iDP3420/3421/3423 User’sMa nual
32 CITIZEN
10.2 Connector'sPin 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. AnRS-232C signal is basedon the EIA RS -232C.
2. When the data is not being tr ansferred, the received data should be always maintained
asa mark.