Specifications

38 MB-662 User Manual
COM1 (CN32)
COM1 RS-232 (CN32)
Pin Signal Pin Signal
1 DCDA 6 DSRA
2 RXDA 7 RTSA
3 TXDA 8 CTSA
4 DTRA 9 DTRA
5 GND 10 GND
COM4 (CN31)
COM4 RS-232/422/485 (CN31)
Pin Signal Pin Signal
1 DCDB 2 DSRB
3 RXDB 4 RTSB
5 TXDB 6 CTSB
7 DTRB 8 IRIB
9 GND 10 N/C
11 485TXD+ 12 485TXD-
13 422RXD- 14 422RXD-