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DLP-131
Remove upper trim panel from front of chassis to expose ESD grounding jack. See
8
figure 131-1.
To remove trim panel, grasp left and right ends of trim panel and gently pull it toward
you to disengage ball studs.
CABLE GUIDE
TRIM PANEL
Plug wrist-strap cord into ESD grounding jack. See figure 131-2.
9
10
CAUTION: Possibility of service interruption. Make sure EDFA card is not handling traffic
before turning off safety key switch.
Locate EDFA card to be replaced and turn its safety key switch to
11
figure
Disconnect fiber-optic cables from two port adapters on card. See figure 131-4. Install
12
protective caps on all exposed fiber cables and mark cables for easy reinstallation.
5-48
Figure 131-1. Remove or Install Trim Panel
AUXILIARY
PANEL
1 6 7
7 S
O N
E T
L in k
131-4
for location of safety key switch.
S W
C
R U
N
12
S W
R U
RU
C
P R
N
N
I.
11
PR
RU
H EA
P R
I.
N
I.
LT
H
HE
PR
H EA
AL TH
I.
IN -U
LT
10
SE
H
IN -U
HE
IN -U
AL TH
SE
SE
C R
9
IN -U
SE
P W
R A
E
C R
M J
T
H
8
P W
P W
R A
E
R B
M J
R
M N
N
12
P W
E
FA
R B
7
N
M N
T
C
A L
FA
D C
A R
N
O
C
M S
N
6
A L
S
D C
A R
O
RU
C
M S
L
N
A C
O
E
5
V IS
EX
T.
PR
RU
U A
A C
I.
N
L
O
S
V IS
TI M
T
+
U A
IN G
A
HE
PR
L
AL TH
I.
-
TI P
T
4
C R
U
+
IN -U
HE
+
RI NG
S
AL TH
-
I
SE
-
ST AT
3
C R
G ND
N
M J
+
US
IN -U
A
SE
+
-
ST AT
-
TI P
US
M J
+
D S1
2
M N
RI NG
EC 1
ST AT
-
O
US
U
D S1
M N
G ND
EC 1
T
1
D S1
TI P
ST AT
EC 1
+
US
RI NG
-
ST AT
I
US
C R
+
G ND
O C 3
+
N
D S1
-
B
EC 1
-
C R
TI P
D S1
M J
+
EC 1
+
-
RI NG
-
M J
O
M N
+
G ND
U
-
T
A U
M N
D IB
LE
A U
ST AT
D IB
US
C O
LE
BI TS
N S
O LE
C O
IN -U
N S
O LE
SE
ST AT
US
ST AT
US
Issue 01, September 2007
(2) MOUNTING HOLES
677-0054-1
090804
position. See
OFF
Replace EDFA Card
3EM13853AF
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