cab - Produkttechnik GmbH
B-1
Pin 1
Pin 13
Pin 14
Pin 25
Pin
Signal
Function
1
CG
Protective Ground
2
TxD
Transmit Data (RS-232)
3
RxD
Receive Data (RS-232)
4
RTS
Request to send
5
CTS
Clear to send
7
GND
Logic Ground
9
TDATA+
Transmit Data (RS-422, RS-485)
10
TDATA-
Transmit Data (RS-422, RS-485)
18
RDATA+
Receive Data (RS-422, RS-485)
19
RDATA-
Receive Data (RS-422, RS-485)
20
DTR
Data Terminal Ready
Appendix B - Pin Assignment of the Interface Connectors
Pin Assignment of the Serial Interface Connectors
Hermes provides a 25 pin SUB-D connector for the serial interfaces which are
internally available, i.e. RS-232, RS-422 and RS-485.
Table B-1 Signals of the serial interface connector
Fig. B-1 Connector of the serial interface (rear of the printer)