User`s manual
16 Connectors & Jumpers
Serial Port Connector (COM2)
VGA Connector.
Audio I/O port
The three-jack audio I/O supports Line-In, Line-Out, and Mic-In
functions. The Line-In jack (blue) connects to an audio source
such as tape recorders, etc. The green Line-Out port connects a
speaker or headphone, while the pink Mic-In jack connects a
microphone.
Pin # RS-232
1 DCD, Data Carrier Detect
2 RXD, Receive Data
3 TXD, Transmit Data
4 DTR, Data Terminal Ready
5 GND, ground
6 DSR, Data Set Ready
7 RTS, Request to Send
8 CTS, Clear to Send
9 RI, Ring Indicator
Signal Name Pin # Pin # Signal Name
Red 1 2 Green
Blue 3 4 VCC pull-up
GND 5 6 GND
GND 7 8 GND
VCC 9 10 GND
VCC pull-up 11 12 DDC2B DATA
HSYNC 13 14 VSYNC
DDC2B CLK 15