3Com 3C13886 - Router OC-3 ATM SML Flexible Interface Card Installation Manual page 22

3Com Router Module Guide
At one end of these cables is DB50 connector for the connection to a router, and at the
other end (network end) is a connector whose type varies by the network device (or
line type) to be connected.
Caution:
The four types of cables listed above are optional, which must be selected while purchasing the
ROUTER 1-PORT SERIAL SIC. Otherwise they will not be supplied.
V.24 (RS232) DTE cable
Figure 2-5 V.24 (RS232) DTE cable
V.24 (RS232) DCE cable
Figure 2-6 V.24 (RS232) DCE cable
V.35 DTE cable
Chapter 2 Smart Interface Cards
2-7