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Huawei Quidway S3000-EI Series Installation Manual

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Quidway S3000-EI Series Ethernet Switches
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  • Page 1 HUAWEI Quidway S3000-EI Series Ethernet Switches Installation Manual VRP3.10...
  • Page 2 31041073 Huawei Technologies Co., Ltd. provides customers with comprehensive technical support and service. If you purchase the products from the sales agent of Huawei Technologies Co., Ltd., please contact our sales agent. If you purchase the products from Huawei Technologies Co., Ltd. directly, Please feel free to contact our local office, customer care center or company headquarters.
  • Page 3 Copyright © 2003 Huawei Technologies Co., Ltd. All Rights Reserved No part of this manual may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd. Trademarks , HUAWEI, C&C08, EAST8000, HONET,...

  • Page 4: About This Manual

    QoS/ACL, integrated management, 801.x, and system management. Organization Quidway S3000-EI Series Ethernet Switches Installation Manual mainly introduces the hardware features, installation, configuration and maintenance of S3000 EI Series Ethernet Switches. To avoid any possible device damage and personal injury before the installation and during the installation, please read the manual carefully.
  • Page 5 Chapter 4 Powering on Switch for the First Time The chapter introduces the booting process of S3000-EI Series Ethernet Switches, including the power-on booting of the switch and the system initialization. Chapter 5 BootROM and Host Software Loading The chapter introduces several means to upgrade the software of S3000-EI Series Ethernet Switches.
  • Page 6 II. Command conventions Convention Description Boldface The keywords of a command line are in Boldface. italic Command arguments are in italic. Items (keywords or arguments) in square brackets [ ] are optional. Alternative items are grouped in braces and separated by vertical bars. { x | y | ...
  • Page 7 Action Description Double Click Press the left button twice continuously and quickly. Drag Press and hold the left button and drag it to a certain position. VI. Symbols Eye-catching symbols are also used in the manual to highlight the points worthy of special attention during the operation.

  • Page 8: Table Of Contents

    Installation Manual Quidway S3000-EI Series Ethernet Switches Table of Contents Table of Contents Chapter 1 Product Introduction ....................1-1 1.1 Overview ..........................1-1 1.2 S3026G/S3026G-DC Ethernet Switches................1-2 1.2.1 Front Panel......................1-2 1.2.2 Rear Panel ......................1-4 1.3 S3026C/S3026C-DC Ethernet Switches ................1-5 1.3.1 Front Panel......................
  • Page 9 Installation Manual Quidway S3000-EI Series Ethernet Switches Table of Contents 3.3.2 Connection of Console Cable ................. 3-8 3.4 Connection of AUX Cable....................3-8 3.4.1 AUX Cable....................... 3-8 3.4.2 Connection of AUX Cable ..................3-9 3.5 Installation of the Optional Interface Modules ..............3-9 3.5.1 Installation of the Optional Interface Modules............
  • Page 10 Installation Manual Quidway S3000-EI Series Ethernet Switches Table of Contents 7.4.1 Module Panel and the Indicators................7-6 7.4.2 Module Interface Cable ................... 7-7 7.5 Stack Module ........................7-7 7.5.1 Module Panel and the Indicators................7-7 7.5.2 Module Interface Cable ................... 7-8 7.6 1-Port 100Base-FX Single Mode/Multi-Mode Module ............

  • Page 11: Chapter 1 Product Introduction

    Chapter 1 Product Introduction Chapter 1 Product Introduction 1.1 Overview Quidway S3000-EI Series Ethernet Switches are developed independently by Huawei Technologies. These Layer-3 wire speed Ethernet switching products have high-performance, high port density, and easy installation method. They can be managed through network.

  • Page 12: S3026G/S3026G-Dc Ethernet Switches

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 1 Product Introduction Note: S3026G and S3026G-DC Switches share similar structures, except for their power sockets. Unless otherwise specified, S3026G is introduced as a representative. For the same reason, S3026C is introduced as a representative of S3026C and S3026C-DC.
  • Page 13 Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 1 Product Introduction II. Front panel indicators The meanings of the indicators on the front panel of S3026G are described in the following table. Table 1-1 S3026G Switch front panel indicators Indicator...

  • Page 14: Rear Panel

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 1 Product Introduction V. GBIC modules Table 1-4 GBIC modules supported by S3026G Central Maximum transmission GBIC modules UI connector Interface cable wavelength distance RJ-45 Category-5 cable 100m 1000Base-T 50/125µm 850nm 550m...

  • Page 15: S3026C/S3026C-Dc Ethernet Switches

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 1 Product Introduction 1.3 S3026C/S3026C-DC Ethernet Switches 1.3.1 Front Panel Note: The layouts of the front panels of S3026C and S3026C-DC Switches are exactly same. This section will introduce the front panel, taking S3026C Switch as an example.

  • Page 16: Rear Panel

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 1 Product Introduction III. Fixed 100M Ethernet port on the front panel Table 1-6 Attribute of the fixed 100M Ethernet port on the front panel of S3026C Switch Attribute Description Connector RJ-45...

  • Page 17: Optional Module

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 1 Product Introduction II. S3026C-DC Switch rear panel Rear panel layouts You can find DC power switch, DC socket, grounding screw, and redundant power socket on the rear panel of S3026C-DC Switch. See the figure below.
  • Page 18 Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 1 Product Introduction Power indicator Power indicator 24 100M electrical port state indicator 24 100M electrical port state indicator Quidway S3000 Series Quidway S3000 Series 100M electrical port state indicator 100M electrical port state indicator...

  • Page 19: Rear Panel

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 1 Product Introduction Table 1-10 Console port attributes Attribute Description Connector RJ-45 Standard of Asynchronous EI_A/TIA-232 interface Baud rate 9600bps (by default) Connect with character terminal Connect with the serial port of a local terminal (which can be a PC) or a remote...

  • Page 20: S3026E Fm&S3026E Fs Ethernet Switches

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 1 Product Introduction power power switch input Redundant power input Grounding screw Figure 1-9 S3026T-DC Switch rear panel DC power input range -60V to -48V DC, tolerance range: ±20% 1.5 S3026E FM&S3026E FS Ethernet Switches 1.5.1 Front Panel...

  • Page 21: Optional Modules Supported By Front Panel

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 1 Product Introduction II. Fixed 100M Ethernet port on the front panel Table 1-12 Attributes of the fixed 100M Ethernet port of S3026E F Switch Attribute S3026E FM S3026E FS Connector Interface number...

  • Page 22: Optional Modules Supported By Rear Panel

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 1 Product Introduction 1000BASE-T 1000BASE-T 1000BASE-T 1000BASE-T GT MODULE GT MODULE GT MODULE GT MODULE 100-240V AC 100-240V AC AC power socket AC power socket Grounding screw Grounding screw Figure 1-11 S3026E FM and S3026E FS Switch rear panel AC power input range 100 to 240V, 50/60Hz AC.

  • Page 23: S3000-Ei Series Specifications

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 1 Product Introduction 1.6 S3000-EI Series Specifications Table 1-14 S3000-EI Series Ethernet Switches system features Item S3026G S3026C S3026T S3026E FM S3026E FS Physical dimensions 436mm * 42mm * 245mm 436mm * 86mm * 390mm...
  • Page 24 Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 1 Product Introduction Item S3026G S3026C S3026T S3026E FM S3026E FS 10Base-T: Category-3/4/5 non-shielded twisted pairs with a maximum transmission distance of 100m. Category-5 shielded twisted pairs with a maximum transmission distance of 100m.

  • Page 25: Chapter 2 Installation Preparation

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 2 Installation Preparation Chapter 2 Installation Preparation 2.1 Precautions To avoid any device impairment and bodily injury because of improper uses, please follow the precautions listed below: Before cleaning the switch, please unplug the switch connector first. Do not clean the switch with wet cloth or with liquid.

  • Page 26: Temperature/Humidity Requirements

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 2 Installation Preparation 2.2.1 Temperature/Humidity Requirements To ensure the normal operation and service life of a switch, users need to maintain the temperature and the humidity of the equipment room at a certain level. If the humidity level in the equipment room is too high for a long time, it will lead to bad insulation of the insulating material or even leakage.

  • Page 27: Anti-Interference Requirements

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 2 Installation Preparation 2.2.3 Anti-interference Requirements A switch in use may be affected by the interference sources outside the system in a way of capacitance coupling, inductance coupling, radiation of electromagnetic wave, common impedance (including the grounding system) or conducting line (power line, signaling line and transmission line etc.).

  • Page 28: Chapter 3 Installation

    Chapter 3 Installation Caution: On a mounting screw of Quidway series switches' chassis, there is an anti-dismantle seal of Huawei Technologies Co., Ltd. The seal must be kept intact before the sales agent performs maintenance on the switch. Users should contact local agent for permission if it is necessary to open the chassis. Otherwise, users will bear responsibility for possible damages.

  • Page 29: Mounting The Switch On A Workbench

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 3 Installation Note: The angle irons are used for fixing rather than bearing. When the switch is mounted in a 19-inch standard rack, it should be borne by rails (fixed on the rack).

  • Page 30: Connecting Dc Power Cord

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 3 Installation Step 3: Check POWER indicator of the switch to see whether it is on. If it is on, it indicates that the power cord is correctly connected. Caution: Before powering on the switch, connect the ground wire.

  • Page 31: Redundant Power Input (Optional)

    To make S3000-EI Series Switches more reliable, we provide redundant power module. The module has a (2.5v/3.3v/12v) DC external interface, which is connected to Huawei RPS (Redundant Power System) through DC power cord. The RPS is an external AC-DC or DC-DC single power switching system.

  • Page 32: Connect Ground Wire

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 3 Installation 3.2.4 Connect Ground Wire Caution: The correct connection of the switch ground wire is the primary guarantee for the lightning protection and anti-interference requirement for a switch. So the ground wire should be connected carefully.
  • Page 33 Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 3 Installation Ethernet Switch Ethernet Switch Ethernet Switch Ethernet Switch Grounding screw Grounding screw Grounding screw Grounding screw Power input Power input Power input Power input Grounding wire Grounding wire Grounding wire...

  • Page 34: Connection Of Console Cable

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 3 Installation Ethernet Switch Ethernet Switch Ethernet Switch Ethernet Switch AC/DC AC/DC AC/DC AC/DC power box power box power box power box -48V strip -48V strip -48V strip -48V strip -48V -48V...

  • Page 35: Connection Of Console Cable

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 3 Installation Table 3-1 Console cable connection RJ-45 Signal Direction DB-25 DB-9 ← ← ← → → → → 3.3.2 Connection of Console Cable When configuring the switch at the terminal, connect the Console cable as described...

  • Page 36: Connection Of Aux Cable

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 3 Installation connector. Users can choose one of them to fit the DB-9 (female) or DB-25 (female) jack on the analog Modem as needed. The following figure illustrates the AUX cable. Enlarged A side Pos.1...

  • Page 37: Removal Of Optional Interface Modules

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 3 Installation Caution: Before performing any of the following operation, please make sure that the switch is powered off to avoid the damage to the components. Step 1: Wear ESD wrist strap and disconnect the power of the switch.

  • Page 38: Post-Installation Checklist

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 3 Installation 3.6 Post-installation Checklist Check that whether the power to be used is consistent with that labeled on the switch. Whether the ground wire is connected. Check whether the Console cable and power cord are correctly connected.

  • Page 39: Chapter 4 Powering On Switch For The First Time

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 4 Powering on Switch for the First Time Chapter 4 Powering on Switch for the First Time 4.1 Establish configuration environment Setting up the configuration environment (the following figure is as reference): Terminal (a PC in this example) is connected to the Console port of the switch through a Console cable.
  • Page 40 Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 4 Powering on Switch for the First Time Click [Start/Program/Accessories/Communications/HyperTerminal] to enter the HyperTerminal window in which click icon to establish a new connection and the system will pop up the connection description interface as shown in the following figure.
  • Page 41 Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 4 Powering on Switch for the First Time Figure 4-3 Setting the serial port to be used in HyperTerminal connection Click <OK> after the serial port is selected and the system will pop up the following interface.
  • Page 42 Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 4 Powering on Switch for the First Time Figure 4-4 Setting serial port parameters Click <OK> when the serial port parameters are set and the system will enter the following interface. Figure 4-5 HyperTerminal...

  • Page 43: Boot Switch

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 4 Powering on Switch for the First Time Select [Properties] in the HyperTerminal dialog box to enter the property window. Click [Settings] in the property setting window as the following figure and select VT100 as the emulation terminal.
  • Page 44 Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 4 Powering on Switch for the First Time Note: The boot display may change according to different switches. The display of S3026C Switch is shown in the following example. starting…. ************************************************ Quidway S3026 BOOTROM, Version 102 ************************************************ Copyright(C) 2000-2002 by HUAWEI TECHNOLOGIES CO.,LTD.
  • Page 45 Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 4 Powering on Switch for the First Time System auto-booting interface is as follow: Auto-booting... Decompress Image......

  • Page 46: Chapter 5 Bootrom And Host Software Loading

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 5 BootROM and Host Software Loading Chapter 5 BootROM and Host Software Loading 5.1 Introduction to Loading Approaches This chapter introduces how to load BootROM and host software for a switch at the local and the remote.

  • Page 47: Boot Menu

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 5 BootROM and Host Software Loading 5.2.1 Boot Menu Take S3026C Switch as an example. After being powered on, the switch runs the BootROM program first and displays the following information on the screen: Starting...

  • Page 48: Loading Software From Console Port Using Xmodem

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 5 BootROM and Host Software Loading Input the correct BootROM password (by default, no password is set on the switch). The system enters the following Boot Menu: Caution: Please remember the BootROM password you have modified when using the switch.
  • Page 49 Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 5 BootROM and Host Software Loading Please set bootrom download protocol parameter: 1. Set TFTP protocol parameter 2. Set FTP protocol parameter 3. Set XMODEM protocol parameter 0. Return to boot menu Step 2: Press <3>...
  • Page 50 Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 5 BootROM and Host Software Loading Figure 5-1 “Properties” dialog box Figure 5-2 “Console Port Configuration” dialog box...
  • Page 51 Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 5 BootROM and Host Software Loading Step 6: Click <Disconnect> to disconnect the HyperTerminal from the switch and then click <Connect> to re-establish the connection, thus validating the baud rate setting. Figure 5-3 <Disconnect> and <Connect>...
  • Page 52 Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 5 BootROM and Host Software Loading Figure 5-5 “Sending File” Interface After completing the loading, the system displays the following information: Loading ...CCCCCCCCCC done! ## Total Size = 0x00055d40 = 351552 Bytes Your baudrate should be set to 9600 bps again! Press enter key when ready.

  • Page 53: Loading Software From Ethernet Port Using Tftp

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 5 BootROM and Host Software Loading Enter your choice(0-3):3 The subsequent steps and those of loading BootROM are the same, except of the prompt messages. 5.2.3 Loading Software from Ethernet Port Using TFTP I.

  • Page 54: Loading Software From Ethernet Port Using Ftp

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 5 BootROM and Host Software Loading Switch IP address ←(This address and the IP address of the PC storing the files to be downloaded must be on the same network segment) Server IP address Step 5: Input the TFTP parameter values and press <Enter>.
  • Page 55 Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 5 BootROM and Host Software Loading Step 3: Run terminal emulation program on the PC connected to the Console port. Start the switch, access Boot Menu, and then enter download protocol menu.

  • Page 56: Remote Software Loading

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 5 BootROM and Host Software Loading The subsequent steps are the same as the steps taken to load the BootROM program, except for the displayed prompt messages. 5.3 Remote Software Loading If your terminal is connected to the switch by a network, you can load BootROM and host software at the remote.

  • Page 57: Remote Loading Using Tftp

    Huawei Technologies Co., Ltd. for help. 5.5 Dealing with Missing of Password Please contact the local agent of Huawei Technologies Co., Ltd. if the BootROM password or user password of the switch is lost.

  • Page 58: Chapter 6 Maintenance And Troubleshooting

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 6 Maintenance and Troubleshooting Chapter 6 Maintenance and Troubleshooting 6.1 Power System Failure You can check whether the power system of the switch fails by viewing the POWER indicator on the front panel. If it is in normal operation, the POWER indicator should stay on.

  • Page 59: Chapter 7 Optional Interface Modules

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 7 Optional Interface Modules Chapter 7 Optional Interface Modules 7.1 1000Base-SX/LX Module Caution: 1) In the case that the optical interface does not connect with an optical connector or the dust-proof cap is removed, it is possible for invisible rays to emit from this optical interface.
  • Page 60 Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 7 Optional Interface Modules Note: ITU recommends to define the optical fiber connector as "Used to connect passive components of two or several optical fibers steadily but not permanently" (pass by the VI research team of CCITT in March, 1992 in Geneva).

  • Page 61: 1000Base-Zx Module

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 7 Optional Interface Modules Table 7-2 Interface attributes of 1000Base-SX/LX module Description Attribute 1000Base-LX module 1000Base-SX module Connector Number of connectors 9/125µm Single Mode optical fiber with 62.5/125µm Multi-mode a maximum transmission distance of optical fiber with a maximum 10km.

  • Page 62: Module Panel And The Indicators

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 7 Optional Interface Modules 7.2.1 Module Panel and the Indicators 1000Base-ZX module panel is illustrated in the following figure. Class 1 Laser Product LINK ACTIVE 1000BASE-ZX GZ MODULE TX RX Figure 7-3 1000Base-ZX module panel...

  • Page 63: Module Panel And The Indicators

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 7 Optional Interface Modules Caution: 1) In the case that the optical interface does not connect with an optical connector or the dust-proof cap is removed, it is possible for invisible rays to emit from this optical interface. Therefore, do not stare at the optical interface.

  • Page 64: 10/100/1000Base-T Module

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 7 Optional Interface Modules Table 7-6 Interface attributes of 1000Base-LX GL module Attribute Description Connector Number of connectors Transmission medium and 9/125µm Single Mode optical fiber with a maximum transmission distance maximum transmission distance of 40km.

  • Page 65: Module Interface Cable

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 7 Optional Interface Modules 7.4.2 Module Interface Cable 10/100/1000Base-T module interface matches RJ-45 connector and is connected with Category-5 cable with a maximum transmission distance of 100m. PIN #8 PIN #8 PIN #1...

  • Page 66: Module Interface Cable

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 7 Optional Interface Modules Link Active STACK MODULE Figure 7-9 Panel of stack module The descriptions of panel indicators are as follows: Table 7-10 Meanings of indicators on stack module panel Indicator...

  • Page 67: 1-Port 100Base-Fx Single Mode/Multi-Mode Module

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 7 Optional Interface Modules Connection of stack cable: Step 1: Plug the stack cable into the stack module interfaces of two switches to be stacked. Step 2: Check the Link indicators on the stack interface modules of the two switches.

  • Page 68: Module Interface Fiber

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 7 Optional Interface Modules 7.6.2 Module Interface Fiber 100Base-FX Single Mode/Multi-mode module interface matches SC connector. Figure 7-12 SC connector Caution: When connecting SC connector, connect TX end at the switch side to the RX end of the peer and connect RX end to the peer TX end.

  • Page 69: 6-Port 10Base-T/100Base-Tx Module

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 7 Optional Interface Modules 7.7 6-Port 10Base-T/100Base-TX Module 7.7.1 Module Panel and the Indicators The panel of 6-port 10Base-T/100Base-TX module is shown in the following figure: Figure 7-13 6-port 10Base-T/100Base-TX module panel...

  • Page 70: Module Interface Fiber

    Installation Manual Quidway S3000-EI Series Ethernet Switches Chapter 7 Optional Interface Modules Figure 7-14 6-port 100Base-FX Single Mode module panel The descriptions of panel indicators are as follows: Table 7-16 Meanings of indicators of 6-port 100Base-FX Single Mode/Multi-mode module on the panel...

  • Page 71: Appendix A Lightning Protection Of The Switch

    Installation Manual Quidway S3000-EI Series Ethernet Switches Appendix A Lightning Protection of the Switch Appendix A Lightning Protection of the Switch A.1 Installation of Lightning Arrester for AC Power (Socket Strip with Lightning Protection) Caution: Lightning arrester will not be shipped with the switch. You should purchase it by yourself if needed.

  • Page 72: Installation Of Lightning Arrester For Network Port

    Installation Manual Quidway S3000-EI Series Ethernet Switches Appendix A Lightning Protection of the Switch Caution: 1) Make sure that the arrester is well grounded before using the lightning arrester for power. 2) After inserting AC power cord plug of switch into the socket of lightning arrester, if the green LED is on and the red LED does not alarm, it means that the lightning arrester of power is running and the function of lightning protection has taken effect.
  • Page 73 Installation Manual Quidway S3000-EI Series Ethernet Switches Appendix A Lightning Protection of the Switch Tilted wire cutter II. Installation procedure Step 1: Tear the protection paper at one side of the double faced adhesive tape apart from the tape, and stick the tape on the surface of the arrester. Tear the protection paper at another side apart from the tape, and stick the arrester onto the chassis of the switch.
  • Page 74 Installation Manual Quidway S3000-EI Series Ethernet Switches Appendix A Lightning Protection of the Switch III. Installation precautions Fully consider the following items in the installation process, otherwise, the performance of the lightning arrester for network port will be affected: Lightning arrester for network port is installed in reverse direction. In practice, the “IN”...

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