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Appendix A
Table A.1: UNO-2050E Connectors & Jumpers
CN2
Internal IDE connector
CN3
Phoenix power connector
CN4
Internal CompactFlash card slot
COM1
COM1 standard RS-232 serial port
COM2
COM2 standard RS-232 serial port
CON1
COM3&4 Isolated 5-wire RS-232/422/485 serial connector
CON2
Isolated digital output connector
D6
Power IDE LED
D7
Power LED
D20
Diagnostic LED
J1
Reset button
JP2
System grounding mode
JP3
CompactFlash IDE Primary Master/Slave jumper
JP4
COM3 5-wire RS-232/422/485 selection
JP5
COM4 5-wire RS-232/422/485 selection
JP7
RS-422/485 terminal resistor setting
JP9
Isolated digital input connector
JP11
Digital output power on configuration
KM1
PS/2 keyboard and mouse connector
LAN1
Ethernet RJ-45 connector
LAN2
Ethernet RJ-45 connector
SW1
RS-485 auto flow control mode and
RS-422 master/slave mode connector
VGA1
VGA DB-15 connector