Cisco CISCO2650 - 2650 Router Hardware Installation Manual page 163

Chapter 9 Connecting Digital Modem Network Modules
Removing the Digital Modem Network Module
Digital modem network modules do not currently support online insertion and removal (hot swap) of
Caution
network modules. To avoid damaging the module, you must turn off electrical power and disconnect
network cables before you remove it from the chassis slot.
To remove a digital modem network module, follow these steps:
Turn off electrical power to the router. However, to channel ESD voltages to ground, do not unplug the
Step 1
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:
Warning Before performing any of the following procedures, ensure that power is removed from 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. Statement 7
Loosen the modules captive mounting screws, using a Phillips or flat-blade screwdriver.
Step 2
Hold the captive screws between two fingers, and pull the network module toward you until it slides free
Step 3
of the chassis. (See
Set the network module on an ESD-preventive mat.
Step 4
Figure 9-3
cT1
PRI
3
ETHERNET
4E
1
OL-2485-20
Figure 9-3.)
Removing a Digital Modem Network Module from a Router
DIGITAL MODEMS
CTRLR 0
ETH 3 ETH 2
ETH 1
ETH 0
3 2 1
0
LINK
ACT
Adding 6-Port MICA Modules to a Digital Modem Network Module
EN
MICA
MICA
MICA MICA
MICA
2E
BANK 0 BANK 1
BANK 2 EN
2W W1 BANK 3 BANK 4
STP
EN
ETHERNET 1
ETHERNET 0
Cisco Network Modules Hardware Installation Guide
2
SERIAL
AUI
EN
INPUT 100-240V AC 50/60HZ 3.0-1.5 AMPS
9-5