Hardware standard RS 232-C
Pro8000 system / page
18
If you have a newer version with a 9-pin male connector you need a null modem
cable shown in the diagram:
The control computer and the PRO8 are connected via 9pin D-SUB null modem
cable with the following pinning.
If your control PC does not support DSR/DTR signaling you have to use a null
modem cable which is connected like shown below.
Figure 3
RS232C connection cable
2 RXD
2 RXD
Received Data
3 TXD
3 TXD
Transmitted Data
7 RFR
7 RFR
Ready for receiving
8 CTS
8 CTS
Clear to send
5 GND
5 GND
Signal Ground
4 DTR
4 DTR
Data terminal ready
1 RLSD
1 RLSD
Received line signal detector
6 DSR
6 DSR
Data set ready
9 NC
9 NC
Not connected
PC PRO8000
2 RXD
2 RXD
Received Data
3 TXD
3 TXD
Transmitted Data
7 RFR
7 RFR
Ready for receiving
8 CTS
8 CTS
Clear to send
5 GND
5 GND
Signal Ground
4 NC
4 DTR
Data terminal ready
1 NC
1 RLSD
Received line signal detector
6 NC
6 DSR
Data set ready
9 NC
9 NC
Not connected
PC PRO8000
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