User`s manual

16 Connectors & Jumpers
Serial Port Connectors (COM1/2)
*Note: See “Jumper Settings” on page 27 for RI/+5V/+12V selection.
VGA Connector.
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_Power,
Ring Indicator / Power*
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