Card Type	Current Loop Converter
I/O Options	RS-485 via terminal block, RS-232 via DB-25 connector, DC power
Data Bus	External

CONNECTIONS
Function	Label	Function	Label
Button – unidentified function	BT	RS-485 via terminal block	CN2
RS-232 via DB-25 connector	CN1	DC power	CN3

USER CONFIGURABLE SETTINGS
Function	Label	Position
í Unit configured for DCE operation	SW1	On
Unit configured for DTE operation	SW1	Off
í Unit configured for monitor mode	SW2	Off
Unit configured for simulation mode	SW2	On
í Unit configured for half-duplex operation	SW3	On
Unit configured for full-duplex operation	SW3	Off

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
LED1	Red	On	Unit is receiving power
LED1	Red	Off	Unit is not receiving power
RD	Red	On	Unit is receiving data
RD	Red	Off	Unit is not receiving data
TD	Red	On	Unit is transmitting data
TD	Red	Off	Unit is not transmitting data