Connecting Interface Cables - Citizen Water Filtration Systems Benutzerhandbuch

3.2 Connecting Interface Cables

1. Turn off the power.
2. Orient the interface cable correctly and insert it into the interface connector.
Serial interface
CAUTION
When disconnecting the cable, always hold the connector.
Be careful not to insert the USB interface cable into the cash drawer kick-out
connector.
To connect more than one printer to a single computer via a USB interface you must
change the serial number of the USB interface.
Use a serial interface cable with the connection layout shown below.
CAUTION
Place the interface cable so people do not trip on it.
9-pin (female) - 9-pin (female) cable
PC
Signal Pin
RXD 2
TXD 3
DTR 4
SG 5
DSR 6
RTS 7
CTS 8
— 19 —
USB interface
Printer
Pin Signal
2 RXD
3 TXD
4 DTR
5 SG
6 DSR
7 RTS
8 CTS