H3C S6890 Series Installation guide

H3C S6890 Switch Series

Installation Guide

New H3C Technologies Co., Ltd.

http://www.h3c.com

Document version:6W103-20181024

No part of this manual may be reproduced or transmitted in any form or by any means without prior written

consent of New H3C Technologies Co., Ltd.

Trademarks

Except for the trademarks of New H3C Technologies Co., Ltd., any trademarks that may be mentioned in this

document are the property of their respective owners.

Notice

The information in this document is subject to change without notice. All contents in this document, including

statements, information, and recommendations, are believed to be accurate, but they are presented without

warranty of any kind, express or implied. H3C shall not be liable for technical or editorial errors or omissions

contained herein.

Environmental protection

This product has been designed to comply with the environmental protection requirements. The storage, use,

and disposal of this product must meet the applicable national laws and regulations.

Preface

H3C S6890 Switch Series Installation Guide describes the appearance, installation, power-on,

maintenance, and troubleshooting for the H3C S6890 Switch Series.

This preface includes the following topics about the documentation:

• Audience.

• Conventions.

• Documentation feedback.

Audience

This documentation is intended for:

• Network planners.

• Field technical support and servicing engineers.

• Network administrators working with the S6890 switch series.

Conventions

The following information describes the conventions used in the documentation.

Command conventions

Convention Description

Boldface Bold

text represents commands and keywords that you enter literally as shown.

Italic

Italic text represents arguments that you replace with actual values.

[ ] Square brackets enclose syntax choices (keywords or arguments) that are optional.

{ x | y | ... }

Braces enclose a set of required syntax choices separated by vertical bars, from which

you select one.

[ x | y | ... ]

Square brackets enclose a set of optional syntax choices separated by vertical bars,

from which you select one or none.

{ x | y | ... } *

Asterisk marked braces enclose a set of required syntax choices separated by vertical

bars, from which you select a minimum of one.

[ x | y | ... ] *

Asterisk marked square brackets enclose optional syntax choices separated by vertical

bars, from which you select one choice, multiple choices, or none.

&<1-n>

The argument or keyword and argument combination before the ampersand (&) sign

can be entered 1 to n times.

# A line that starts with a pound (#) sign is comments.

GUI conventions

Convention Description

Boldface

Window names, button names, field names, and menu items are in Boldface. For

example, the

New User

window opens; click

OK

.

>

Multi-level menus are separated by angle brackets. For example,

File

>

Create

>

Folder

.

Symbols

Convention Description

WARNING!

An alert that calls attention to important information that if not understood or followed

can result in personal injury.

CAUTION:

An alert that calls attention to important information that if not understood or followed

can result in data loss, data corruption, or damage to hardware or software.

IMPORTANT:

An alert that calls attention to essential information.

NOTE:

An alert that contains additional or supplementary information.

TIP:

An alert that provides helpful information.

Network topology icons

Convention Description

Represents a generic network device, such as a router, switch, or firewall.

Represents a routing-capable device, such as a router or Layer 3 switch.

Represents a generic switch, such as a Layer 2 or Layer 3 switch, or a router that

supports Layer 2 forwarding and other Layer 2 features.

Represents an access controller, a unified wired-WLAN module, or the access

controller engine on a unified wired-WLAN switch.

Represents an access point.

Represents a wireless terminator unit.

Represents a wireless terminator.

Represents a mesh access point.

Represents omnidirectional signals.

Represents directional signals.

Represents a security product, such as a firewall, UTM, multiservice security

gateway, or load balancing device.

Represents a security module, such as a firewall, load balancing, NetStream, SSL

VPN, IPS, or ACG module.

Examples provided in this document

Examples in this document might use devices that differ from your device in hardware model,

configuration, or software version. It is normal that the port numbers, sample output, screenshots,

and other information in the examples differ from what you have on your device.

T



Documentation feedback

You can e-mail your comments about product documentation to [email protected].

We appreciate your comments.

i

Contents

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

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

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

Temperature/humidity ·········································································································· 1

Cleanliness ························································································································ 2

EMI ·································································································································· 2

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

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

Installing the switch ·········································································· 4

Installing the switch in a 19-inch rack ····························································································· 5

Installation accessories ········································································································· 5

Rack-mounting procedures at a glance ···················································································· 6

Rack-mounting requirements ································································································· 6

Mounting brackets and grounding cable installation positions ························································ 7

Attaching the mounting brackets and chassis rails to the chassis ··················································· 7

Connecting the grounding cable to the chassis ·········································································· 8

Attaching the slide rails to the rack ·························································································· 9

Mounting the switch in the rack ···························································································· 10

Grounding the switch ················································································································ 11

Installing/removing fan trays ······································································································· 12

Installing a fan tray ············································································································ 12

Removing a fan tray ··········································································································· 13

Installing/removing power modules ······························································································ 14

Installing a power module ···································································································· 14

Removing a power module ·································································································· 15

Connecting the power cords ······································································································· 17

Connecting an AC power cord ······························································································ 17

Connecting a DC power cord ······························································································· 17

Verifying the installation ············································································································· 18

Accessing the switch for the first time ················································· 19

Setting up the configuration environment ······················································································ 19

Connecting the console cable ····································································································· 19

Connecting the mini USB console cable ························································································ 20

Setting terminal parameters ······································································································· 22

Starting the switch ···················································································································· 22

Setting up an IRF fabric ··································································· 24

IRF fabric setup flowchart ·········································································································· 24

Planning IRF fabric setup ··········································································································· 25

Planning IRF fabric size and the installation site ······································································· 25

Identifying the master switch and planning IRF member IDs ······················································· 25

Planning IRF topology and connections·················································································· 25

Identifying physical IRF ports on the member switches ······························································ 27

Planning the cabling scheme ······························································································· 27

Configuring basic IRF settings ···································································································· 28

Connecting the physical IRF ports ······························································································· 28

Accessing the IRF fabric to verify the configuration ········································································· 29

Maintenance and troubleshooting ······················································ 30

Power module failure ················································································································ 30

Symptom ························································································································· 30

Solution ··························································································································· 30

Fan tray failure ························································································································ 30

Symptom ························································································································· 30

Solution ··························································································································· 30

ii

Configuration terminal display problems ························································································ 30

No display ························································································································ 30

Garbled display ················································································································· 31

Appendix A Chassis views and technical specifications ·························· 32

Chassis views ························································································································· 32

S6890-54HF ····················································································································· 32

S6890-30HF ····················································································································· 33

Technical specifications ············································································································· 34

Appendix B FRUs ··········································································· 36

Power modules ······················································································································· 36

Fan trays ································································································································ 37

Appendix C Ports and LEDs ····························································· 38

Ports ····································································································································· 38

Console port ····················································································································· 38

Management Ethernet port ·································································································· 38

USB port ························································································································· 39

SFP+ port ························································································································ 39

QSFP28 port ···················································································································· 41

LEDs ····································································································································· 43

System status LED ············································································································ 43

QSFP28 port LED ············································································································· 43

SFP+ port LED ················································································································· 44

Management Ethernet port LED ··························································································· 44

Fan tray alarm LED ············································································································ 45

Appendix D Cooling system ······························································ 46

Index ··························································································· 47

1

Preparing for installation

The H3C S6890 Switch Series includes the following models:

• S6890-54HF

• S6890-30HF

Safety recommendations

To avoid any equipment damage or bodily injury caused by incorrect use, read the following safety

recommendations before installation. Note that the recommendations do not cover every possible

hazardous condition.

• Before cleaning the switch, remove all power cords from the switch. Do not clean the switch

with wet cloth or liquid.

• Do not place the switch near water or in a damp environment. Prevent water or moisture from

entering the chassis.

• Do not place the switch on an unstable case or desk. The switch might be severely damaged in

case of a fall.

• Ensure good ventilation in the equipment room and make sure the air inlet and outlet vents of

the switch are not blocked.

• Make sure the input voltage for the power module is in the required range.

• To avoid electrical shocks, do not open the chassis while the switch is operating or when the

switch is just powered off.

• When replacing field replaceable units (FRUs), including power modules and fan trays, wear an

ESD wrist strap to avoid damaging the units.

Examining the installation site

The switch must be used indoors.

Make sure the installation site meets the following requirements:

• Adequate clearance is reserved at the air inlet and outlet vents for ventilation.

• The rack has a good ventilation system.

• Identify the hot aisle and cold aisle at the installation site, and make sure ambient air flows into

the switch from the cold aisle and exhausts to the hot aisle.

• Identify the airflow designs of neighboring devices, and prevent hot air flowing out of the

neighboring devices from entering the top device.

• The rack is sturdy enough to support the switch and its accessories.

• The rack is reliably grounded.

To ensure correct operation and long service life of your switch, install it in an environment that meets

the requirements described in the following subsections.

Temperature/humidity

Maintain the temperature and humidity in the equipment room in the acceptable range.

• Lasting high relative humidity can cause poor insulation, electricity leakage, mechanical

property change of materials, and metal corrosion.

2

• Lasting low relative humidity can cause washer contraction and ESD and cause problems

including loose mounting screws and circuit failure.

• High temperature can accelerate the aging of insulation materials and significantly lower the

reliability and lifespan of the switch.

For the temperature and humidity requirements for the switch, see "Technical specifications."

Cleanliness

Dust buildup on the chassis might result in electrostatic adsorption, which causes poor contact of

metal components and contact points, especially when indoor relative humidity is low. In the worst

case, electrostatic adsorption can cause communication failure.

Table 1 Dust concentration limit in the equipment room

Substance Concentration limit (particles/m³)

Dust

≤ 3 x 10

4

(no visible dust on the tabletop over three days)

NOTE:

Dust diameter ≥ 5 μm

The equipment room must also meet limits on salts, acids, and sulfides to eliminate corrosion and

premature aging of components, as shown in Table 2.

Table 2

Harmful gas limits in the equipment room

Gas Maximum concentration (mg/m

3

)

SO

2

0.2

H

2

S 0.006

NH

3

0.05

Cl

2

0.01

EMI

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.

• Common impedance (including the grounding system) coupling.

To prevent EMI, use the following guidelines:

• If AC power is used, use a single-phase three-wire power receptacle with protection earth (PE)

to filter interference from the power grid.

• Keep the switch far away from radio transmitting stations, radar stations, and high-frequency

devices.

• Use electromagnetic shielding, for example, shielded interface cables, when necessary.

• To prevent signal ports from getting damaged by overvoltage or overcurrent caused by lightning

strikes, route interface cables only indoors.

3

Laser safety

WARNING!

• The switch is a Class 1 laser device.

• Do not stare into any disconnected fiber port or optical fiber. The laser light emitted from the fibe

r

port or optical fiber might hurt your eyes.

Installation tools

No installation tools are provided with the switch. Prepare the following tools yourself:

• Phillips screwdriver.

• ESD wrist strap.

• Marker.

4

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.

Figure 1 Hardware installation flow

5

Installing the switch in a 19-inch rack

Installation accessories

Table 3 Installation accessories

Switch

model

Mounting brackets

(provided)

Slide rails and chassis rails

S6890-54HF

S6890-30HF

1U high, one pair. See Figure 2.

•

1U high, one pair of long slide rails and one pair of

chassis rails (provided). See Figure 4.

•

1U high, one pair of short slide rails and one pair

of chassis rails (optional). See Figure 3.

Figure 2 Mounting brackets provided with the switch

Figure 3 1U short slide rail and chassis rail

(1) Chassis rail (2) Short slide rail

Figure 4 1U long slide rail and chassis rail

(1) Chassis rail (2) Long slide rail

1 2

6

Rack-mounting procedures at a glance

Figure 5 Rack-mounting procedure

NOTE:

If a rack shelf is available, you can put the switch on the rack shelf and slide the switch to a position

so that the mounting brackets make close contact with the front rack posts. Then use screws to

secure the mounting brackets to the rack.

Rack-mounting requirements

Figure 6 Chassis width (mounting brackets installed at the port side)

(1) Power module handle (2) Mounting bracket

Follow these guidelines when you install the switch in a 19-inch rack:

• The distance between the front and rear posts of the rack must meet the requirements

described in Table 4.

• As a be

st practice, make sure the rack has a minimum depth of 800 mm (31.50 in) so that the

rack door can be closed easily. The distance between the front rack posts and the front and rear

doors must meet the requirements described in Table 5.

• T

o secure the switch to the rack, you must install not only mounting brackets, but also chassis

rails and slide rails.

Table 4 Distance requirements between the front and rear rack posts

Switch

model

Installation method

Min. distance

between the front

and rear rack posts

Max. distance

between the front

and rear rack posts

S6890-54HF

S6890-30HF

Using the mounting brackets and

long slide rails (provided)

621 mm (24.45 in) 854 mm (33.62 in)

Using the mounting brackets and

short slide rails (optional)

401 mm (15.79 in) 634 mm (24.96 in)

Table 5 Distance requirements between the front rack posts and the front and rear doors

Mounting bracket

position

Min. distance between the front

rack ports and the front door

Min. distance between the front

rack posts and the rear door

Port side 130 mm (5.12 in) 540 mm (21.26 in)

Power module side 80 mm (3.15 in) 590 mm (23.23 in)

7

Mounting brackets and grounding cable installation positions

The switch provides two mounting bracket installation positions on the side panels: one near the

power module side and one near the port side, as shown in Figure 7.

The switch h

as a primary grounding point (with a grounding sign) and an auxiliary grounding point.

See Figure 7.

Determine in

stallation positions for the mounting brackets and grounding cable as required.

Figure 7 Mounting brackets and grounding cable installation positions on the switch

(S6890-54HF)

(1) Mounting bracket installation position near the power module side

(2) Primary grounding point

(3) Auxiliary grounding point

(4) Mounting bracket installation position near the port side

Attaching the mounting brackets and chassis rails to the

chassis

1. Place the wide flange of the mounting bracket against the chassis side panel. Align the

mounting bracket installation holes with the screw holes in the chassis. Use M4 screws

(provided) to attach the mounting bracket to the chassis.

{ To install the mounting brackets at the power module-side mounting position, see Figure 8.

{ To install the mounting brackets at the port-side mounting position, see Figure 9.

2. Determine the chassis rail installation position:

{ If the mounting brackets are installed at the power module-side mounting position, install

the chassis rails near the port side.

{ If the mounting brackets are installed at the network port-side mounting position, install the

chassis rails near the power module side.

3. Place the chassis rail against the chassis side panel. Align the chassis rail installation holes with

the screw holes. Use M4 screws (provided) to attach the chassis rail to the chassis. See Figure

8 and Figure 9.

4. Attach the mounting bra

ckets and chassis rails to the other side of the chassis in the same way.

1 2 3 4

8

Figure 8 Attaching the mounting brackets and chassis rails to the switch (power

module-side mounting position for the mounting brackets) (S6890-54HF)

Figure 9 Attaching the mounting brackets and chassis rails to the switch (network port-side

mounting position for the mounting brackets) (S6890-54HF)

Connecting the grounding cable to the chassis

CAUTION:

The primary grounding point and auxiliary grounding point 1 are located on the left panel of the

chassis. If you use one of these grounding points, you must connect the grounding cable to the

grounding point before you mount the switch in the rack.

The grounding cable and grounding screw that come with the switch are applicable to both the

primary and auxiliary grounding points.

To connect the grounding cable:

1. Choose a grounding point as required.

This example uses the primary grounding point.

2. Unpack the grounding cable and grounding screws.

3. Use two grounding screws to attach the two-hole grounding lug of the grounding cable to the

grounding holes at the grounding point. Use a screwdriver to tighten the screws. See Figure 10.

9

Figure 10 Attaching the grounding cable to the primary grounding point on the switch

(S6890-54HF)

Attaching the slide rails to the rack

The installation procedure is similar for short and long slide rails. The following procedure uses long

slide rails as an example.

To attach the slide rails to the rack:

1. Identify the slide rail installation position in the rack.

2. Install cage nuts (user-supplied) in the mounting holes in the rack posts.

3. Align the screw holes in a slide rail with the cage nuts in a rear rack post, and use screws

(user-supplied) to attach the slide rail to the post, as shown in Figure 11.

4. Rep

eat the preceding steps to attach the other slide rail to the other rear rack post.

Keep the two slide rails at the same height so that the slide rails can slide into the chassis rails.

Figure 11 Installing the slide rails

10

Mounting the switch in the rack

This task requires two people.

To mount the switch in the rack:

1. Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.

2. Verify that the mounting brackets and chassis rails have been securely attached to the switch

chassis.

3. Verify that the slide rails have been correctly attached to the rear rack posts.

4. Attach cage nuts (user-supplied) to the front rack posts and make sure they are at the same

level as the slide rails.

5. One person performs the following tasks:

a. Supporting the bottom of the switch, aligns the chassis rails with the slide rails on the rack

posts.

b. Pushes the switch slowly to slide the chassis rails along the slide rails until the mounting

brackets are flush with the rack posts.

6. Another person uses screws (user-supplied) to attach the mounting brackets to the rack.

To secure the switch in the rack, make sure the front ends of the slide rails reach out of the

chassis rails.

Figure 12 Mounting the switch in the rack (Power module-side mounting position for the

mounting brackets) (S6890-54HF)

11

Figure 13 Mounting the switch in the rack (Port-side mounting position for the mounting

brackets) (S6890-54HF)

Grounding the switch

CAUTION:

• Correctly connecting the grounding cable for the switch is crucial to lightning protection and EMI

protection.

• As a best practice to guarantee the grounding effect, connect the grounding cable provided with

the switch to the grounding strip in the equipment room.

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). You must securely connect this

chassis ground to the earth so the faradism and leakage electricity can be safely released to the

earth to minimize EMI susceptibility of the switch.

NOTE:

The power and grounding terminals positions in the figures in this section are for illustration only.

CAUTION:

Connect the grounding cable to the grounding system in the equipment room. Do not connect it to a

fire main or lightning rod.

To connect the grounding cable:

1. Attach the two-hole grounding lug of the grounding cable to a grounding point on the chassis.

For more information, see "Connecting the grounding cable to the chassis."

2. Remove the

hex nut of a grounding post on the grounding strip.

3. Attach the ring terminal of the grounding cable to the grounding post on the grounding strip, and

secure the ring terminal to the grounding post with the hex nut.

12

Figure 14 Connecting the grounding cable to a grounding strip

(1) Hex nut (2) Ring terminal

(3) Grounding post (4) Grounding strip

Installing/removing fan trays

CAUTION:

To ensure good ventilation of the switch, follow these guidelines to install and remove fan trays:

• The switch comes with the fan tray slots empty. Before powering on the switch, make sure all fan

tray slots have fan trays installed and the fan trays are the same model.

• Make sure all slots have a module or filler panel installed when the switch is operating.

• If multiple fan trays fail on an operating switch, do not remove the fan trays at the same time.

Replace the fan trays one after another and finish replacing a fan tray within 3 minutes.

The installation and removal procedures are the same for the LSWM1FANSA and LSWM1FANSAB

fan trays. The following installation and removal procedures use the LSWM1FANSA fan tray as an

example.

Installing a fan tray

CAUTION:

To prevent damage to the fan tray or the connectors in the chassis, insert the fan tray gently. If you

encounter a hard resistance while inserting the fan tray, pull out the fan tray and insert it again.

3

2

1

4

13

IMPORTANT:

Before powering on the switch, make sure the fan tray airflow direction and the preferred airflow

direction of the switch are the same. If they are not the same, the system generates traps and logs.

You can use the fan prefer-direction command to configure the preferred airflow direction for the

switch. By default, the preferred airflow direction of the switch is from the port side to the power

module side. For more information about the fan prefer-direction command, see H3C S6890

Switch Series Fundamentals Command Reference.

Select fan trays for the switch as needed. For the available fan trays and their specifications, see

"Fan trays."

To install a fan tray:

1. Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.

2. Unpack the fan tray and verify that the fan tray model is correct.

3. Orient the fan tray with the "TOP" mark at the top. Grasping the handle of the fan tray with one

hand and supporting the fan tray bottom with the other, slide the fan tray into the slot along the

guide rails until the fan tray is fully seated in the slot and has a firm contact with the backplane.

See Figure 15.

Figure 15

Installing an LSWM1FANSA fan tray in the switch (S6890-54HF)

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.

To remove a fan tray:

1. Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.

2. Grasp the handle of the fan tray with one hand and pull the fan tray part way out of the slot.

Support the fan tray bottom with the other and pull the fan tray completely out of the slot.

3. Put the removed fan tray in an antistatic bag.

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