AR-B1893CM6C User’s Guide
AR-B1893CM6C Celeron M inside
with DDR SO DIMM, 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
