background image

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

×

×

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 

 

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 

 

No power input. 

无输入

 

 

Summary of Contents for PSR920-54A-B

Page 1: ...wer 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 techn...

Page 2: ...utput overcurrent or overtemperature condition occurs After the issues are resolved it automatically restores power supply A power supply shuts down and is locked after an output overvoltage condition...

Page 3: ...0 C to 55 C 14 F to 131 F Relative humidity 5 RH to 95 RH noncondensing Storage temperature 40 C to 70 C 40 F to 158 F LEDs The PSR920 54A B power supply provides two LEDs on its faceplate to indicate...

Page 4: ...power supply is as required by the powered device To avoid bodily injury do not touch any bare wire or terminal To avoid power supply damage do not open the power supply When the internal circuits or...

Page 5: ...tructure designs of the slot and power supply You need to pull out the power supply orient it correctly and insert it again Before installing the power supply on a switch make sure it matches the swit...

Page 6: ...r 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 4 Connecting the power cord Use the power cord provided with th...

Page 7: ...secure the power cord to the handle of the power supply 5 Removing the power supply To avoid bodily injury or switch damage strictly follow the procedure described in this section to remove the power...

Page 8: ...he power supply part way out of the slot 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 r...

Reviews: