Cisco 1601 - Router - EN Hardware Installation Manual page 47

Installing Cisco Interface Cards in Cisco Access Routers
Installing Single-Wide Interface Cards
WAN interface cards and voice interface cards are not interchangeable. Voice interface cards cannot be
Caution
installed in a WAN interface card slot or a 2-slot WAN network module, and WAN interface cards cannot
be installed in voice network modules. To prevent damage to the card, confirm that the slot or network
module you intend to use supports the kind of interface card you intend to install.
Interface cards can be installed either before or after mounting the router, whichever is most convenient.
To install a single-wide interface card, follow these steps:
Turn off electrical power to the router. Leave the power cable plugged in to channel ESD voltages to
Step 1
ground.
(For the Cisco MWR 1941-DC router) Turn off power by turning the DC power source circuit breaker
to OFF. Tape the circuit breaker in the OFF position. To channel ESD voltages to ground, do not remove
the wire from the ground lug.
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
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
Remove all network cables, including telephone cables, from the router.
Step 2
To prevent damage to the interface card, turn off electrical power and disconnect network cables from
Caution
the chassis before inserting an interface card into an installed network module or router slot.
Remove blank faceplates installed over the slot you intend to use. (See the
Step 3
section on page
Save blank faceplates for future use.
Tip
(For certain Cisco routers) Prepare the slot for the interface card form factor you are installing. (See the
Step 4
"Preparing Cisco Router Slots for Interface Card Installation" section on page
Align the interface card with the guides in the chassis walls or slot divider and slide it gently into the
Step 5
slot (see
Caution Do not touch the interface card board. Handle the interface card by the edges of the faceplate to reduce
the risk of damage to the card.
(For Cisco 2600 series routers only) Install WAN interface cards in slot W0 first to avoid affecting your
Tip
router configuration.
8.)
Figure 25).
Installing Cisco Interface Cards in Cisco Access Routers
"Removing Blank Faceplates"
6.)
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