Allied Telesis AT-PWR250 User Manual

Page of 92
Chapter 1: Overview
46
Power Module
LED
The power modules have a DC OUT/FAULT LED, shown in Figure 30 on 
page 46, tha
t displays the same information as the DC OUT LEDs on the 
front panel.
Figure 30. Power Module LED
B
B
1
2
3
4
SYSTEM
PoE+ / SYSTEM
PoE+ / SYSTEM
SYSTEM
MODULE B
MODULE A
A
A
A
T
-PWR
8
00
DC OUT
FAULT
100-240 VAC~12A MAX
A
T
-PWR
8
00
DC OUT
FAULT
100-240 VAC~12A MAX
DC OUT
FAULT
100-240 VAC~12A MAX
2162
Table 8.  Power Module LED
LED
State
Description
DC OUT/
FAULT
Green
The DC output from the power supply 
module is within the normal operating 
range.
Amber
The DC output from the power supply 
module is below the normal operating 
range, either because the module is 
failing or the input voltage from the AC 
power source is below the normal 
operating range.
Off
The module is not receiving any AC 
power.