H3C S9825 Series Manual

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1 Preparing for installation ············································································· 1

Safety recommendations ··································································································································· 1

Examining the installation site ···························································································································· 1

Temperature/humidity ································································································································ 2

Cleanliness ················································································································································· 2

Corrosive gas limit ······································································································································ 2

EMI ····························································································································································· 3

Laser safety ················································································································································ 3

Installation tools ················································································································································· 3

Installation accessories ······································································································································ 3

2 Installing the switch ·················································································· 2-6

Installing the switch in a 19-inch rack·············································································································· 2-7

Rack-mounting procedure at a glance ···································································································· 2-7

Chassis dimensions ································································································································ 2-7

Rack requirements ·································································································································· 2-8

Installation accessories ··························································································································· 2-9

Mounting brackets, chassis rails, and grounding cable installation positions ······································· 2-10

Attaching mounting brackets and chassis rails to the switch ································································ 2-12

Connecting the grounding cable to the switch ······················································································ 2-14

Rack-mounting the switch ····················································································································· 2-16

Grounding the switch ···································································································································· 2-21

Installing/removing fan trays ························································································································· 2-22

Installing a fan tray ································································································································ 2-22

Removing a fan tray ······························································································································ 2-23

Installing and removing power supplies ········································································································ 2-24

Installing a power supply ······················································································································· 2-25

Removing a power supply ····················································································································· 2-26

Connecting power cords ······························································································································· 2-27

Verifying the installation ································································································································ 2-28

3 Accessing the switch for the first time ···················································· 3-29

Connecting the switch to a configuration terminal························································································· 3-29

Connecting the serial console cable ····································································································· 3-29

Setting terminal parameters ·················································································································· 3-30

Powering on the switch ································································································································· 3-30

4 Maintenance and troubleshooting ·························································· 4-32

Power supply failure ······································································································································ 4-32

Symptom ··············································································································································· 4-32

Solution ················································································································································· 4-32

Fan tray failure ·············································································································································· 4-32

Configuration terminal display issues············································································································ 4-32

No output ··············································································································································· 4-32

Garbled output ······································································································································ 4-33

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Summary of Contents for H3C S9825 Series

Page 1: Table Of Contents
Contents 1 Preparing for installation ············································································· 1 Safety recommendations ··································································································································· 1 Examining the installation site ···························································································································· 1 Temperature/humidity ································································································································ 2 Cleanliness ················································································································································· 2 Corrosive gas limit ······································································································································ 2 EMI ····························································································································································· 3 Laser safety ················································································································································ 3 Installation tools ················································································································································· 3 Installation accessories ······································································································································ 3 2 Installing the switch ··················································································...
Page 2: Preparing For Installation
Preparing for installation The H3C S9825 & S9855 switch series include the following models: Series Product model Product code • LS-9825-64D S9825-64D • LS-9825-64D-H1 H3C S9825 and S9855 switch series S9855-48CD8D LS-9855-48CD8D S9855-24B8D LS-9855-24B8D The S9825-64D is a 400G high-density aggregation switch. The S9855-48CD8D is a 100G high-density ToR switch.
Page 3: Temperature/Humidity
• High temperature can accelerate the aging of insulation materials and significantly lower the reliability and lifespan of the switch. For information about the temperature and humidity requirements, see H3C S9825 & S9855 Switch Series Hardware Information and Specifications. Cleanliness Dust buildup on the chassis might cause electrostatic adsorption and dust corrosion, resulting in poor contact of metal connectors and contact points.
Page 4: Emi
Average concentration (mg/m Maximum concentration (mg/m All electromagnetic interference (EMI) sources, from outside or inside of the switch and application system, adversely affect the switch in the following ways: • A conduction pattern of capacitance coupling. • Inductance coupling. • Electromagnetic wave radiation.
Page 5 Applicable switch Part No. Description Quantity models Mounting brackets • S9855-48CD8D 2150A0AN 1 kit, provided • S9855-24B8D 1U rack-mount rail kit (short slide rails) • S9855-48CD8D 2150A05D Provided • S9855-24B8D LSVM1BSR10 bottom support rails Optional S9825-64D • M6 screw and cage nut S9855-48CD8D •...
Page 6 Applicable switch Part No. Description Quantity models QSFP port dust plug • S9855-48CD8D Same number as the • S9825-64D 1499A01G QSFP-DD ports • S9855-24B8D...
Page 7: Installing The Switch
CAUTION: Keep the tamper-proof seal on a mounting screw on the chassis cover intact, and if you want to open the chassis, contact H3C for permission. Otherwise, H3C shall not be liable for any consequence caused thereby. Figure2-1 Installation flow...
Page 8: Installing The Switch In A 19-Inch Rack
Installing the switch in a 19-inch rack Rack-mounting procedure at a glance Figure2-2 Rack-mounting procedure Attach the Select an installation position Attach the slide (Optional.) Attach Connect the Mount the mounting for the mounting brackets rails or bottom the chassis rails grounding cable switch in the brackets to the...
Page 9: Rack Requirements
Figure2-4 S9855-48CD8D/S9855-24B8D switch dimensions with mounting brackets installed at the port side (1) Fan tray handle (2) Mounting bracket Figure2-5 S9855-48CD8D and S9855-24B8D switch dimensions with mounting brackets installed at the power supply side (1) Fan tray handle (2) Mounting bracket Rack requirements To mount the switch in a 19-inch rack, make sure the rack meets the requirements in Table2-1.
Page 10: Installation Accessories
Requirements for the distance Installation Chassis Rack depth Switch model between the method dimensions requirements front and rear rack posts (provided) (17.32 in) (recommended) • • Depth—691 mm A minimum of (27.20 in) 130 mm (5.12 in) between the front 660 mm ...
Page 11: Mounting Brackets, Chassis Rails, And Grounding Cable Installation Positions
Figure2-7 Mounting brackets provided with the S9825-64D switch Figure2-8 1U short slide rails and chassis rails Figure2-9 2U bottom support rails (1) Front end mark (FRONT) (2) Guide rail (3) Installation hole Mounting brackets, chassis rails, and grounding cable installation positions S9825-64D switches with the LS-9825-64D and LS-9825-64D-H1 product codes have the same mounting bracket and grounding cable installation positions.
Page 12 The S9855-48CD8D and S9855-24B8D switches each provides two grounding points: primary grounding point (with a grounding sign) and auxiliary grounding point, as shown in Figure2-11. Select installation positions for the mounting brackets, chassis rails, and grounding cable as required. Figure2-10 Mounting brackets and grounding cable installation positions on the S9825-64D switch (1) Mounting bracket installation position (2) Grounding point...
Page 13: Attaching Mounting Brackets And Chassis Rails To The Switch
Attaching mounting brackets and chassis rails to the switch IMPORTANT: • The S9855-64D switch uses 2U bottom support rails for rack mounting. You are not required to attach chassis rails to it. • M4 screws are used to attach mounting brackets and chassis rails to the switch. As a best practice, use a torque of 12 kgf-cm (1.18 Nm) to fasten M4 screws.
Page 14 Figure2-12 Attaching the mounting brackets to the S9825-64D switch Figure2-13 Attaching the mounting brackets and chassis rails to the S9855-48CD8D/S9855-24B8D switch (port-side mounting position for the mounting brackets) 2-13...
Page 15: Connecting The Grounding Cable To The Switch
Figure2-14 Attaching the mounting brackets and chassis rails to the S9855-48CD8D/S9855-24B8DF switch (power supply-side mounting position for the mounting brackets) NOTE: The mounting bracket and chassis rail installation procedures are the same for the left and right chassis side panels. Connecting the grounding cable to the switch IMPORTANT: As a best practice, use a torque of 20 kgf-cm (1.96 Nm) to fasten the grounding screws.
Page 16 Figure2-15 Connecting the grounding cable to an S9825-64D switch Connecting the grounding cable for the S9855-48CD8D/S9855-24B8D switch IMPORTANT: After the switch is mounted in the rack, the grounding points on the side panel will not be reachable. Connect the grounding cable to a grounding point before installing the switch in the rack. The S9855-48CD8D and S9855-24B8D switches each provide two grounding points: primary grounding point (with a grounding sign) and auxiliary grounding point on the left side panel.
Page 17: Rack-Mounting The Switch
Figure2-16 Connecting the grounding cable to an S9855-48CD8D/S9855-24B8D switch Rack-mounting the switch Attaching slide rails or bottom support rails to the rack IMPORTANT: M6 screws and cage nuts are used to attach slide rails or bottom support rails to the rack. Prepare M6 screws and cage nuts yourself.
Page 18 Figure2-17 Installing the 1U slide rails 2-17...
Page 19 Figure2-18 Installing the bottom support rails Mounting the switch in the rack Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded. Verify that the mounting brackets and chassis rails have been securely attached to the switch chassis.
Page 20 Figure2-19 Mounting an S9825-64D switch in the rack Figure2-20 Mounting an S9855-48CD8D switch in the rack (mounting brackets installed at the port side) 2-19...
Page 21 Figure2-21 Mounting an S9855-24B8D switch in the rack (mounting brackets installed at the port side) Figure2-22 Mounting an S9855-48CD8D/S9855-24B8D switch in the rack (mounting brackets installed at the power supply side) 2-20...
Page 22: Grounding The Switch
• To protect the switch from lighting strikes, see H3C Network Devices Lighting Protection Guide. The power input end of the switch has a noise filter, whose central ground is directly connected to the chassis to form the chassis ground (commonly known as PGND).
Page 23: Installing/Removing Fan Trays
Replace the fan trays one after another and finish replacing a fan tray within 3 minutes. Select fan trays compatible with the switch. For the optional fan trays and their specifications, see H3C S9825 & S9855 Switch Series Hardware Information and Specifications. Installing a fan tray CAUTION: To prevent damage to the fan tray or the connectors on the backplane, insert the fan tray gently.
Page 24: Removing A Fan Tray
Figure2-25 Installing a FAN-80B-1-B fan tray on an S9825-64D switch Removing a fan tray WARNING! • Ensure electricity safety and never touch the rotating fans when you hot-swap a fan tray. • To prevent a fan from causing loud noise, do not touch the fan blades and rotation axis, even if the fan is not rotating.
Page 25: Installing And Removing Power Supplies
PSU2, PSU3, and PSU4 each installed with a filler panel. The PSR1600C-12A-B power supply is available for the switch. For the specifications of the PSR1600C-12A-B power supply, see H3C S9825 & S9855 Switch Series Hardware Information and Specifications.
Page 26: Installing A Power Supply
Installing a power supply The power supply installation procedure is the same for the switches. The S9855-48CD8D switch is used as an example in the following figures. To install a power supply: Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded. Remove the filler panel, if any, from the target power supply slot, as shown in Figure2-30.
Page 27: Removing A Power Supply
Figure2-31 Installing a power supply Removing a power supply CAUTION: • When the S9855-48CD8D or S9855-48CD8D switch has two power supplies operating in 1+1 redundancy mode, removing one power supply does not affect the operation of the switch. When the switch has only one power supply present, removing the power supply causes power down of the switch.
Page 28: Connecting Power Cords
Figure2-32 Removing a power supply (1) Use the thumb to press the latch towards the handle (2) Pull the power supply out Connecting power cords WARNING! • Make sure each power cord has a separate circuit breaker. • Before you connect a power cord, make sure the circuit breaker for the power cord is switched off.
Page 29: Verifying The Installation
To prevent signal ports from getting damaged by overvoltage or overcurrent caused by lightning strikes, route interface cables only indoors. IMPORTANT: For information about how to protect the switch from lightning strikes, see H3C Network Devices Lightning Protection Guide. 2-28...
Page 30: Accessing The Switch For The First Time
Accessing the switch for the first time Connecting the switch to a configuration terminal The switch came with a serial console cable. You can use the serial console cable to connect the serial console port on the switch to a configuration terminal. In Figure3-1, the switch is connected to a configuration terminal (PC as an example) from the serial console port.
Page 31: Setting Terminal Parameters
Figure3-2 Serial console cable Table3-1 Console port signaling and pinout RJ-45 Signal DB-9 Signal To connect the serial console port on the switch to a terminal (for example, a PC): Plug the DB-9 female connector of the serial console cable to the serial port on the PC. Connect the RJ-45 connector to the serial console port on the switch.
Page 32 After the startup completes, you can access the CLI to configure the switch. For more information about the configuration commands and CLI, see H3C S9825 & S9855 Switch Series Configuration Guides and H3C S9825 & S9855 Switch Series Command References.
Page 33: Maintenance And Troubleshooting
Power supply failure You can determine whether a power supply is faulty by observing the status LED on the power supply. For more information about the status LED on a power supply, see H3C PSR1600C-12A-B Power Module User Manual. Symptom The status LED on a power supply is not steady green.
Page 34: Garbled Output
Verify that the power system is operating correctly. Verify that the console cable is connected correctly. Verify that the console cable does not have any problems and the terminal settings are correct. If the issue persists, contact H3C Support. Garbled output Symptom The output of the configuration terminal is garbled.

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H3C S9825 Series Manual

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