Table 5-7. Audio Jack Connector Pin Definition; Table 5-8. Com2 Rs232/422/485 Serial Port Connector Pin Definition - Quanmax KPC-1910 Series User Manual

Audio Jack Connector (DM1: audio jack connector):
COM2: RS-232/422/485 Serial Port Connector (D-Sub 9-pin male):
PIN SIGNAL
RS-232 ： DCD
RS-422 ： TX+
1
RS-485 ： RTX+
RS-232 ： TXD
RS-422 ： TX-
3
RS-485 ： RTX-
GND
5
RTS
7
RI
9

Table 5-8. COM2 RS232/422/485 Serial Port Connector pin definition

KPC-1910 Series User's Guide
COLOR SIGNAL
Pink
Blue Line-out
Green

Table 5-7. Audio Jack Connector pin definition

PIN
2
4
6
8
10
MIC_In
Line_In
SIGNAL
RS-232 ： RXD
RS-422 ： RX+
RS-485 ： N/A
RS-232 ： DTR
RS-422 ： RX-
RS-485 ： N/A
DSR
CTS
NC
External Connectors 5-5