H3C SecPath L5030 User manual

H3C SecPath L5030/L5060/L5080/ L5000-
E
Load Balancer
Installation Guide
New H3C Technologies Co., Ltd.
http://www.h3c.com
Document version: 6W103-20221101

Copyright © 2019-2022, New H3C Technologies Co., Ltd. and its licensors
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 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
The installation guide describes the procedure for installing H3C SecPath L5030/L5060/L5080/
L5000-E load balancer. It covers preparing for installation, installing the load balancer, logging in to
the load balancer, hardware replacement, hardware management and maintenance, and
troubleshooting.
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 H3C SecPath L5030/L5060/L5080/ L5000-E load
balancer
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 at least one.
[ x | y | ... ] *
Asterisk marked square brackets enclose optionalsyntaxchoices 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 appears; click OK.

Convention
Description
> 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.
T
T
T
T

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.
Documentation feedback
You can e-mail your comments about product documentation to inf[email protected]om.
We appreciate your comments.

i
Contents
1 Preparing for installation··········································································1-1
Safety recommendations ································································································································1-1
Safety symbols········································································································································1-1
General safety recommendations···········································································································1-1
Electrical safety·······································································································································1-2
Laser safety·············································································································································1-2
Moving safety··········································································································································1-2
Examining the installation site·························································································································1-3
Weight support········································································································································1-3
Temperature and humidity······················································································································1-3
Cleanliness··············································································································································1-3
Cooling system········································································································································1-4
ESD prevention·······································································································································1-5
EMI··························································································································································1-5
Lightning protection·································································································································1-5
Power supply···········································································································································1-5
Installation tools ··············································································································································1-6
Installation accessories···································································································································1-6
Pre-installation checklist··································································································································1-6
2 Installing the device·················································································2-1
Installation flow················································································································································2-1
Grounding the device······································································································································2-1
Installing the device in a standard 19-inch rack······························································································2-2
Grounding the device······································································································································2-4
Installing a power module ·······························································································································2-5
Installing a fan tray··········································································································································2-6
Installing an interface module ·························································································································2-7
Installing a hard disk ·······································································································································2-8
Connecting Ethernet cables····························································································································2-9
Connecting a copper Ethernet port·········································································································2-9
Connecting a fiber port····························································································································2-9
Connecting the power cord···························································································································2-11
Connecting the AC power cord·············································································································2-11
Connecting the DC power cord·············································································································2-12
Verifying the installation································································································································2-13
3 Accessing the device for the first time······················································3-1
Setting up the configuration environment ·······································································································3-1
Powering on the device···································································································································3-1
Checking before power-on······················································································································3-1
Powering on the device···························································································································3-1
Checking after power-on·························································································································3-1
Logging in to the device··································································································································3-2
Logging in from the console port·············································································································3-2
Logging in from the Web interface··········································································································3-3
Logging in through Telnet ·······················································································································3-3
4 Hardware replacement·············································································4-1
Replacing a fan tray········································································································································4-1
Replacing a power module······························································································································4-1
Replacing the interface module ······················································································································4-2
Replacing a hard disk······································································································································4-3
Replacing a transceiver module······················································································································4-4
5 Hardware management and maintenance···············································5-1
Displaying detailed information about the device····························································································5-1

ii
Displaying the software and hardware version information for the device······················································5-1
Displaying the electrical label information for the device ················································································5-2
Displaying the CPU usage of the device·········································································································5-2
Displaying the memory usage of the device ···································································································5-3
Displaying the operational status of power modules·······················································································5-4
Displaying the temperature information of the device·····················································································5-4
Displaying the operational statistics of the device ··························································································5-5
Displaying transceiver module information ·····································································································5-5
Rebooting the device ······································································································································5-6
6 Troubleshooting·······················································································6-1
Power module failure ······································································································································6-1
Configuration terminal display issue ···············································································································6-1
Password loss·················································································································································6-2
High operating temperature ····························································································································6-2
Software loading failure···································································································································6-2
7 Appendix A Chassis views and technical specifications··························7-1
Chassis views·················································································································································7-1
Front panel··············································································································································7-1
Rear panel···············································································································································7-1
Interface numbering································································································································7-2
Interface modules············································································································································7-2
NSQM1TG8A··········································································································································7-2
NSQM1QG2A ·········································································································································7-3
NSQM1G4XS4········································································································································7-3
NSQM1GT8A··········································································································································7-4
NSQM1GP8A··········································································································································7-4
NSQM1GT4PFCA···································································································································7-4
Power modules ···············································································································································7-5
AC power module····································································································································7-5
DC power module ···································································································································7-5
Technical specifications··································································································································7-6
Dimensions and weights·························································································································7-6
Memory and storage media ····················································································································7-6
Power consumption·································································································································7-6
Power module specifications···················································································································7-7
Port specifications···································································································································7-7
8 Appendix B LEDs····················································································8-1
Front panel and rear panel LEDs····················································································································8-1
Interface module LEDs····································································································································8-1
9 Appendix C Cables··················································································9-1
Console cable ·················································································································································9-1
Ethernet twisted pair cable······························································································································9-1
Introduction ·············································································································································9-1
Making an Ethernet twisted pair cable····································································································9-4
Optical fiber·····················································································································································9-5

1-1
1 Preparing for installation
Safety recommendations
To avoid any equipment damage or bodily injury, read the following safety recommendations before
installation. Note that the recommendations do not cover every possible hazardous condition.
Safety symbols
When reading this document, note the following symbols:
WARNING means an alert that calls attention to important information that if not understood or
followed can result in personal injury.
CAUTION means 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.
General safety recommendations
•
Make sure the installation location is flat, vibration-free, and away from electromagnetic
interferences. ESD and anti-slip measures are in place.
•
Do not place the device on an unstable case or desk. The device might be severely damaged in
case of a fall.
•
Keep the chassis and installation tools away from walk areas.
•
Keep the chassis clean and dust-free.
•
Do not place the device near water or in a damp environment. Prevent water or moisture from
entering the device chassis.
•
Pay attention to the safety symbols on the package and handle the device accordingly.
Table1-1 Packing symbols
Symbol
Description
The device shall not be vertically stacked beyond the specified number.
Place the device with the arrows up.
The device is fragile. Handle it with care.
Keep the device from humidity, rains, and wet floor.

1-2
•
Ensure good ventilation of the equipment room and keep the air inlet and outlet vents of the
device free of obstruction.
•
Make sure the operating voltage is in the required range.
•
Use a screwdriver to fasten screws.
•
Take away the packaging materials and installation tools after installation.
Electrical safety
•
Carefully examine your work area for possible hazards such as moist floors, ungrounded power
extension cables, and missing safety grounds.
•
Locate the emergency power-off switch in the room before installation. Shut the power off at
once in case accident occurs.
•
Do not work alone when the device has power.
•
Always verify that the power has been disconnected.
Laser safety
WARNING
!
Disconnected optical fibers or transceiver modules might emit invisible laser light. Do not stare into
beams or view directly with optical instruments when the device is operating.
The device is a Class 1 laser device.
•
Before you remove the optical fiber connector from a fiber port, execute the shutdown
command in interface view to shut down the port.
•
Attach a dust cap to any open optical fiber connector and a dust plug into any open fiber port or
transceiver module port to protect them from contamination and ESD damage.
Moving safety
When you move the device, follow these guidelines:
•
To avoid damage, move and unpack the device with care.
•
After you move the device from a location below0°C (32°F) to the equipment room, follow these
guidelines to prevent condensation:
Wait a minimum of 30 minutes before unpacking the device.
Wait a minimum of 2 hours before powering on the device.
•
Use a pushcart when you move multiple devices.
•
Before you move the device, remove all cables and mounting brackets.
•
If the device is to be transported over a long distance, perform the following tasks before the
transport:
Remove all removable components, such as power modules and interface modules, and
place them separately in antistatic bags.
Replace the filler panels provided with the device to prevent obstacle intrusions and
damages to the device.
•
To transport the device over a short distance, make sure the removable components are
securely installed on the device and the screws are tightly fastened.
•
When you move or lift the chassis, support the bottom of the chassis, rather than hold any
removable component.

1-3
•
Make sure the accessories of the device are not lost or damaged during device moving.
Examining the installation site
The device can only be used indoors. To ensure correct operation and a long lifespan for your device,
the installation site must meet the following requirements.
Weight support
Make sure the floor can support the total weight of the rack, chassis, modules, and all other
components. For weights of the chassis and components, see "Appendix A Chassis views and
technical specifications."
Temperature and humidity
Maintain temperature and humidity in the equipment room at levels as described in Table1-2.
•
Lasting high relative humidity can cause poor insulation, electricity leakage, mechanical
property change of materials, and metal corrosion.
•
Lasting low relative humidity can cause washer contraction and ESD and bring problems
including loose captive screws and circuit failure.
•
High temperature can accelerate the aging of insulation materials and significantly lower the
reliability and lifespan of the device.
Table1-2 Temperature and humidity requirements
Item
Specification
Temperature
•Operating:
Without hard disks: 0°C to 45°C (32°F to 113°F)
With hard disks: 5°C to 40°C (41°F to 104°F)
•Storage: –40°C to +70°C (–40°F to +158°F)
Humidity
•Operating:
Without hard disks: 5% RH to 95% RH, noncondensing
With hard disks: 10% RH to 80% RH, noncondensing
•Storage:
Without hard disks: 5% RH to 95% RH, noncondensing
With hard disks: 5% RH to 90% RH, noncondensing
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.
Table1-3 Dust concentration limit in the equipment room
Substance
Concentration limit (particles/m
3
)
Dust particles ≤ 3 × 104
(No visible dust on desk in three days)
NOTE:
Dust particle diameter ≥ 5 µm

1-4
The equipment room must also meet strict limits on salts, acids, and sulfides to eliminate corrosion
and premature aging of components, as shown in Table1-4.
Table1-4 Harmful gas limits in an equipment room
Gas
Max. (mg/m
3
)
SO20.2
H2S 0.006
NH30.05
Cl20.01
NO20.04
Cooling system
For heat dissipation, make sure the following requirements are met:
•
Aminimum clearance of 100 mm (3.94 in) is reserved around the inlet and outlet air vents.
•
The installation site has a good cooling system.
The device provides either of the following airflow for heat dissipation by installing different fan trays:
•
Rear-to-front airflow—The FAN-20F-2-A fan tray blows air from the power module side to the
port side as shown in Figure1-1.The fan tray has a blue fan tray handle.
•
Front-to-rear airflow—The FAN-20B-2-A fan tray draws air from the port side to the power
module side as shown in Figure1-2. The fan tray has a red fan tray handle.
Figure1-1 Rear to front airflow provided by the FAN-20F-2-A fan tray
Figure1-2 Front-to-rear airflow provided by the FAN-20B-2-A fan tray

1-5
ESD prevention
To prevent electrostatic discharge (ESD), follow these guidelines:
•
Make sure the device and the workbench or rack are reliably grounded.
•
Take dust-proof measures for the equipment room. For more information, see "Cleanliness."
•
Maintain the humidity and temperature at acceptable levels. For more information, see
"Temperature and humidity."
•
Before working with the device, wear an ESD wrist strap or gloves and ESD clothing, and
remove conductive objects such as jewelry or watch. Make sure the wrist strap makes good
skin contact and is reliably grounded.
•
Place a removed component such as interface module on an ESD workbench or put it in an
antistatic bag, with its component side facing up.
EMI
All electromagnetic interference (EMI) sources, from outside or inside of the device and application
system, adversely affect the device 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 device far away from radio transmitting stations, radar stations, and high-frequency
devices.
•
Use electromagnetic shielding, for example, shielded interface cables, when necessary.
•
To preventsignal ports from getting damaged by overvoltage or overcurrent caused by lightning
strikes, route interface cables only indoors. If part of the network cable of an Ethernet port must
be routed outdoors, connect a lightning arrester to the cable before you plug the cable into the
port.
Lightning protection
To better protect the device from lightning, follow these guidelines:
•
Make sure the grounding cable of the chassis is reliably grounded.
•
Make sure the grounding terminal of the AC power receptacle is reliably grounded.
•
Install a lightning arrester at the input end of the power module to enhance the lightning
protection capability of the power module.
Power supply
Verify that the power system at the installation site meets the requirements of the power modules,
including the input method and rated input voltage. For more information, see "Appendix A Chassis
views and technical specifications."

1-6
Installation tools
No installation tools are provided with the device. Prepare installation tools yourself as required.
Table1-5 Installation tools
Flathead screwdriver Phillips screwdriver Needle-nose pliers Marker
Diagonal pliers ESD wrist strap Wire stripper Crimping tool
Installation accessories
Table1-6 Installation accessories
Mounting brackets
with cable
management
brackets
Slide rails and chassis rails M4 mounting bracket
screw M6 rack screw
Cage nut Grounding cable Console cable
Pre-installation checklist
Table1-7 Pre-installation checklist
Item
Requirements
Installation
site
Ventilation
•There is a minimum clearance of 100 mm (3.94 in) around the inlet
and outlet air vents for heat dissipation of the device chassis.
•A ventilation system is available at the installation site.
Temperature
•Operating:
Without hard disks: 0°C to 45°C (32°F to 113°F)
With hard disks: 5°C to 40°C (41°F to 104°F)
•Storage: –40°C to +70°C (–40°F to +158°F)
Humidity
•Operating:
Without hard disks: 5% RH to 95% RH, noncondensing
With hard disks: 10% RH to 80% RH, noncondensing
•Storage:

1-7
Item
Requirements

Without hard disks: 5% RH to 95% RH, noncondensing
With hard disks: 5% RH to 90% RH, noncondensing
Cleanliness •Dust concentration ≤ 3 × 104 particles/m3
•No dust on desk within three days
ESD prevention
•The device and the workbench or rack are reliably grounded.
•The equipment room is dust-proof.
•The humidity and temperature are at acceptable levels.
•An ESD wrist strap is available.
•An antistatic workbench is available.
•Antistatic bags are available.
EMI prevention
•Effective measures are taken for filtering interference from the
power grid.
•The protection ground of the device is away from the grounding
facility of power equipment or lightning protection grounding
facility.
•The device is far away from radio transmitting stations, radar
stations, and high-frequency devices.
•Electromagnetic shielding, for example, shielded interface cables,
is used as required.
Lightning
protection
•The grounding cable of the chassis is reliably grounded.
•The grounding terminal of theAC power receptacle is reliably
grounded.
•(Optional) Apower lightning arrester is available.
Electricity safety
•A UPS is available.
•The power-off switch in the equipment room is identified and
accessible so that the power can be immediately shut off when an
accident occurs.
Rack-mounting
requirements
•The rack has a good ventilation system.
•The rack is sturdy enough to support the weight of the device and
installation accessories.
•The rack has a size that can accommodate the device.
•The front and rear of the rack are a minimum of 0.8 m (2.62 ft)
away from walls or other devices.
Safety
precautions
•The device is far away from any moist area and heat source.
•The emergency power switch in the equipment room is located.
Tools and
accessories
•Accessories provided with the device are available.
•Installation tools are available.
Reference •Documents shipped with the device are available.
•Online documents are available.

2-1
2 Installing the device
WARNING!
Keep the tamper
-
proof seal on a mounting screw on the chassis cover intact, and if you want to open
the chassis, contact the local agent of
H3C for permission. Otherwise, H3C
shall not be liable for any
consequence caused thereby.
The installation procedure is similar for the H3C SecPath L5030, L5060, L5080 and L5000-E load
balancers. This section installs an L5000-E load balancer.
Installation flow
Table2-1 Installation flow for the device
Step
Description
1. Start Before installation, make sure all requirements on the checklist
are met and the device is powered off.
2. Grounding the device Before installation, make sure the device and rack are reliably
grounded and you wear an ESD wrist strap.
3. Installing the device in a standard
19-inch rack The device
is heavy. Both mounting brackets and slide rails are
required to support the weight of the chassis.
4. Installing a power module Before you install a power module, make sure the power
module
is not connected to anypower source and the grounding
cable of the device is connected reliably.
5. Installing a fan tray Install compatible fan trays on the device.
6. Installing an interface module No MPU or interface module is provided with the device
Purchase them as required.
7. Installing a hard disk Install compatible drives on the device.
8. Connecting Ethernet cables The device provides various ports. Choose compatible
transceiver modules and cables as required. To avoid bodily
injury or device damage, read the restrictions and guidelines
carefully before connection.
9. Connecting the power cord Connect compatible power cords to the power modules.
10. Verifying the installation Verify that the device is installed securely and reliably
grounded, and that the power modules are as required.
Grounding the device
WARNING
!
•
Correctly connecting the device grounding cable is crucial to lightning protection and EMI
protection. Before installing or using the devicel, connect the grounding cable to it correctly.
•Do not connect the device grounding cable to a fire main or lightning rod.

2-2
As shown in Figure2-1, the device provides a primary grounding point at the rear panel and an
auxiliary grounding point at the left side. The primary grounding point has a grounding sign and a
grounding screw.
The grounding screw at the primary grounding point is also applicable to the auxiliary grounding
point. To use the auxiliary grounding point, attach the grounding cable to the grounding point before
you install the device in a rack.
The procedure is the same for connecting a grounding cable to the primary grounding point and the
auxiliary grounding point. This section uses the primary grounding point as an example.
To connect the grounding cable:
1. Remove the grounding screw from the primary grounding point at the device rear.
2. Attach the grounding screw to the ring terminal of the grounding cable.
3. Use a screwdriver to fasten the grounding screw into the grounding hole.
4. Connect the other end of the grounding cable to the grounding strip on the rack.
Figure2-1 Grounding the device by using the primary grounding point
Installing the device in a standard 19-inch rack
WARNING
!
To avoid bodily injury and device damage,
a minimum of two persons are required to install the
device.
CAUTION:
•
Ensure a clearance of 1 RU (44.45 mm, or 1.75 in) between the device and walls or other device
s
for heat dissipation.
•The mounting brackets and chassis rails are required to support the weight of the chassis.
To install the device in a standard 19-inch rack, make sure the rack meets the requirements
described in Table2-2.
Table2-2 Device dimensions and rack requirements
Device dimensions
Rack requirements
•Height—88.1 mm (3.47 in)
•Width—440 mm (17.32 in)
•Total depth—775.5 mm (30.53 in)
660 mm (25.98 in) for the chassis

90 mm (3.54 in) for the cable
•A minimum of 1 m (3.28 ft) in depth
(recommended).
•Aminimum of 100 mm (3.94 in) between the front
rack posts and the front door.
•A minimum of 760 mm (29.92 in) between the

2-3
Device dimensions
Rack requirements
management bracket at the chassis front
25.5 mm (1.00 in) for the power module
handle at the chassis rear
front rack posts to the rear door.
•518 mm (20.39 in) to 858 mm (33.78 in) from the
front rack posts to the rear rack posts.
To install the device in a standard 19-inch rack:
1. Wear an ESD wrist strap and make sure the wrist strap makes good skin contact and is reliably
grounded.
2. Unpack the device and accessories.
3. Use a mounting bracket and a slide rail to mark the cage nut installation positions on the front
and rear rack posts, respectively. Four cage nuts are required on each front rack post and two
are required on each rear rack post.
4. Install cages nuts at the marked positions.
5. Use M6 screws to attach two slide rails to the rear rack posts.
Figure2-2 Installing cage nuts and slide rails
6. Use the provided M4 screws to attach the mounting brackets and chassis rails to both sides of
the device.
The device provides multiple installation positions for chassis rails. Install chassis rails to the
appropriate positions and make sure the front ends of the slide rails can reach out of the chassis
rails after the device is installed in the rack.

2-4
Figure2-3 Attaching the mounting brackets and chassis rails to the device
7. One person supports the bottom of the device, align the chassis rails with the slide rails, and
slide the slide rails into the chassis rails until the mounting brackets are flush with the front rack
posts.
8. Fasten the M6 rack screws with a Phillips screwdriver to secure the mounting brackets to the
front rack posts.
Figure2-4 Securing the device to the rack
Grounding the device
WARNING
!
•
Correctly connecting the device grounding cable is crucial to lightning protection and EMI
protection.
•Do not connect the device grounding cable to a fire main or lightning rod.
The device provides a primary grounding point at the rear panel and an auxiliary grounding point at
the left side. The primary grounding point has a grounding sign and a grounding screw. To use the
auxiliary grounding point, attach the grounding cable to the grounding point before you install the
device in a rack.

2-5
The procedure is the same for connecting a grounding cable to the primary grounding point and the
auxiliary grounding point. This section uses the primary grounding point as an example.
To connect the grounding cable:
1. Remove the grounding screw from the primary grounding point at the device rear.
2. Attach the grounding screw to the ring terminal of the grounding cable.
3. Use a screwdriver to fasten the grounding screw into the grounding hole.
4. Connect the other end of the grounding cable to the grounding strip on the rack.
Figure2-5 Grounding the device at the primary grounding point
Installing a power module
CAUTION:
•
Before installing a power module, make sure the power module is not connected to any power
source and the grounding cable of the device is connected reliably.
•
Install a filler panel over an empty power module slot to prevent dust and ensure good ventilation
in the chassis.
•Do not install both AC and DC power modules on the same device.
To install a power module:
1. Face the rear panel of the device.
2. Select the slot to install the power module.
3. (Optional.) Remove the filler panel (if any) from the slot.
Figure2-6 Removing the filler panel
Auxiliary grounding point
Primary grounding point

2-6
4. Orient the power module with its power receptacle at the right. Holding the handle of the module
with one hand and supporting the module bottom with the other, slide the power module slowly
into the slot along the guide rails.
Figure2-7 Installing an AC power module
Installing a fan tray
CAUTION:
•
Before installation, make sure the airflow direction provided by the fan tray meets the
requirements for installation ventilation.
•
The device comes with both fan tray slots empty. To ensure good ventilation, you must install
two
fan trays of the same model before powering on the device.
•
To prevent damage to the fan tray and
the connectors on the backplane, insert the fan tray gently.
If you encounter any resistance while inserting the fan tray, pull out the fan tray, re-orient it,
and
then insert it again.
•
If one fan tray fails during the device operation, replace the fan tray immediately and keep the fan
tray in the slot before the replacement. If both fan trays fail, rep
lace one fan tray first immediately.
Replace the other fan tray after the new fan tray operates correctly. Do not remove the two fan
trays at the same time, or the device will be powered off.
The device supports FAN-20B-2-A and FAN-20F-2-A fan trays. The installation procedure for the
FAN-20B-2-A and the FAN-20F-2-A is the same. This section installs a FAN-20B-2-A fan tray.
To install a fan tray:
1. Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.
2. Orient the fan tray with the "TOP" mark on the top, grasp the fan tray handle with one hand, and
support its bottom with the other hand. Slide the fan tray along the guide rails into the slot until it
has a firm contact with the backplane.