CyberResearch CPBH 用户手册
CyberResearch
®
CPU Cards
CPBH Series
CyberResearch, Inc.
17
25 Business Park Drive
P: (203) 483-8815; F: (203) 483-9024
Branford, CT USA
www.cyberresearch.com
z CN14: COM4 Connector (5x2 Header)
PIN Description PIN Description
1
DCD3
2
DSR3
3
RXDD3
4
RTS3
5
TXDD3
6
CTS3
7
DTR3
8
RI3
9
GND
10
N/C
2
4
6
8
10
1
3
5
7
9
DSR3
RTS3
CTS3
N/C
RI3
DCD3
RXDD3
TXDD3
GND
DTR3
The onboard COM2 may be configured as RS-232, RS-422, or
RS-485.
RS-485.
z CN11: RS-422/485 Connector (5x2 Header)
PIN Description PIN Description
1
TX-
2
TX+
3
RX+
4
RX-
5
GND
6
RTS-
7
RTS+
8
CTS+
9
CTS-
10
N/C
2
4
6
8
10
1
3
5
7
9
TX+
RX-
RTS-
N/C
CTS+
TX-
RX+
GND
CTS-
RTS+
z JP1/JP2/JP4/JP5: COM2 Use RS-232 or RS-422/485 Select
Options
Settings
RS-232 (default)
Short 2-3
RS-422/485
Short 1-2
1
3
3.12 IrDA Connector
CN4 is a 5-pin internal FIR communication connector for connection of
an IrDA device.
an IrDA device.
z CN4: IrDA Connector
PIN
Description
1
VCC
2
N/C
3
IRRX
4
GND
5
IRTX
VCC
N/C
IRRX
IRTX
1
GND
2
3
4
5