AR-B1893 User’s Guide
AR-B11893 Pentium M inside (With VGA)
with On Board DDR, 4 Port built in LAN, 1 Mini PCI, 1 CF
13
•
COM1 : DB-9 Male
PIN NO.
DESCRIPTION
1
DATA CARRIER DETECT (DCD)
2
RECEIVE DATA (RXD)
3
TRANSMIT DATA (TXD)
4
DATA TERMINAL READY (DTR)
5
GROUND
6
DATA SET READY (DSR)
7
REQUEST TO SEND (RTS)
8
CLEAR TO SEND (CTS)
9
RING INDICATOR (RI)
•
COM2 : 10-pin Connector
PIN NO.
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
10
NC
•
JCOM2 : 4-pin Connector for RS-422 / RS-485
PIN NO.
For RS-422
For RS-485
1
TX+
RTX+
2
TX-
RTX-
3
RX+
4
RX-
•
CN6: 7-pin Connector for LCD Display
PIN NO.
Description
1
VCC
2
VCC
3
TRANSMIT DATA (TXD)
4
RECEIVE DATA (RXD)
5
REQUEST TO SEND (RTS)
6
CLEAR TO SEND (CTS)
7
GROUND
Note
: if CN6 is used, COM2 connector can’t be used
2
1
10
9
1
4
1
7
