Alcatel-Lucent 7750 SR-a4, Руководство по установке, Страница: 194 / 232

Removing and Replacing a CPM-a
194 7750 SR-a4 and SR-a8 Installation Guide
Step 4. Place the CPM-a on an antistatic surface or in an antistatic bag.
Step 5. Do one of the following:
a. If you are installing a replacement CPM-a, go to
Replacing a CPM-a on page
194 .
b. If you are not installing a replacement CPM-a module, insert an impedance
panel in the empty slot.
Replacing a CPM-a
The following procedure assumes that you have removed the CPM-a, as described in
Removing a CPM-a .
Figure 71 shows how to replace a CPM-a in the 7750 SR-a4 chassis. Table 99 describes the
features. The same method applies to the CPM-a in slot 7 of the 7750 SR-a8 chassis.
Figure 71: Replacing a CPM-a
Table 99: Replacing a CPM-a Features
Key Description
1 Chassis slot guide
2 Captive screws
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
75
0
S
R
-a4
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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