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TMTM
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Cable Connector Definitions
RS-232 Communication Port
The RS-232 Communication Port is configured in a 9-pin “D” male connector with the following
pin out:
RS-232 Pin Out
1: N/C 6. N/C
2: Data from Modem 7. N/C
3: Data to Modem 8. N/C
4: N/C 9. N/C
5: GND
RS-485 Communication Port
The RS-485 Communication Port is configured in a 25-pin “D” female connector that with the
following pin out:
RS-485 Pin Out
1: N/C 10: N/C 18: N/C
2: -RS-485 11: N/C 19: N/C
3: -RS-485 12: N/C 20: N/C
4: N/C 13: N/C 21: N/C
5: N/C 14: +RS-485 22: N/C
6: N/C 15: N/C 23: N/C
7: GND 16: +RS-485 24: N/C
8: N/C 17: N/C 25: N/C
9: N/C
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