Delta Electronics DOP-A/AE/AS RXD (2) (3) TXD TXD (3) GND (5), (2) RXD (4) GND

Delta DOP Series HMI Connection Manual|DOP-A/AE/AS Series
1-132 Revision January, 2008, Doc. Name: 2007PDD23000007
C. Connections (Connector Pinouts)
RS-232
(PROGRAMMER PORT)
DOP
9 pin D-SUB male(RS-232)
Controller
USB TAPE A Connector
Controller
USB TAPE A Connector
RXD (2) (3) TXD
TXD (3)
GND (5)
(2) RXD
(4) GND
Top View
(COM PORT)
DOP
9 pin D-SUB male (RS-232)
Controller
9 pin D-SUB female (RS-232)
Controller
9 pin D-SUB female (RS-232)
RXD (2) (3) TXD
TXD (3)
GND (5)
(2) RXD
(5) GND
Top View
4 3 2
Pin1