User guide

3-22 Cisco 2524 and Cisco 2525 Router User Guide
Connecting to the Network
Step 3 If you have a fractional T1/T1 DSU/CSU module, use a straight-through
RJ-48C-to-RJ-48C cable to connect the RJ-48C port to an RJ-48C jack. (See
Figure 3-22.)
Figure 3-22 Connecting the Fractional T1/T1 DSU/CSU Module to an RJ-48C Jack
H5262
RJ-48C jack
SERIAL 1
SERIAL 0
BRI 0
RJ-48C port
Router
Straight-through
RJ-48C cable
TX LB
RX
AL
CD
FTI/TI
DSU/CSU
MON
JACK