Alcatel-Lucent 7750 SR-a4, Installation Manual, Page: 193 / 232

Appendix C: Field-Replaceable Units
7750 SR-a4 and SR-a8 Installation Guide 193
Removing a CPM-a
Figure 70 shows how to remove a CPM-a from the 7750 SR-a4 chassis. Table 98 describes
the features. The same method applies to the CPM-a cards in the 7750 SR-a8 chassis.
Figure 70: Removing a CPM-a
Required tools:
• #2 Phillips or flat blade screw driver
To remove a CPM-a:
Step 1. Disconnect all cables connected to the CPM-a ports.
Step 2. Use a screwdriver to loosen the captive screws.
Step 3. Grip the CPM-a captive fasteners and slide the CPM-a out of the slot.
Table 98: Removing a CPM-a Features
Key Description
1 Slot guide
2 Captive screws
3 Threaded receptacle
7750
S R-a4 Fan Tray
Pwr
S tat
S lot Layout
1/1 XP
1/2
1/3
1/4
1
CPM A
CPM B
7750 SR-a4
S ervice Router
Pwr
Stat
Pwr
7
7
5
0
M
D
A
-a
X
P
1
-1
0
0
GE
-C
F
P
Stat
Lnk
Pwr
7
7
5
0
M
D
A
-a
20-
1G
B-
TX
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
7750
SR-
a
Stat
Sy
nc
E1
/5
88
Alarms
1PPS
ACOLT
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
Pwr
Stat
77
50
MD
A-a
X
P
10
-1
0G
B-
S
FP
+
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
7
7
5
0
M
D
A
-a
44
-1
G
B-
CS
FP
/S
FP
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
Air
F
ilt
er
Ac
c
e
s
s
7
7
5
0
S
R
-a
4
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
1
3
2
2
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