Citizen Systems iDP-3423 CBM Star ECS/POS TXD RXD RTS DSR GND PE HI-LEVEL RCH Fault, DTR Reset

iDP-3420/3421/3423 User’s Manual

10.2 Connector's Pin Configuration

Mode	CBM	STAR	ECS/POS
No.
1	FG	¬	¬
2	TXD	¬	¬
3	RXD	¬	¬
4		RTS	¬
5
6			DSR
7	GND	¬	¬
8
9
10
11	PE (HI-LEVEL)	RCH
12	FAULT
13		GND
14		FAULT
15		mTXD
16		mRXD
17
18
19
20	DTR	¬	¬
21
22

23RESET

25

Cautions: 1. An RS-232C signal is based on the EIA RS-232C.

2.When the data is not being transferred, the received data should be always maintained as a mark.

47 CITIZEN