Serial Interface Cards
Serial WAN Interface Cards
5
OL-12843-01
Connecting 1- and 2-Port Serial WICs to a Network
Note For connection limitations, see the “1- and 2-Port Serial WICs” section on page 2, and the “2-Port
Asynchronous/Synchronous Serial WIC” section on page 2.
To connect the serial card to the WAN, follow these steps:
Step 1 Confirm that the router is turned off.
On the Cisco MWR 1941-DC router, turn off power by turning OFF the DC power source at the circuit
breaker and taping the circuit breaker into the OFF position.
Caution To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety,
connect the 2-port A/S WAN interface card (WIC-2A/S) only to intra-building or non-exposed wiring or
cabling. The intrabuilding cable must be shielded and the shield must be grounded at both ends.
Step 2 (Optional) Connect the surge protection cable to the connector on the card faceplate. (See Figure 35.)
Step 3 (Optional) Connect one end of the appropriate serial cable to the other connector on the surge protector
cable. (See Figure 35.)
Figure 35 Connecting the Cisco Surge Protector Cable (CAB-SS-SURGE) to a Serial WAN
Interface
Step 4
Connect one end of the appropriate serial cable to the connector on the card faceplate.
Step 5 Connect the other end of the cable to the appropriate type of equipment, as shown in Figure 36.
95969
SEE MANUAL BEFORE INSTALLATION
SERIAL 1
SERIAL 0
CONN
CONN
WIC
2T
Surge protection cable
(CAB-SS-SURGE)
Serial cable
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