H3C S1850-X Series User manual

H3C S1850-X & S1850V2-
X &
S1850V2-EI Switch Series
Installation Guide
New H3C Technologies Co., Ltd.
http://www.h3c.com
Document version: 6W101-20230604

Copyright © 2022-2023, 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
H3C S1850-X & S1850V2-X & S1850V2-EI Switch Series Installation Guide describes the
installation, power-on, maintenance, and troubleshooting of the S1850V2-EI switches .
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 switches.
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 syntaxchoices separated byvertical
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
T
T
T

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

i
Contents
1 Preparing for installation··········································································1-1
Safety recommendations ································································································································1-2
Examining the installation environment ··········································································································1-2
Cleanliness··············································································································································1-4
Corrosive gas limit···································································································································1-4
Examining the installation site·························································································································1-5
Checking power distribution or power supply environment·············································································1-6
Laser safety·····················································································································································1-6
Installation tools ··············································································································································1-7
2 Installing the switch··················································································2-8
Installing the switch in a 19-inch rack··············································································································2-8
Mounting brackets···································································································································2-8
Attaching the mounting brackets to the switch························································································2-9
Rack-mounting the switch·····················································································································2-10
Mounting the switch on a workbench············································································································2-11
Mounting the switch on a wall·······················································································································2-12
Grounding the switch ····································································································································2-13
Grounding the switch with a grounding strip·························································································2-14
Grounding the switch with a grounding conductor buried in the earth ground······································2-15
Verifying the connection after grounding the switch··············································································2-16
Connecting the power cord···························································································································2-16
Connecting the AC power cord for the fixed AC power supply·····························································2-17
Connecting the DC power cord for the fixed DC power supply·····························································2-17
Verifying the installation································································································································2-18
3 Accessing the switch for the first time····················································3-18
Accessing the Web GUI by using the default username and password·······················································3-18
Changing the default login password············································································································3-19
Creating user accounts·································································································································3-19
4 Maintenance and troubleshooting··························································4-20
Fixed power supply failure ····························································································································4-20
Input failure on an AC-powered switch ·································································································4-20
Input failure on an RPS-powered switch·······························································································4-20
Input failure on an RPS and AC-powered switch··················································································4-21
Fan tray failure··············································································································································4-21
Symptom···············································································································································4-21
Solution·················································································································································4-21

1-1
1 Preparing for installation
This document provides an installation guide for the following switch series:
•
S1850-X switch series
•
S1850V2-X switch series
•
S1850V2-EI switch series
Table1-1 describes the switch models that each switch series includes.
Table1-1 Switch series and models
Switch series Model Product code (PID)
S1850-X switch
series
Non-PoE
models S1850-28X LS-1850-28X
S1850-52X LS-1850-52X
PoE models S1850-28X-PWR LS-1850-28X-PWR
S1850-52X-PWR LS-1850-52X-PWR
S1850V2-X
switch series
Non-PoE
models
S1850V2-28X LS-1850V2-28X
LS-1850V2-28X-GL
S1850V2-52X LS-1850V2-52X
LS-1850V2-52X-GL
PoE models
S1850V2-28X-HPWR LS-1850V2-28X-HPWR
LS-1850V2-28X-HPWR-GL
S1850V2-52X-PWR LS-1850V2-52X-PWR
LS-1850V2-52X-PWR-GL
S1850V2-EI
switch series
Non-PoE
models
S1850V2-52P-EI LS-1850V2-52P-EI
LS-1850V2-52P-EI-GL
S1850V2-28P-EI LS-1850V2-28P-EI
LS-1850V2-28P-EI-GL
S1850V2-9P-EI LS-1850V2-9P-EI
S1850V2-10P-EI LS-1850V2-10P-EI
LS-1850V2-10P-EI-GL
PoE models
S1850V2-28P-HPWR-EI LS-1850V2-28P-HPWR-EI
LS-1850V2-28P-HPWR-EI-GL
S1850V2-10P-PWR-EI LS-1850V2-10P-PWR-EI
S1850V2-10P-HPWR-EI LS-1850V2-10P-HPWR-EI-GL
NOTE:
Switches of the same model but different PIDs might differ in
hardware and software features.
You
can view the PID of a switch on the label located on its rear panel or top panel.

1-2
Safety recommendations
To avoid equipment damage or bodily injury, 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 switch chassis.
•
Do not place the switch on an unstable case or desk.
•
Ensure good ventilation at the installation site and keep the air inlet and outlet vents of the
switch free of obstruction.
•
Make sure the power source voltage is as required.
•
To avoid electrical shocks, do not open the chassis while the switch is operating or when the
switch is just powered off.
•
To avoid ESD damage, wear an ESD wrist strap to hot-swap a power supply.
Examining the installation environment
To ensure correct operation of your switch, make sure the installation environment meets the
requirements listed in Table1-2.
Table1-2 Checking list for the installation environment
Item Requirements
Ventilation and heat dissipation
CAUTION:
To ensure correct operation of your device, make sure the installation
environment is adequately ventilated to prevent the switch from
overheating.
•Ensure a minimum clearance of 10 cm (3.94 in) around the chassis.
•Do not install the device near a heat source, for example, a stove or
heater.
•Ensure air ventilation in the installation environment.
•Do not block the ventilation holes in the device or power adapter.
Anti-moisture
CAUTION:
Water or moisture might damage the circuits of the device.
•Do not place the device near water or in a damp environment.
•Install the switch in a clean, dry, and ventilated place where
temperature is controlled in a stable range.
•Make sure
the installation environment is free from water leakage or
condensation. If required, install a dehumidification device (such as
an air conditioner with a dehumidification function or a dedicated
dehumidifier).
•Do not operate the device under or near the water source, such as
the wash basin, laundry room, or areas with high humidity.
•Do not touch the device with wet hands.
Temperature/humidity
For correct operation and long service life of your switch, maintain the
temperature and humidity in the equipment room at acceptable ranges.
•Lasting high relative humidity can cause poor insulation, electricity
leakage, mechanical property change of materials, and metal
corrosion.

1-3
Item Requirements
•Lasting low relative humidity can cause washer contraction and
ESD and cause issues 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 of the switch, see
technical specifications in H3C S1850-X & S1850V2-X & S1850V2-EI
Switch Series Hardware Information and Specifications.
Lightning protection
CAUTION:
Ground the switch correctly and verify the grounding. For more
information, see "Grounding the switch."
•If you ground the switch by using a grounding strip, make sure the
grounding resistance of the grounding strip in the equipment roomis
less than 1Ω.
•If you ground the switch by using a grounding conductor buried in
the earth ground, make sure the grounding resistance of the
grounding conductor in the ground is less than 10Ω.
•Route the signal cables along indoor walls, bury the cables in the
earth ground, or thread the cables through steel tubes. Install a
signal lightning arrester with a nominal discharge current for a
corresponding network interface.
•Keep the signal cables far from power cords and lightning rod down
conductors.
•As a best practice, route power cords indoors. If anAC power cord
is routed from outdoors, connect theAC power cord first to a power
lightning arrester before leading it to theAC power port on the
switch. Make sure the power lightning arrester has a nominal
discharge current and the total length of the power cord from the
power lighting arrester to the power port on the switch is less than 5
m (16.40 ft).
•
Ground the switch, rack, independent power supplies, and lightning
arresters separately.
•You must ground optical fibers with reinforcing metal stiffener from
outdoors on an optical distribution frame (ODF) or fiber splice
enclosure.
Cable routing
CAUTION:
Do not run an Ethernet cable and power cord in parallel.
•Route different types of cables separately.
•Keep power cords a minimum of 5 cm (1.97 in) away from other
cables.
ESD prevention
•Ground the switch correctly.
•To avoid ESD damageto the device or components, always wear an
ESD wrist strap when you install or remove the device or
components.
•Make sure the wrist strap has good skin contact and is reliably
grounded.
Cleanliness For more information, see "Cleanliness."
Corrosive gas prevention The installation site must be free from corrosive gases such as acid
gases and alkaline gases. For more information, see "Corrosive gas
limit."
EMI
•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

1-4
Item Requirements
stations, and high-frequency devices.
•Use electromagnetic shielding, for example, shielded interface
cables, when necessary.
Cleanliness
Dust buildup on the chassis might cause electrostatic adsorption and dust corrosion, resulting in
poor contact of metal connectors and contact points. This might shorten the device's lifetime and
even cause device failure in the worst case. Table1-3 describes the switch requirement for
cleanliness.
Table1-3 Switch requirement for cleanliness
Substance Particle diameter Concentration limit
Dust particles ≥ 0.5 µm ≤ 1.8 × 107particles/m3
To maintain cleanliness in the equipment room, follow these guidelines:
•
Keep the equipment room away from pollution sources. Do not smoke, eat, or drink in the
equipment room.
•
Use double-layer glass in windows and seal doors and windows with dust-proof rubber strips.
Use screen doors and window screens for doors and windows open to the outside and make
sure the external windows are air tight.
•
Use dustproof materials for floors, walls, and ceilings and use wallpaper or matt paint that does
not produce powders.
•
Clean the equipment room regularly and clean the air filters of the rack each month.
•
Wear ESD clothing and shoe covers before entering the equipment room, keep the ESD
clothing and shoe covers clean, and change them frequently.
Corrosive gas limit
Corrosive gases can accelerate corrosion and aging of metal components. Make sure the corrosive
gases do not exceed the concentration limits as shown in Table1-4.
Table1-4 Corrosive gas concentration limits
Gas Average concentration (mg/m3) Maximum concentration (mg/m3)
SO20.3 1.0
H2S 0.1 0.5
Cl20.1 0.3
HCI 0.1 0.5
HF 0.01 0.03
NH31.0 3.0
O30.05 0.1
NOX0.5 1.0