Black Box IC109C, IC109AE, IC109A-R2, IC108C, IC108AE Quick Reference User-Selectable Options

QUICK REFERENCE: USER-SELECTABLE OPTIONS

W16	Turnaround delay (When W8 is in the B-C [2 wire] position, this
	is the time after the driver is disabled and before the receiver is
	enabled.)
	A	0 msec
	B*	0.1 msec
	C	1 msec
	D	5 msec
	E	35 msec

NOTE

If the Converter is configured Data Enabled (W15, position B-C) and 2- wire (W8 position B-C), then delays from W17 and W16 are cumulative.

S1	OUT*	Normal
	IN	Loopback
S2	OFF*	RS-485 Receiver Unterminated
	ON	RS-485 Receiver Terminated
S3	OFF*	Line Bias Off
	ON	Line Bias On (The Carrier Detect light will come on.
		Default is +5 volts.)
TB1		4-wire terminal block
		1 - - - - - -	Rx - - - - -	B+
		2 - - - - - -	Rx - - - - -	A-
		3 - - - - - -	Tx - - - - -	B+
		4 - - - - - -	Tx - - - - -	A-

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