1 rs485 terminator select (j10), 2 comc rs232/485 select (jp7/jp9), 3 external battery connector select (j11) – Acrosser AR-B1661 User Manual
Page 8: 4 support riser card (jp1), 5 voltage select
AR-B1661 Manual
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1 2 3
2.2.1 RS485 Terminator Select (J10)
1 2
2.2.2 COMC RS232/485 Select (JP7/JP9)
JP7
JP9
2.2.3 External Battery Connector Select (J11)
1 2 3
J11
2.2.4 Support Riser Card (JP1)
This 3-pins jumper will decide the BUS1 support a PCI CARD or a Riser Card (such AR-B1550).
2.2.5 Voltage Select
LVDS Voltage Select (JP2)
1
3
5
2
4
6
(LCD1P) (LCD2P) Bit Voltage Select
1
3
5
2
4
6
Pin
Function
NOTE
ON RS485
OFF RS232
Factory
Pin
Function
JP7
RS232
(Factory)
JP9 RS485
PIN
Function
NOTE
1-2 EXTERNAL
BATTERY
2-3 INTERNAL
BATTERY
Factory
Jumper
Function
1-2
For Riser Card
2-3 Factory
Preset
Jumper
VOLTAGE
1-3
2-4
VCC
(Factory Preset)
3-5
4-6
VCC3
Jumper
VOLTAGE
1-3
2-4
VCC 3
(Factory Preset)
3-5
4-6
VCC