COMMELL LE-37D - Manual (Page 23)

23
Connector: COM2
Type: 10-pin (5 x 2) 1.27mm x 2.54mm-pitch header for COM2
Setting RS-232 & RS-422 & RS-485 for COM2
Connector: COM3/4 COM5/6
Type: 19-pin (2 x 10) header pitch = 2.54x1.27mm
Pin Description Pin Description
1 DCD1 2 RXD1
3 TXD1 4 DTR1
5 GND1 6 DSR1
7 RTS1 8 CTS1
9 RI1 10 N/C
11 DCD2 12 RX2
13 TX2 14 DTR2
15 Ground 16 DSR2
17 RTS2 18 CTS2
19 RI2 20 N/C
Function JCSEL2 JCSEL1
RS-422
RS-485
RS-232
(Default)