
Chapter 2: Installation
52
8. Use a Phillips head screwdriver to tighten the captive screws on the
line card, as shown in Figure 25.
Figure 25. Tightening the Captive Screws
Note
Always tighten the captive screws to secure the line card to the
chassis. This helps ensure that the fiber optic connectors at the back
of the line card are securely connected to the backplane.
9. Repeat this procedure to install additional line cards.
2
3
4
5
6
SFP
SYNC
TX
RX
LIN
E
R
DY
TX
RX
TRIB
AT-LX3811/3
SFP
SYNC
TX
R
X
LINE
R
DY
TX
RX
TR
IB
AT-LX3811/4
TRIB
RD
R
TR
IB
X3811/2
SFP
SYNC
TX
RX
LIN
E
SFP
S
YNC
TX
RX
LINE
R
DY
TX
R
X
TRIB
AT-LX3811/6
SFP
SYN
C
TX
R
X
LINE
R
DY
TX
R
X
TRIB
AT-LX3811/5
140
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