H3C PSR920-54A-B User manual

1
Overview
简介
•The PSR920-54A-B is a DC output power supply that supports AC and
HVDV power input. It provides a maximum output of 920 W.
PSR920-54A-B是一款提供直流输出的电源模块，既支持交流输入也支持
高压直流输入。这款电源模块的最大输出功率可达 920W。
•The PSR920-54A-B power supply exhausts air from its faceplate. The
following figure shows the PSR920-54A-B power supply. PSR920-54A-B
的风道风向是电源面板侧出风。下图展示 PSR920-54A-B 的外观。
•The PSR920-54A-B power supply is applicable to multiple switch models.
The applicable switch models might change over time. For compatibility
of the power supply with switch models, contact the marketing personnel
or technical support. PSR920-54A-B 适用于多款交换机产品，其适用机
型的准确信息随着时间变化有更新的可能性，若您需要详细的适配信
息，请咨询市场人员或技术支持人员。
•The restrictions for using the PSR920-54A-B power supply depend on
the switch model. For more information, see the installation guide or
hardware information and specifications for the switch. PSR920-54A-B用
于不同交换机产品时可能存在不同的使用限制，具体请参考产品配套安
装指导或硬件描述。
H3C PSR920
-54A-B Power Supply User Manual-APW100
H3C PSR920
-54A-B 电源手册-APW100
BOM: 3101A0TT

2
Feature
特点
Description
说明
Self-protection
具有保护功能
Provide input undervoltage, output overvoltage, short-circuit, output overcurrent,
and overtemperature protections.
具有输出输入欠压保护、输出过压保护、短路保护、输出限流保护、过温保护
等功能
Redundancy
支持冗余备份
Two power supplies can be connected in parallel to achieve 1+1 redundancy
and load sharing.
支持双电源模块并联工作，从而可以实现受电设备电源系统1+1备份，并且备
份电源间具有负载均流功能
Hot swappable
支持热插拔
You can remove one of power supplies in 1+1 redundancy while the device is
operating. Before removing the power supply, disconnect the power supply
from the external power supply system.
在设备不断电的情况下，可先断开1+1冗余备份电源系统中某个电源模块与外
置供电系统的连接，然后直接对电源模块进行插拔操作
A power supply shuts down after an input undervoltage, short circuit, output
overcurrent, or overtemperature condition occurs. After the issues are
resolved, it automatically restores power supply.
当电源模块触发输入欠压保护、短路保护、输出限流保护、过温保护
功能时，
电源停止供电。当故障消失后，会自动恢复供电。
A power supply shuts down and is locked after an output overvoltage
condition occurs. It cannot restore power supply automatically after the
issue is resolved. To restore power supply, perform the following tasks:
当电源模块触发输出过压保护功能时，电源锁死，停止供电。当电源模块被
锁死时，其不能自动恢复正常工作，可以采用以下步骤来使电源模块恢复正
常工作：
•Disconnect the power cord from the external power supply system.
首先断开电源线与外置电源系统的连接；
•Disconnect the power cord from the power supply and then reconnect it.
接着将电源线插头从电源模块上拔出，然后重新连接电源线至电源模块；
•Connect the power cord to the external power supply system.
最后连接电源线至外置电源系统。
Technical specifications
电源模块规格
Item
项目
Specifications
规格
AC input
交流输入
Rated input voltage range
额定输入电压范围 100 to 130 VAC @ 50/60 Hz
200 to 240 VAC @ 50/60 Hz
Max input voltage range
最大输入电压范围 90 to 290 VAC @ 47 to 63 Hz
Max input current
最大输入电流 13 A

3
Item
项目
Specifications
规格
HVDC input
高压直流输入
Rated input voltage range
额定输入电压范围 240 VDC
Max input voltage range
最大输入电压范围 180 to 320 VDC
Max input current
最大输入电流 7 A
Output voltage 输出电压 56 V
Max output current 最大输出电流 16.5 A
Max output power 最大输出功率 920 W
Dimensions (H × W × D)
外形尺寸（高×宽×深） 40.2 × 73.5 × 185 mm (1.58 × 2.89 × 7.28
in)
Weight 重量 1 kg (2.20 lb)
Operating temperature 工作温度 –10°C to +55°C (14°F to 131°F)
Relative humidity 工作环境相对湿度（非凝露） 5% RH to 95% RH, noncondensing
Storage temperature 存储温度 -40°C to +70°C (–40°F to +158°F)
LEDs
电源模块状态指示灯
The PSR920-54A-B power supply provides two LEDs on its faceplate to indicate
the power input and output status. PSR920-54A-B 电源模块面板上有两个电源模块
指示灯，用于指示电源的输入、输出状态。
LED
指示灯
Mark
面板标示
Status
状态
Description
含义
Output status LED
输出状态指示灯 OUT OK
Steady green
绿色常亮 Normal power output. 输出正常
Steady red
红色常亮 Abnormal power output. 输出异常
Off
灭No power output. 无输出
Input status LED
输入状态指示灯 IN OK
Steady green
绿色常亮 Normal power input. 输入正常
Steady red
红色常亮 Abnormal power input. 输入异常
Off
灭No power input. 无输入

4
Installing and removing the power supply
电源模块的安装
和拆卸
1. Safety precautions 安全注意事项
•Wear an ESD wrist strap and make sure the wrist strap makes good skin
contact.
在安装和拆卸电源模块时请注意佩戴防静电腕带，并确保防静电腕带与皮
肤良好接触。
•Before installing the power supply, make sure the operating voltage of the
external power supply system is as required by the power supply, and the
output voltage of the power supply is as required by the powered device.
在安装电源模块前，请确认外置供电系统的工作电压同电源模块所标电
压、电源模块输出电压同受电设备所需电压是否相符，避免对电源模块和
受电设备造成损坏。
•To avoid bodily injury, do not touch any bare wire or terminal.
不要接触露出的任何导线、端子部分，以免对人体造成伤害。
•To avoid power supply damage, do not open the power supply. When the
internal circuits or components of the power supply fail, contact H3C
Support.
为了防止电源模块受损，请不要随意打开电源模块外壳，当电源模块内部
线路或元器件出现故障时，请移交维修人员进行检修。
•Before installing or removing the power supply, make sure no power cord
is connected to the power supply.
安装和拆卸电源模块时应确保电源模块上没有连接电源线。
2. Tools 工具准备
An ESD wrist strap is required for installing and removing the power supply
and connecting the power cord. Prepare an ESD wrist strap yourself.
安装和拆卸电源模块和电源线过程中需要使用防静电腕带，请用户自备。

5
3. Installing the power supply 安装电源模块
•To prevent damage to the power supply or the connector on the
backplane of the powered device, insert the power supply gently.
为了避免损坏电源模块或受电设备背板的连接器端子，在电源模块插入过
程中动作要缓慢。
•If you insert the power supply upside down, you will encounter a hard
resistance because of the special structure designs of the slot and power
supply. You need to pull out the power supply, orient it correctly, and insert
it again.
如果上下倒置，安装过程将受插槽和电源模块特意设计的结构限制，不能
顺利进行，必须先拔出模块，然后重新插入。
•Before installing the power supply on a switch, make sure it matches the
switch model. For more information, see the installation guide for the
switch. 安装前请检查电源模块型号与设备是否匹配，具体请参见各产品
的安装指导。
•Keep the filler panel, packaging box, and packaging bags for the power
supply secure for future use. 请妥善保管假面板及电源模块的包装盒、包
装袋等物品，以备将来需要时使用。
(1) Unpack the power supply and verify that the input mode of the power supply is
as required. 从电源模块包装盒中取出电源模块，确认电源模块的输入方式与
所需一致。

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(2) Correctly orient the power supply (with the lettering on it upward), grasp the
handle of the power supply with one hand and support its bottom with the other,
and slide the power supply slowly along the guide rails into the slot. Make sure
the latch on the power supply clicks into place. 保证电源模块上下方向正确（电
源模块插入时，请保证电源模块上文字为正向），用一只手握住电源模块上的拉
手，另一只手托住电源模块底部，将其后端对准电源插槽，使电源模块沿电源
插槽水平插入插槽。当电源模块完全插入插槽时，会听到电源模块上的锁闩卡
住插槽的声音。
If the power supply slot has a filler panel, put your finger into the hole in the
filler panel and then pull the filler panel out of the slot gently. 若准备安装电
源模块的电源槽位上有电源假面板，请先拆卸电源假面板。拆卸方法：将
手指伸入圆孔勾住圆孔边缘，沿插槽导轨向外轻微用力拉出假面板。
4. Connecting the power cord 连接电源线
•Use the power cord provided with the power supply for connection. The
power cord provided with the power supply uses a C15 connector that is
designed to withstand high temperatures. 请使用电源模块标配的电源线
进行连接，该电源线采用 C15 接口（耐高温）。
Provide a separate circuit breaker for each power cord. 请保证电源线有
独立的输入断路器。
•Before connecting a power cord, make sure the circuit breaker for the
power feed is turned off. 连接电源线前，请将需要连接电源线的输入端断
路器置于断开状态。

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(1) Connect the female connector of the power cord to the power input receptacle
on the power supply. 将电源线带插孔的一端插到电源模块的输入插口上。
(2) Use a cable tie to secure the power cord to the handle of the power supply. 用
可拆卸式扎带将电源线固定到电源模块的拉手处，以防电源线脱落。
5. Removing the power supply 拆卸电源模块
•To avoid bodily injury or switch damage, strictly follow the procedure
described in this section to remove the power supply. 请严格按照如下
操作顺序拆卸电源模块，否则可能会造成设备损坏或者人身伤害。
•If you are not to install a new power supply after removing the old one,
install a filler panel in the slot in time. 如果该电源插槽中不再安装电源模
块，请将假面板安装到该插槽上，以免灰尘进入机箱。

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(1) Turn off the circuit breaker for the power feed to the power supply. 断开电源输
入端断路器。
(2) Remove the cable tie from the power cord, and then remove the power cord. 松
开固定电源线的可拆卸式扎带，并拔出电源线。
(3) Pressing the latch towards the handle direction, pull the power supply part way
out of the slot. 向拉手侧掰动锁闩，同时沿插槽导轨向外拉动电源模块，将电
源模块拉出来一部分。
(4) Grasping the handle of the power supply with one hand and supporting its
bottom with the other, pull the power supply slowly out of the slot along the
guide rails. 用一只手握住电源模块拉手，另一只手托住电源模块下方，将电源
模块沿着插槽导轨水平缓慢地拉出。
(5) Put the removed power supply into an antistatic bag. 将拆卸下来的电源模块放
到防静电袋中。
Copyright © 2021, New H3C Technologies Co
., Ltd.
The information in this document is subject to change without notice.
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