Interface Description; Telephone Network Interface; Table B-1. Phone Line Connector Pin Definitions - Telebit T3000 Reference Manual

Interface Description B
Telephone Network Interface
The modem is connected to the telephone network
through an RJ-11 modular connector. Table B-1
presents a definition of the pins in the line connector.
Table B-1. Phone Line Connector Pin Definitions
PIN LINE PHONE
1 Not Used Not Used
2
A or MI Al or MIC
3 Ring Tip
4
Tip Rmg
5
Al or MIC A or MI
6
Not Used Not Used
Before the modem can use the NAl or Ml/MIC
function, the hardware jumpers on the modem board
need to be properly positioned. Figure B-1 shows the
location of the jumpers on the board and the position
of the jumpers for the Ml/MIC function. To use the
A/Al function, move the jumper to the opposite
position.
Set the &J command to enable the selected function.
Interface Description B-1