Allied Telesis AT-8400 Series Reference Manual page 94

Installing or Replacing a Power Supply
80
2. Using a Phillips screwdriver, loosen the captive screw that secures
the cover over the power supply PWR B slot and slide the cover from
the chassis.
A T -P
W R 1
0
A C
P
F
O
A
W
U
E
R L
T
W A R
N IN G
B E F
O R E
E J E C
T IN G
L O O ,
S E N
T H U
M B S
C R E
W
P W R
A
P W R
B
Figure 45 Removing the Blank Faceplate
Note
Store the faceplate in a safe location. If you remove a power supply,
you should reinstall the faceplate because it helps to ensure proper
airflow and cooling in the chassis.
3. Place the locking levers on the new AT-PWR10 power supply into the
released position.
T H U
Figure 46 Moving the Locking Levers into the Released Position
A T - P
W R 1
0
A C
P
F
O
A
W
U
E
L
R
T
W A R
N I N G
B E F
O R E
E J E C
T IN G
L O O ,
S E N
M B S
C R E
W
1
A T -8
2
4 1 1
A T -P T X
W R 1 A T -8
3
0 RD Y
4 1 1
A C
T X
A T -8
RD Y
T X
RD Y
P
F
O
A
W
U
E
R L
T
LN K
AC T
10
EJ EC
10 0
T
LN K
AC T
10
EJ EC
10 0
T
LN K
10
EJ EC
T
4 1 1
AC T
10 0