User guide

Installing the Cisco 2500 Series Access Server 3-11
Connecting to the Network
Step 2 Connect the synchronous serial ports to the modem or CSU/DSU, as shown in
Figure 3-11. Make certain to connect the 60-pin serial port connector as shown.
Figure 3-11 Connecting Synchronous Serial Cables
H3544
Serial transition
cable
RJ-45 to DB-25 adapter
EIA/TIA-232, EIA/TIA-449, V.35
60-pin serial port
connector
Access server
CSU/DSU or
other DCE