Gator
www.gatorcn.com China
4.3 Expanding interface 2
Handset
Description
pin
color
function explanation/connection method
1
red
Power positive output, 5VDC
2
yellow
RXD, serial input, RS-232 level, the baud rate 19200bps;
3
green
TXD, serial output, RS-232 level, the baud rate 19200bps;
4 orange
Detectaphone positive input, MIC
＋
(with Orange line lead with
the monitor DC)
5
white
Detectaphone negative input, MIC
－
6
blue
Headphone positive output, SP
＋
7
brown
Headphone negative output, SP
－
8
black
Power negative output
