Black Box IC108C, IC109C, IC109AE, IC109A-R2, IC108AE manual DTE Jumper Settings

RS-232↔485/422 CONVERTERS

Table 2. DTE Jumper Settings.

NOTE

For additional information on the jumper requirements, see Section 3.1.

Function		Jumper Requirements
1.	Configure RS-232 port as DTE	XW1 in B position
2.	Signal ground connected to
	frame ground
	• Connected	W7 is IN (100-ohm, 1/2-watt
		resistor soldered in place)
	• Not connected	W7 is OUT
3.	Half- or full-duplex operation
	• Full duplex	W8 in FULL position (4 wire, A-B)
	• Half-duplex	W8 in HALF position (2 wire, B-C)
4.	CTS delay	CTS not supported
5.	Enable RS-485 driver
	a. RS-485 driver enabled by	W15 in A-B position and
	RS-232 lead CD	W9 in 0-ms position
		W9 in 10-ms position
		W9 in 30-ms position

20