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Follow this procedure to install the WAN interface card in the 2-slot network module:
Step 1
If the 2-slot network module has already been installed in the router chassis, turn OFF
power to the router. However, to channel ESD voltages to ground, do not unplug the
power cable. Remove all network interface cables, including telephone cables, from the
rear panel.
The following warning applies to routers that use a DC power supply:
Before performing any of the following procedures, ensure that power is removed from
Warning
the DC circuit. To ensure that all power is OFF, locate the circuit breaker on the panel board that
services the DC circuit, switch the circuit breaker to the OFF position, and tape the switch handle of
the circuit breaker in the OFF position. (To see translated versions of this warning, refer to the
Regulatory Compliance and Safety Information document that accompanied the router.)
Step 2
Using either a number 1 Phillips screwdriver or a small flat-blade screwdriver, remove the
blank filler panel from the slot in the 2-slot network module where you plan to install the
card. Save the blank panel for future use.
Step 3
Align the card with the guides in the 2-slot network module and slide it gently into the
WAN interface card slot. (See Figure 4.)
Figure 4
Installing a BRI WAN Interface Card in a 2-Slot Network Module
2 E
2 W W 1
B 1
B 2
B R I
S /T
BRI S/T
WAN interface card
Step 4
Push the card into place until you feel its edge connector mate securely with the connector
in the 2-slot network module.
Step 5
Fasten the card's captive mounting screws into the holes in the 2-slot network module
faceplate, using the Phillips or flat-blade screwdriver.
Step 6
If the router was previously running, reinstall the network interface cables and turn ON
power to the router.
The following warning applies to routers that use a DC power supply:
Installing a BRI WAN Interface Card in a Router
E T H 1
E T H E R
N E T 0
W O
A U I
E N
Module
7
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