Alcatel-Lucent 7750 SR-a4, Руководство по установке, Страница: 191 / 232

Appendix C: Field-Replaceable Units
7750 SR-a4 and SR-a8 Installation Guide 191
Figure 69: Replacing the Air Filter Carrier (showing 7750 SR-a4)
To replace the air filter:
Step 1. Unpack the new replacement air filter from the protective packaging, and place it
on an antistatic surface.
Step 2. Install the filter in the filter carrier.
Step 3. Locate the vertical air filter slot on the right side of the chassis (Key 1 in Figure 69 ).
Step 4. Orient the air filter carrier so that the label “Air Filter Access” is on top.
Step 5. Hold the filter carrier by the grips, then slide the carrier into the filter slot until the
carrier is fully seated. (Key 2 in
Figure 69 ).
Table 97: Air Filter Replacement Features
Key Description
1 Chassis slot guide for air filter
2 Grips for the metal filter carrier
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
GB
-CF
P
Stat
Lnk
Pwr
7
7
5
0
M
DA
-a
20-
1GB-
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
Sy
nc
E/1
58
8
Alarms
1PPS
ACO/LT
Critical
Lnk DTE
Pwr
7
7
5
0
C
P
M-a
Stat
Console M
g
m
tO
ES
B
ITS
Compact Flash
DCE Act Lnk
Act
Major
Minor
Sy
n
cE/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
Pwr
7750
SR
-a
Stat
Pwr
Stat
77
50
M
D
A-a
XP
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
DA
-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
A
ir
F
ilt
er
A
c
c
es
s
77
5
0
S
R
-a
4
245 88
2
2 1