3com PSE2500-A3 Benutzerhandbuch

User Manual 
PSE2500-A3 External PoE
Power System 

Chapter 2  System Description

 

2-2 

Up to three rectifiers can be mounted in each system of rectifier 

bracket. Each rectifier in the bracket receives AC power from the AC 

distribution. 

The front panel of the rectifier has three LEDs. Their names, 

colors and meanings are as follows. 

Table 2-1 LEDs state description 

All OK 

1 

1 

0 

Thermal alarm 
(Ambient) 

1 0  0 

Thermal alarm (fan fail)

1 

0 

1 

Blown AC fuse in unit 

1 

0 

1 

Low or no AC > 15mS 
(single unit) 

0 0  0 

AC not present in any 
rectifier  

0 0  0 

Over Voltage Latched 
shutdown 

1 0  1 

Any internal failure 

1 

0 

1 

 

The Front panel of the rectifier is as follows.