COMMELL MPX-954E - Manual (Page 6)

MPX-954E User’s manual
5
Connector Reference
Connector: CN_COM1/2(RS232)
Type: H14H-20PIN
Connector: CN_COM3/4(RS422/485)
Type: H14H-10PIN
(RS-422)
(RS-485)
Com3 RTX- Data- : short Pin1& Pin4
Com3 RTX+ Data+ : short Pin2& Pin3
Com4 RTX- Data- : short Pin6& Pin9
Com4 RTX+ Data+ : short Pin7& Pin8
Pin Description Pin Description
1 DCD_E0 2 SIN_E0
3 SOUT_E0 4 DTR_E0
5 GND 6 DSR_E0
7 RTS_E0 8 CTS_E0
9 RI_E0 10 NC
11 DCD_E1 12 SIN_E1
13 SOUT_E1 14 DTR_E1
15 GND 16 DSR_E1
17 RTS_E1 18 CTS_E1
19 RI_E1 20 NC
Pin Description Pin Description
1 RXDC1- 2 RXDC1+
3 TXDC1+ 4 TXDC1-
5 GND 6 RXDC2-
7 RXDC2+ 8 TXDC2+
9 TXDC2- 10 GND
RS232 RS232 2 x RS422/RS485
1 5
6 9
1 5 1 5
6 9 6 9