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

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

USER CONFIGURABLE SETTINGS
Function	Label	Position
í 20mA operation	SW1	On
60mA operation	SW1	Off
í Unit configured for DCE operation	SW2	Off
Unit configured for DTE operation	SW2	On
í Unit configured for active reception	SW3	On
Unit configured for passive reception	SW3	Off
í Unit configured for active transmission	SW4	Off
Unit configured for passive transmission	SW4	On

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