Table A.3: UNO-2170 Connectors and Jumpers
Label
Function
CN1
Phoenix power connector
CN2
Ethernet port 1
CN5
Ethernet port 2
CN3
COM1 RS-232 serial port
CN4
COM2 RS-232 serial port
CN14
COM3 RS-232/422/485 serial port
CN15
COM4 RS-232/422/485 serial port
CN6
USB connector
CN7
PS/2 keyboard and mouse connector
CN8
Primary IDE connector
CN9
Secondary IDE connector
CN16
PC/104 slot
CN12
Printer port
CN11
VGA DB15 display connector
CN13
PC card slot
JP4
COM3 RS-232/422/485 selection
JP5
COM4 RS-232/422/485 selection
JP6
Terminator resistor (120 ohm) for COM3/COM4 (RS-422/
485)
JP7
System grounding jumper
SW1
Reset button
SW3
COM3/COM4 RS-422 master/slave selection
SW4
Share IRQ/Independent IRQ selection /Speed selection
25
Appendix A
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