Parker Hannifin P/N88023735/01A RS-422Communication Ports Line Terminator Jumpers (J1 thru J4), Jumper, Signal, Jumper, Description, Termination, No Termination

The following is a list of the jumper functions on the ACRCOMM module:

Jumper	Description
J1	COM1 RS-422 Termination Resistor Select
	(see Table 4, on page 6)
J2	COM1 RS-422 Termination Resistor Select
	(see Table 4, on page 6)
J3	COM2 RS-422 Termination Resistor Select
	(see Table 4, on page 6)
J4	COM2 RS-422 Termination Resistor Select
	(see Table 4, on page 6)
J5	Not used with the ACR1505
J6	Not used with the ACR1505
J7	COM1 and COM2 Autobaud Detect Enable
	(see Table 4, on page 6)
J8	Reserved
J9	Reserved
J10	Reserved

Table 3 ACRCOMM Jumper Functions

RS-422 Communication Ports Line Terminator Jumpers (J1 thru J4)

These jumpers provide termination resistors for the RS-422signals. For jumper locations, see Figure 2 on page 5.

Factory Default		........................................		Jumpers in
		Communication Ports Termination Jumpers
	Signal		Jumper	Termination	No Termination
	RXD1A/RXD1B		J1	Jumper In	Jumper Out
	TXD1A/TXD1B		J2	Jumper In	Jumper Out
	RXD2A/RXD2B		J3	Jumper In	Jumper Out
	TXD2A/TXD2B		J4	Jumper In	Jumper Out

Table 4 ACRCOMM RS-422 Termination Jumpers

– 6 – ACRCOMM and ACREXPAXIS User’s Guide