
•Connect a synchronous serial port to a modem or a CSU/DSU with a serial transition cable. (See Figure 30 and Figure 31.)
Figure 30 Connecting a Serial Port on the Cisco AS5350XM Universal Gateway to a CSU/DSU
35675
Synchronous serial  | Internet | 
port   | 
Serial
CSU/DSU or
transition
cable
other DCE or DTE
Figure 31 Connecting a Serial Port on the Cisco AS5400XM Universal Gateway to a CSU/DSU
30846
Synchronous serial  | Internet  | 
port   | 
Serial
CSU/DSU or
transition
cable
other DCE or DTE
24