User guide

Appendix Chapter 8
136 VideoJet 8000
RS232/RS422/RS485 interface
Options for using the serial interface include transparent data transfer, control of
connected devices or operation of the unit with a terminal program. Depending
on the setting, the interface works with the RS232 or RS422/485 protocol. The
protocol used depends on the current configuration (see page 101).
RJ45 connector pin assignments
The pin assignments depend on the protocol used.
Pin RS232 Protocol RS422/485 Protocol
1 RxD (receive data) RxD+ (receive data plus)
2 CTS (clear to send) RxD- (receive data minus)
3– –
4– –
5 GND (ground) GND (ground)
6– –
7 TxD (transmit data) TxD- (transmit data minus)
8 RTS (ready to send) TxD+ (transmit data plus)