OnCell G2100 Series User’s Manual Introduction
1-5
Pin Assignments
54321
9
687
DB9 (Female) for RS-232
15
Terminal Block for RS-422/485
Pin RS-232 RS-422*
RS-485*
(4-wire)
RS-485*
(2-wire)
1 DCD TxD+ TxD+ ---
2 TxD TxD- TxD- ---
3 RxD RxD+ RxD+ Data + (B)
4 DSR RxD- RxD- Data – (A)
5 GND --- --- ---
6 DTR --- --- ---
7 CTS --- --- ---
8 RTS --- --- ---
*RS-422 and RS-485 are available on the OnCell G2150I only
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