting Diagnostic Process Figure 12-1 shows the general troubleshooting flowchart. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 96: A Switch Cannot Be Powered On

    Install the power module in another switch, or install another power module in this switch. – If the power module is faulty, send it to Huawei for repair. – If the device is faulty, contact technical support of Huawei or the equipment supplier. 12.1.2 A Switch Cannot Be Powered On...

  • Page 97: Optical Module Faults

    If it is a pluggable power module, replace it with another one. If the switch powers on, the original power module is faulty. If it is a built-in power module, contact technical support of Huawei or the equipment supplier. If the switch still cannot power on, the switch is faulty. Contact technical support of Huawei or the equipment supplier.

  • Page 98: Transmit Power Of An Optical Module Is Low

    If the transmit power remains low, replace the optical module or install it in another optical port to check whether it is faulty. If the optical module is faulty, send it to Huawei for repair or contact Huawei technical support.

  • Page 99: A Fan Module Is Malfunctioning

    If any of the preceding conditions occurs, rectify the fault according to Indicator of a Fan Module Is Steady Red or Blinking Red. If the fault persists, replace the fan module. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 100: Appendix

    Table 13-1 Indicators on an S5700-LI supporting a single power module Indicator Color Description PWR: internal Off: The switch is not powered on. power supply Green Steady on: The power module is supplying indicator power normally. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 101 Off: No power module is detected in slot PWR1, supply indicator or the power module is not working normally and the switch has no other power module to supply power. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 102 Blinking: The switch has restarted after a successful upgrade using a USB flash drive. You can remove the USB flash drive from the switch. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 103 Steady on: The DC power input is in the normal range. Blinking: The output power is out of range, for example, overvoltage, overcurrent, or short circuit occurs. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 104 Off: The AC power input is abnormal (for example, no input, overvoltage, or undervoltage) or AC power output is abnormal (for example, overvoltage, overcurrent, short-circuit, or overtemperature). Steady on: The power module is working properly. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 105 (for example, overvoltage, overcurrent, short-circuit, or overtemperature). l Steady on: The power module is working normally. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 106 Fan Module Indicator Table 13-14 Description of indicators on the CX7E1FANA fan module panel Indicator Color Description STATUS The fan module is not running. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 107 The fan module is not running. running status Green Slow blinking: Fans are working properly. indicator Steady on: The fan module has a hardware fault and needs to be replaced. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 108: Appendix B On-Site Cable Assembly And Installation

    Precautions for Assembly Use dedicated tools or tools delivered by Huawei and follow the methods given here during assembly. Hold terminals of cables instead of pulling the cables themselves when installing or removing cable components.

  • Page 109: Assembling Power Cables

    Step 1 Based on the cross-sectional area of the cable conductor, strip a length of insulation coating C to expose the conductor D of length L1, as shown in Figure 13-2. The recommended values of L1 are listed in Table 13-18. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 110 When you strip a power cable, do not damage the conductor of the cable. l If the bare crimping terminal is not provided by Huawei, the value of L1 is 1 mm (0.04 in.) to 2 mm (0.08 in.) greater than the value of L.
  • Page 111 The shapes of crimped parts may vary with the crimping dies. Figure 13-4 Crimping the joint parts of the bare crimping terminal and the conductor (OT terminal) Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 112 Figure 13-6 Components of a JG terminal and a power cable A. JG terminal B. Heat-shrinkable tubing C. Insulation layer of a power D. Conductor of a power cable cable Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 113 NOTICE l When you strip a power cable, do not damage the conductor of the cable. l If the bare crimping terminal is not provided by Huawei, you can adjust the value of L as required. Figure 13-7 Stripping a power cable (JG terminal)
  • Page 114 Step 5 Push the heat shrink tubing toward the connector until the tube covers the crimped part, and then use a heat gun to heat the tube, as shown in Figure 13-10. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 115 Figure 13-12. The recommended values of L1 are listed in Table 13-20. NOTICE When you strip a power cable, do not damage the conductor of the cable. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 116 13-13. NOTICE After the conductor is fed into the cord end terminal, the protruding part of the conductor must not be longer than 1 mm (0.04 in.). Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 117 0.25 (0.0004) 1 (0.04) 0.5 (0.0008) 1 (0.04) 1.0 (0.0015) 1.5 (0.06) 1.5 (0.0023) 1.5 (0.06) 2.5 (0.0039) 2.4 (0.09) 4 (0.006) 3.1 (0.12) 6 (0.009) 4 (0.16) Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 118: Assembling Ethernet Cables

    E. Jacket of Ethernet cable F. Shield layer of Ethernet G. Twisted-pair wires cable Procedure Step 1 Fit the jacket of the connector onto the Ethernet cable, as shown in Figure 13-16. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 119 Figure 13-17 Removing the jacket of a twisted-pair cable (unit: mm (in.)) Step 3 Fit the metal shell onto the twisted-pair cable. The shield layer is covered by the metal shell, as shown in Figure 13-18. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 120 Step 5 Lead the four pairs of twisted-pair wires through the wire holder, as shown in Figure 13-20 Figure 13-21. Ensure that the colored wires are in the correct location in the cable. Figure 13-20 Leading wires through the wire holder Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 121 Figure 13-22 Four pairs of cables on a wire holder Figure 13-23 Connections between wires and pins White-Orange Orange White-Green Blue White-Blue Green White -Brown Brown Pin 8 Pin 1 Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 122 Step 8 Put the connector body onto the wire holder and turn the metal shell by 90°, as shown in Figure 13-25. NOTE Ensure that the wire holder is in good contact with the connector body. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 123 Step 10 Push the jacket towards the metal shell until the metal shell is covered. This completes the assembly of one end of the cable, as shown in Figure 13-27. Figure 13-27 Pushing the metal shell Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 124 Step 2 Align the four pairs of wires and cut the ends neatly, as shown in Figure 13-30. The connections between the wires and the pins are listed in Table 13-23. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 125 When inserting the cable, check from the side or bore of the plug to ensure that the cable is completely seated in the plug. Figure 13-31 Crimping the connector Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 126 Figure 13-32 shows an unqualified piece, and Figure 13-33 shows a qualified piece. NOTE All unqualified pieces must be crimped again. Figure 13-32 Contact strips of different heights Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 127 Step 4 Check whether the contact strips and the plastic separators are well aligned and intact. If a separator is skewed and cannot be fixed, replace it with a new RJ45 connector. Figure 13-36 shows an unqualified piece. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 128 Testing the Connection of Assembled Cables Context Huawei provides two types of Ethernet cables: straight-through cables and crossover cables. Straight-through cables are connected in a one-to-one manner. They are used to connect terminals such as a computer or switch to network devices.
  • Page 129 Green Twisted Green-White Blue Twisted Blue-White Brown Twisted Brown-White Figure 13-38 shows the pins of an RJ45 connector. Figure 13-38 Pins of an RJ45 connector Pin8 Pin1 Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 130 Ethernet ports, as shown in Figure 13-40. Figure 13-40 Checking the reliability Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 131: Installing Cable Accessories

    For example, in this document, the adapters of cable connectors have separate interfaces. In the actual situation, the adapters may have interfaces fixed on equipment. Use dedicated tools provided or specified by Huawei and follow the installation procedure described here.
  • Page 132 Sharp objects must not touch cable wiring to prevent damage to cables. To protect power cables, route power cables of the active and standby power modules separately. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 133 Figure 13-43 Installing an OT terminal, showing the orientation of crimping sleeve Place the spring washer and flat washer in turn, mount a matching screw, and fasten it clockwise, as shown in Figure 13-44. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 134 – Bend the upper OT terminal at a 45- or 90-degree angle, as shown in Figure 13-46. – Cross the two terminals, as shown in Figure 13-47. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 135 Step 1 Hold a cord end terminal upright and place it on a terminal jack, as shown in Figure 13-48. To ensure bump contact and dense connection, place the plain side of the terminal outwards. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 136 Step 3 Move the cable slightly and ensure that it is securely connected. Step 4 Before you remove a cord end terminal, loosen the screw counterclockwise. ----End Installing Ethernet Adapters Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 137 Pull the connector slightly and ensure that it is securely connected, as shown in Figure 13-52. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 138 Installing an Unshielded Ethernet Connector Procedure Step 1 Hold the male and female connectors, with the male connector facing the female connector, as shown in Figure 13-54. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 139 Step 3 A crisp click indicates that the connector is locked by the locking key. Pull the connector slightly and ensure that it is securely connected. Figure 13-56 shows an installed Ethernet connector. Figure 13-56 Installed unshielded Ethernet connector Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 140 Step 2 Clean the pins again by using dust-free cotton. If necessary, clean the pins by using an air gun. Ensure that the pins are free from any fiber or debris. ----End Installing an FC Fiber Connector Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 141 Figure 13-59 Feeding the male connector into the female connector Step 4 Fasten the locking nut clockwise and ensure that the connector is securely installed, as shown Figure 13-60. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 142 Step 1 Remove the dustproof cap of the LC fiber connector and store it for future use. Step 2 Align the core pin of the male connector with that of the female connector, as shown in Figure 13-62. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 143 Figure 13-63 Feeding the male connector into the female connector Step 4 A clicking sound indicates that the male connector is locked, as shown in Figure 13-64. Figure 13-64 Installed LC connector Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 144 (not the pigtail). When you hear a click, the fiber connector is secured by the clips (internal parts, not illustrated in the figure). Pull the fiber connector gently. If the connector does not loosen, the installation is complete. See Figure 13-67. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 145 Step 1 Remove the dustproof cap of the MPO fiber connector and store it for future use. Step 2 Align the core pin of the male connector with that of the female connector, as shown in Figure 13-69. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 146 Figure 13-70 Installed MPO fiber connector Step 4 To disassemble an MPO fiber connector, hold the shell labeled "PULL" and remove the male connector, as shown in Figure 13-71. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 147: Replacing The Mold Of The Crimping Tool

    Step 2 Hold the handles of the COAX crimping tools to open the self-locking mechanism. The jaw of the COAX crimping tools opens automatically, as shown in Figure 13-73. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 148 Figure 13-74 Removing the mold from the COAX crimping tools Step 4 Place the mold to be installed into the jaw of the COAX crimping tools and align the screw holes, as shown in Figure 13-75. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 149 Step 6 Hold the handles of the COAX crimping tools with one hand. Tighten the two fastening screws clockwise. Figure 13-77 Figure 13-78shows the mold installed in the COAX crimping tool. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 150: Appendix C Environmental Requirements For Device Operation

    The equipment room should also follow local regulations concerning the industrial construction, environmental protection, fire safety, Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 151 Do not use decorative materials that contain sulfur in the equipment room. Equipment Room Layout An equipment room usually contains mobile switching equipment, telecommunications equipment, power supply equipment, and other auxiliary equipment. To ensure easy Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 152 1.0 x 107 ohms to 1.0 x 1010 ohms. Ground this floor material or raised floor. You can connect them to ground using a one megohm current-limiting resistor and connection line. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 153 Other Avoid the proliferation of mildew, and keep out rodents (like mice). requirements Figure 13-80 Internal partition wall inside the equipment room Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 154 13-29 lists the requirements for the corrosive gas concentration. Table 13-29 Requirements for corrosive gas concentration Chemical active material Unit Concentration ≤0.30 mg/m ≤0.10 mg/m ≤0.50 mg/m Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 155 Do not use the working ground of the equipment as the same ground for surge protection. Separate them as far as possible. Keep the equipment far away from high-power radio transmitters, radar units, and high- frequency and high-current equipment. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 156 The cable tray, rack or shell, metal ventilation pipe, metal door or window of the equipment should be grounded for protection. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 157: Requirements For Power Supply

    In addition to meeting the requirements of the server load, the AC power supply must have a simple connection line, safe operation, flexible scheduling, and easy maintenance. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 158 A UPS or inverter power supply system is required to provide uninterrupted AC power to support the telecommunication load. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 159 The recovery time is less than 200 ms. The overshoot is in the range of response the integral value of the DC output voltage ±5%. Recommendations for DC Power Supply The following are recommendations for the DC power supply. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 160: Appendix D Equipment Grounding Specifications

    The grounding resistance of an ordinary communication office should be less than five ohms. The grounding resistance in an area where the earth resistance rate is high should be less than 10 ohms. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 161: Grounding Specifications For Devices

    Connect the two ends of the short-circuiting cable to the ground busbar terminals of neighboring cabinets and fix them firmly. 13.4.4 Grounding Specifications for Communications Power Supply Table 13-35 shows the grounding specifications for communication power supplies. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 162: Grounding Specifications For Signal Cables

    The MDF should use the same grounding conductor as the cabinet. Do not route signal cables overhead. 13.4.6 Specifications for Laying Out Grounding Cables Table 13-37 shows the specifications for the ground cable. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 163: Appendix E Engineering Labels For Cables

    Color: chalk white Material: polyester (PET) Ambient temperature: -29°C (-20.2°F) to +149°C (300.2°F) Printed by a laser printer and written with a marker Pass UL and CSA authentication Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 164 The identification plate has an embossed area 0.2 mm x 0.6 mm (0.008 in. x 0.02 in.) around (symmetric on both sides), and the area in the middle is for affixing the label, as shown in Figure 13-82. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 165 Template for Printing You can obtain a template from the Huawei local office to print labels. The template is made in Microsoft Word. Follow these instructions to use the template: You can modify the contents of the template. Do not change settings of centered characters, direction, and fonts.
  • Page 166 After the page setup has been made correctly, save it for future use. This page setup is only necessary the first time you use the template to print the labels. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 167 Table 13-38 Standard typeface for handwriting Determine the size of characters based on the number of letters or digits and ensure that the characters are distinct and tidy. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 168 – The identification card should be downward when you lay out the cable horizontally. Figure 13-85 Text area of the label Procedure for attaching labels Figure 13-86 shows the methods and procedures for attaching labels. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 169 Cable The identification card is on the The identification card is to top of the cable in horizontal the right of the cable in cabling. vertical cabling. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 170 The positions of "up", "down", "left" or "right" are all based on the viewpoint of the engineering person who is working on the label. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 171: Engineering Labels For Optical Fibers

    Example of the Label Figure 13-89 shows a sample label on an optical fiber. Figure 13-89 Sample label on an optical fiber between two devices Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 172 01 to 99. For example, G01 is the ODF of row G and column B: row number Range from 01 to 99, for example, 01-01. of the terminal device Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 173: Engineering Labels For Network Cables

    You can also decide the label content based on the actual environment. If the device is not installed in the cabinet, for example, you can remove the cabinet number. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 174 The serial number on the hub, the network interface number of the agent or terminal, and the location of the standalone device should be specified according to actual connections. Label Example Figure 13-91 shows a sample label on an Ethernet cable. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 175: Engineering Labels For User Cables

    01 to 99. For example, G01 is the MDF of Row G and Column B: row number of Ranges from 01 to 99, for example, 01-01. the terminal device Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 176: Engineering Labels For Power Cables

    N: power socket number, numbered as 1 to 3 in the bottom-up and left- BGND to-right orders. On the loaded cabinet side, only MN is used to identify the cabinet. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 177 For example, if the label on the loaded Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 178 Label on the distribution box side (indicating the position of the cable (indicating the position of the cable on the power distribution box) on the loaded cabinet side) Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 179: Appendix F Guide To Using Optical Modules

    After the optical module is inserted, try pulling it out to see if it is installed in position. If the optical module cannot be pulled out, it is secured. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 180 Cover an unused optical module with a protective cap to prevent dust, as shown in Figure 13-97. Figure 13-97 Installing a protective cap If no protective cap is available, use fibers to protect the optical module, as shown in Figure 13-98. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 181 If optical signals are lost during the operation of a device, use the preceding method to clean the receptacle or the optical connector. In this manner, the possibility of contamination can be excluded. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 182: Appendix G Fault Tag

    Category*: □ RMA □ Return □ Analysis Fault Description Product Occurring of the Fault Category Software Code Description Code* Date* Phenomena* No.* Version* Reasons for Repairing (Category No.): Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 183 One Fault Tag should be adapted in one return category, such as RMA/Return/Analysis. l The items marked with "*" are the mandatory fields that you must fill in. Issue 13 (2017-11-20) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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