Allied Telesis AT-PWR250 User Manual
Chapter 3: Removing Power Supply Modules
80
3. Loosen the two captive screws securing the power module to the
chassis.
Figure 60. Loosening the Two Captive Screws
4. Slide the module from the chassis.
Figure 61. Removing the Power Supply from the Chassis
Note
Use care when pulling the power supply module from the chassis.
You might bend the power and control pins on the backplane
connectors if you roughly pull the module from the unit.
You might bend the power and control pins on the backplane
connectors if you roughly pull the module from the unit.
5. To install a new power supply module, perform the procedure
B
B
1
2
3
4
SYSTEM
PoE+ /
SYST
EM
PoE+ /
SYSTE
M
SYSTEM
MODULE B
MODULE A
A
A
A
T
-PWR
8
00
DC O
UT
FAULT
A
T
-PWR
8
00
DC OUT
FAULT
100-24
0 VAC~
12A M
AX
2171
100-24
0 VAC~
12A M
AX
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
FAU
LT
100-24
0 VAC~
12A M
AX
A
T
-PWR
8
00
DC OU
T
FAULT
2172
100-24
0 VAC~
12A M
AX