Cables, Connectors, and Pin Assignments
LAN Adapter and Cables
T1 Network Interface Cable
E-4
The LAN adapter is ordered along with the appropriate cable. Be sure to specify
whether you need a Token Ring or an Ethernet LAN Adapter.
The following shows the pin assignments for the cable between the LAN Adapter
(LAN A) and the T1 access unit's COM port or COM Port-to-PC Adapter.
COM
(DCE)
Port
Tx Clock
1
Rx Data
2
Signal Ground
3
Tx Data
4
DTR
5
CD
6
RTS
7
Rx Clock
8
Network access is via a 14-foot cable with an RJ48C unkeyed plug-type
connector on each end. The following table shows pin assignments and the
purpose of each.
Function
Receive ring from the network
Receive tip from the network
Transmit ring to the network
Transmit tip to the network
September 1997
(DTE)
LAN A
1
Unused
2
DTR
3
Tx Data
4
Signal Ground
5
Rx Data
6
CTS
7
Frame Ground
8
Unused
496-14908
Circuit
Pin Number
R1
1
T1
2
R
4
T
5
9161-A2-GH30-20