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Delta DOP Series HMI Connection Manual|DOP-A/AE/AS Series
Revision January, 2008, Doc. Name: 2007PDD23000007 1-3
DOP AS Series
COM1/COM3
Mode 1 Mode 2
PIN
RS-232
RS-232x2
1 N.C N.C
2 RXD RXD
3 TXD TXD
4 N.C N.C
COM 1
5 GND GND
6 N.C N.C
7 RTS TXD
8 CTS RXD
COM 3
9 N.C N.C
COM2
Mode 1 Mode 2
PIN
RS-422 RS-485
R- RXD- D-
R+ RXD+ D+
T- TXD- D-
T+ TXD+ D+
GND GND
Pin1