AXIOMTEK SBC86808 Series, Руководство пользователя

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SBC86808 Pentium
®
M All-in-One Mini ITX Board User’s Manual
Jumpers and Connectors
23
The COM2 RS-422/485 pin assignment
Description Pin
R2-422 RS-485
1 TX- DATA-
2 TX+ DATA+
3 RX+ No connector
4 RX- No connector
COM4 Port Connectors: CN16
The RS-232 pin assignments are listed on the following table.
Pin Description Pin Description
1
Data Carrier Detect
(DCD)
2
Data Set Ready (DSR)
3 Receive Data (RXD) 4 Request to Send (RTS)
5 Transmit Data (TXD) 6 Clear to Send (CTS)
7
Data Terminal Ready
(DTR)
8 Ring Indicator (RI)
9
Ground (GND)
10
NC
CN16
2 4 6
1 3 5 7
8
9
10
2.4.16 VGA Connector: VCOM1
VCOM1
is a standard 15-pin pin header connector commonly used
for the CRT VGA display.
VCOM1: CRT/VGA Connector Pin Assignment
Pin Description Pin Description Pin Description
1
Red
2
Green
3
Blue
4 N/A 5 GND 6 AGND
7
AGND
8
AGND
9
N/A
10
GND
11
N/A
12
DDC DAT
13
Horizontal Sync
14
Vertical Sync
15
DDC CLK