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Tracer 2000 DVR user manual
Version 3.0 Page 20 of 36
COM 1 Connector
1
6
5
9
RS-232 Connector (COM1)
Pin no. Signals
1 DCD
2 RX
3 TX
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
COM2 Connector
1
6
5
9
RS-232/RS-422/RS-485 Connector (COM2) (Please setup mode type by JP3)
Pin no. RS-232 RS-422 RS-485
1 DCD TX- DATA-
2 RX TX+ DATA+
3 TX RX+
4 DTR RX-
5 GND GND GND
6 DSR RTS +
7 RTS RTS -
8 CTS CTS +
9 RI CTS -