Citizen Systems CBM-231 manual Dtr

CBM-230/231 User’s Manual

7.2Connector's Pin Configuration

No.	Signal Name	Input/Output	Function
1	FG		Frame Grand
7	GND		Signal GND
3	RD	Input	Receiving data
20	DTR	Output	Printer BUSY signal
2	TD	Output	Transmission data
6	DSR	Input	Data set ready

[Cautions] 1. RS-232C signals are based on the EIA RS-232C.

2. When no data is being transferred, the receive data should be always maintained in the mark state.

Applicable connectors (D-Sub connectors)

Printer side	: 17LE-13250 (Equivalent to DDK)
Cable side	: 17JE-23250 (Equivalent to DDK)

21 CITIZEN