Cisco 7100 Series Quick Start Manual page 12

Connect the Router to the Network
(continued)
10
Connect the ATM T3 or E3
Ports
The T3 port supports full-duplex operation
at T3 (45-Mbps) speeds. The E3 port
supports full-duplex operation at E3
(34-Mbps) speeds. Use a 75-ohm coaxial
cable to connect to a T3 or E3 ATM serial
network. Serial cables conform to
EIA/TIA-612 and EIA/TIA-613
specifications. The T3 and E3 serial ports on
the router are considered to be DTE devices.
5
I DS3 TX
EN RX
CEL CAR ALM
Serial 1/0
To ATM T3 network
equipment
RX
1
Attach a 75-ohm coaxial cable directly
to the receptacle on the router.
2
Attach the network end of the cable to
the external synchronous serial
equipment.
Note: The E3 coaxial cable (not shown)
comes with an attached ferrite bead.