Cisco CISCO2650 - 2650 Router Hardware Installation Manual page 213

Chapter 16 Connecting High-Density Analog Telephony Network Modules
Note
For each expansion module, two mounting screws must be installed with 6-8 lbs-in (67.8 N-cm) of
Caution
torque. Failure to properly secure the expansion module to the base module with two screws
compromises product reliability. In the case of FXO ports, failure to properly tighten both mounting
screws causes FXO ground-start outgoing call operation to fail.
Step 3 Insert the screws from the hardware kit through the port expansion module into the brackets on the
network module.
Failure to secure the expansion module to the base module with two screws defeats the earth ground,
Warning
causing a potential safety hazard. Statement 347
Figure 16-4 Installing a Port Expansion Module
EM 0 installed
on this side
N M
-
H D
A
Apply the appropriate label on the front of the card, as shown in
Step 4
Step 5 Install the network module into the router, as described in the
Cisco Access Routers" section on page
OL-2485-20
Be sure to press firmly on the port expansion module until the board seats securely on the
connector.
P o
r t
#
1 -
T y
p e
4
4
F X
5 -
S
1 4
1 5
-
2 4
2 6
1
5 0
2 5
A C
T
E N
EM 1 installed
on this side
2-5.
Cisco Network Modules Hardware Installation Guide
Adding Port Expansion Modules
Figure 16-5.
"Installing Cisco Network Modules in
16-5