Alcatel-Lucent 7750 SR-a4, Installation Manual, Page: 176 / 232

Removing and Replacing a PSU
176 7750 SR-a4 and SR-a8 Installation Guide
Figure 58: Replacing an AC PSU (7750 SR-a4)
Figure 59: Replacing an AC PSU (7750 SR-a8)
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
MD
A
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Stat
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DA
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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
Sy
n
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58
8
Alarms
1PPS
ACO/LT
Critical
Lnk DTE
Pwr
7
7
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0
C
P
M-a
Stat
Console M
gmt
O
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S
B
ITS
Compact Flash
DCE Act Lnk
Act
Major
Minor
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58
8
Alarms
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ACO/LT
Critical
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C
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Console M
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B
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Compact Flash
DCE Act Lnk
Act
Major
Minor
Pwr
7
7
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R-
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Stat
Pwr
Stat
77
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M
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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
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DA
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S
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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
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24553
7750
S R-a4 Fan Tray
Pwr
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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
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Pwr
Stat
Pwr
Stat
7750
M
DA
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9
Lnk Act
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Lnk Act
7
Lnk Act
6
Lnk Act
5
Lnk Act
4
Lnk Act
3
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2
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Pwr
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Pwr
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F
P
Stat
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1 2 3 4
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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
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2 Lnk
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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
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8
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7
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S
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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
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Console M
gmt
O
E
S
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IT
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Compact Flash
DCE Act Lnk
Act
Major
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Pwr
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