Example Of Connection To A Computer - Citizen CLP-2001 User Manual

6.4

Example of Connection to a Computer

When RS-232C is used:
IBM PC compatible
Communication control: XON/XOFF or CTS/DTR
"PC"
(DB25P)
F.GND
TXD
RXD
CTS
S.GND
DSR
DTR
"PC"
(DB9P)
NC
TXD
RXD
CTS
S.GND
DSR
DTR
1
2
3
5
7
6
20
3
2
8
5
6
4
Printer
(DB25P)
1
3
2
20
7
4
5
Printer
(DB25P)
1
3
2
20
7
4
5
6-12
F.GND
RXD
TXD
DTR (Ready/Busy)
S.GND
RTS
CTS
F.GND
RXD
TXD
BUSY
S.GND
RTS
CTS