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iDP3550/3551 User’s Manual
33
CITIZEN
10.2 Connector's Pin Configuration
Mode
No.
CBM Star ECS/POS
1FG ←←
2TXD ←←
3RXD ←←
4RTS←
5
6DSR
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
23 RESET
24
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.