Attaching I/O Cables C-7
1 Connect the RJ-45 end of the cable to the asynchronous port on the
I/O card, then attach the DB-25 end of the cable to the modem as
shown in Figure C-6.
Figure C-6 Connecting a Cable to an Asynchronous I/O Card
Synchronous Card 3Com makes four types of cables to accommodate your network
requirements. Each cable has a DB-50 connector that plugs into the
synchronous I/O card, and a synchronous connector at the other end
for connection to the network.
The four cable types are shown in Table C-1.
SLOT 2
SLOT 1
110-240 VAC
50-60 Hz 1A
UTP
CONSOLE
BNC
BNC/AUI/TPE
ETHERNET
AUI
Table C-1 Types of Synchronous Cables
Cable Type Description
V.35 cable The network connector is a male 34-pin V.35 block
connector for access to modem or data service unit
(CSU/DSU) interfaces.
RS-449 cable The network connector is a male 37-pin RS-449 connector
for access to modem or data service unit (CSU/DSU)
interfaces.
RS-232 cable The network connector is a male 25-pin RS-232 connector
for access to modem or data service unit (CSU/DSU)
interfaces.
ab4kbook Page 7 Thursday, March 27, 1997 11:51 AM
