User guide

AR-B1893 User’s Guide

•

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)

AR-B11893 Pentium M inside (With VGA)

with On Board DDR, 4 Port built in LAN, 1 Mini PCI, 1 CF

•

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