Cisco 2611 - Router - EN - Page 35

Preparing to Install the Router 2-21
Serial Connections
Figure 2-13 shows the serial transition cables you can connect to the DB-60 port on the
asynchronous/synchronous serial modules and serial WAN interface card.
Figure 2-13 Serial Interface Adapter Cables
Router connections
EIA/TIA-449 V.35 X.21
Network connections at the modem or CSU/DSU
H2485
EIA/TIA-232 EIA-530