User's Manual

Table Of Contents
Hardware Interfaces
D-5
Table D-3 RS-232B/TDM Connector Parameters
Pin Signal Description
1 TXD Transmit Data
2 RXD Receive Data
3 DTR Data Terminal Ready (not connected)
4 RTS Request to Send
5 CTS Clear to Send
6 GND Ground
7 TDM + TDM positive signal
8 TDM - TDM negative signal
Table D-4 RS-232 Diagnostics Connector Parameters
Pin Signal Description
1 5V PWR 5V power supply for I/O board
2 GND GND
3 I/O Signal 1
4 I/O Signal 2
5 I/O Signal 3
6 I/O Signal 4
7 Tag in Field 1 Contact Closure 1 for Tag in Field Signal
8 Tag in Field 2 Contact Closure 2 for Tag in Field Signal