Cisco Cisco 1900 2900 3900 Series 8-Port Gigabit Ethernet HS-WIC with PoE Installation Guide
Connecting Cisco DSU/CSU High-Speed WAN Interface Cards
T1/FT1 DSU/CSU HWICs
4
Cisco IOS Release 12.4(20)T
OL-14875-01
Grounding
Ensure that the equipment you are working with is properly grounded. For instructions on grounding
your HWIC, see the
your HWIC, see the
document.
Cables
Use a straight-through RJ-48C–to–RJ-48C cable to connect a T1/FT1 DSU/CSU HWIC to a network.
Connecting a T1/FT1 DSU/CSU HWIC to a Network
To connect a T1/FT1 DSU/CSU HWIC to a network, follow these steps:
Step 1
Confirm that the router is turned off.
Step 2
Connect one end of the straight-through RJ-48C–to–RJ-48C cable to the RJ-48C port on the T1/FT1
DSU/CSU HWIC.
DSU/CSU HWIC.
Step 3
Connect the other end of the cable to the T1 wall jack, as shown in
Figure 3
Connecting the T1/FT1 DSU/CSU HWIC to a T1 Wall Jack
1
T1 port (RJ-48C)
3
T1 (RJ-48C) wall jack
2
Straight-through RJ-48C–to–RJ-48C cable
SEE MANUAL
BEFORE
INSTALATION
LP
AL
CD
LOOP
BACK
T1 DSU/CSU
HWIC
1DSU
T1
232071
1
3
2