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Installing PRI Network Modules in a Chassis Slot
Caution
damaging the module, before you insert a network module into a chassis slot, you must turn OFF
electrical power and disconnect network cables.
The following instructions apply only to installing network modules in a chassis slot. To install a
WAN interface card in a network module, see the configuration note for the WAN interface card.
You can install network modules in the chassis either before or after mounting the router, whichever
is more convenient.
Note
(BRI) network module or a BRI WAN interface card. This configuration is not supported.
Follow this procedure to install a network module:
Step 1
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
Step 3
Step 4
Step 5
Step 6
Network modules do not support online insertion and removal (hot swap). To avoid
Do not install a PRI network module in the same chassis as an ISDN Basic Rate Interface
Turn OFF electrical 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
Using either a number 1 Phillips screwdriver or a small flat-blade screwdriver, remove the
blank filler panel from the chassis slot where you plan to install the module. Save the
blank panel for future use.
Align the network module with the guides in the chassis and slide it gently into the slot.
Push the module into place until you feel its edge connector mate securely with the
connector on the motherboard.
Fasten the module's captive mounting screws into the holes in the chassis, using the
Phillips or flat-blade screwdriver.
If the router was previously running, reinstall the network interface cables and turn ON
power to the router.
Installing PRI Network Modules in a Chassis Slot
1-Port and 2-Port ISDN-PRI Network Module Configuration Note
7
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