Magtek MT-95, Installation And Operation Manual

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APPENDIX A. PIN LISTS
The pin list for Cable DE-9P to DE-9S is shown in Table A-1 and for DE-9P to DB-25S in
Table A-2. A diagram for DE-9 connector on the rear of the unit (marked "MODEM") is shown
in Figure A-1.
Figure A-1. DE-9 Connector
Table A-1. Cable DE-9P to DE-9S (21015823)
Encoder
Pin Number
Computer
Pin Number
Description
2 RXD 3 TXD TXD - Transmit Data. Data out of a PC that goes to the input of an
external device.
3 TXD 2 RXD RXD - Receive Data. Data into a PC from an external device.
4 DTR 6 DSR DSR- Data Set Ready - An input to the PC from the device. This is an
RS-232 control line indicating that the device is ready to communicate
with the PC.
5 Gnd 5 Gnd Ground
6 DSR 4 DTR Data Terminal Ready - An output from the PC that goes to the device.
This is an RS-232 control line indicating that the PC is ready to
communicate with the device.
7 RTS 8 CTS Clear to Send (not used)
8 CTS 7 RTS Request to Send (not used)
Table A-2. Cable DE-9P to DB-25S (21015821)
Encoder Pin
Number
Computer
Pin Number
Description
2 RXD 2 TXD TXD - Transmit Data. Data out of a PC that goes to the input of an
external device.
3 TXD 3 RXD RXD - Receive Data. Data into a PC from an external device.
4 DTR 6 DSR DSR- Data Set Ready - An input to the PC from the device. This is an
RS-232 control line indicating that the device is ready to communicate
with the PC.
5 Gnd 7 Gnd Ground
6 DSR 20 DTR Data Terminal Ready - An output from the PC that goes to the device.
This is an RS-232 control line indicating that the PC is ready to
communicate with the device.
7 RTS 5 CTS Clear to Send (not used)
8 CTS 4 RTS Request to Send (not used)
1 5
6 9