Alcatel-Lucent 7750 SR-a4, Installation Manual, Page: 95 / 232

Installing PSUs
7750 SR-a4 and SR-a8 Installation Guide 95
Figure 27: Installing a AC PSU (7750 SR-a8)
To install an AC PSU in a 7750 SR-a chassis:
Step 1. Align the PSU module with the chassis guides in power slot (Key 1 in Figure 26
and Figure 27 ).
Step 2. Grip and hold the handle (Key 2 in Figure 26 and Figure 27 ) on the PSU with your
hand.
Step 3. Slide the unit into the slot. Firmly press the PSU module all the way into the slot.
The latch clicks into place to secure the PSU when the unit is fully inserted.
Table 40: Installing an AC PSU
Key Description
1 Chassis guides in the power slot
2 AC PSU handle
3 Spring-loaded latch lock
4 Direction of movement
7750 S
R-a4 Fan Tray
Pwr
S tat
S lot Layout
1/1 XP
1/2
1/3
1/4
2/1 XP
1
2/2 XP
2/3
2/4
CPM A
2
CPM B
7750 SR-a8
S
ervice Router
Pwr
Stat
Pwr
Stat
7750
M
DA
-aXP
10
-1
0G
B
-S
F
P
+
10
Lnk Act
9
Lnk Act
8
Lnk Act
7
Lnk Act
6
Lnk Act
5
Lnk Act
4
Lnk Act
3
Lnk Act
2
Lnk Act
1
Lnk Act
Pwr
7750
M
DA
-aX
P
6-
10
G
B-
S
FP
+
1-
40
G
B-
Q
S
FP
+
Stat
6
Lnk Act
7
Lnk Act
5
Lnk Act
4
Lnk Act
3
Lnk Act
2
Lnk Act
1
Lnk Act
Pwr
77
50
M
D
A-
a
4-
10
G
B-
S
FP
+
Stat
3
Lnk Act
4
Lnk Act
1
Lnk Act
2
Lnk Act
Pwr
7
750 MD
A-a
44
-1
G
B
-
C
S
F
P
/S
F
P
Stat
Lnk/Act
1 2 3 4
5 6 7 8
9 10 11 12 13
14 15 16
25 26 27 28
29 30 31 32
33 34 35 36
37 38 39 40
41 42 43 44
17 18 19 20
21 22 23 24
Pwr
7
750
M
D
A
-a
20
-1
G
B
-T
X
Stat
Lnk
1 Act
2
Lnk
3
Act
4 Lnk
5
Act
6
Lnk
7 Act
8
Lnk
9
Act
10 Lnk
11
Act
12
Lnk
13 Act
14
Lnk
15
Act
16 Lnk
17
Act
18 Lnk
19 Act
20
Pwr
7
750 MD
A-a
12
-1
G
B
-S
F
P
2-1
0G
B
-S
F
P
+
Stat
Lnk/Act
1
2
3
4 5
6
7
8
9
10 11
12 Lnk
Act
13
14
Lnk
Act Pwr
77
50
M
D
A
-a
4-
10
G
B-
S
FP
+
Stat
3
Lnk Act
4
Lnk Act
1
Lnk Act
2
Lnk Act
Pwr
7
7
5
0
SR-a
Stat
S
ync
E/1
58
8
Alarms
1PPS
ACO/LT
Critical
Lnk DTE
Pwr
7
7
5
0
C
P
M-a
Stat
Console M
gmt
O
E
S
B
ITS
Compact Flash
DCE Act Lnk
Act
Major
Minor
Sy
n
cE/
15
88
Alarms
1PPS
ACO/LT
Critical
Lnk DTE
Pwr
7
7
5
0
C
P
M-
a
Stat
Console M
gmt
O
E
S
B
IT
S
Compact Flash
DCE Act Lnk
Act
Major
Minor
Pwr
7
7
5
0
MD
A-a
X
P
1
-1
0
0
G
B
-C
F
P
Stat
Lnk
A
ir
F
ilt
er
A
c
c
e
s
s
775
0
S
R
-a
8
2
4
1
3
24590