
UNO-2174A/2178A User Manual 30
Table A.2: UNO-2174A/2178A Connectors and Jumpers
Label Function
FS1 Fuse for input DC power
CN26
CN32
PCI Express mini Card Socket
CN33 SATA signal connector
CN34 SATA power connector
SW11 Switch for terminal resistor of COM1, 2
SW10 Switch for terminal resistor of COM A
SW9 Switch for terminal resistor of COM B
SW6 Switch for terminal resistor of COM 3-6
SW4 Switch for COMA/COMB RS-422 master/slave selection
JP2 Clear CMOS
BH1 Battery for RTC
JCOM1-6 RS-232/485 selection for COM1-6
JCOM A RS-232/422/485 selection for COM A
JCOM B RS-232/422/485 selection for COM B
SATA Sata HD Data connector
Power Sata HD Power connector
CN29 Connector for PC/104+ & PCI-104 expansion board
JP1 System power AT or ATX selection
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