PSB Speakers PSB-1688LF M1 user manual Jumper, Function

Chapter 2 Hardware Configuration

2-5. RS232/422/485 (COM2) SELECTION

JP2 : RS-232/422/485 (COM2) Selection

The COM2 Function selections are as follows :

COM 2	Jumper			Jumper
	Settings		Illustrations
Function
	(pin closed)
RS-232		19	1
	Open
		20	2
				JP2
RS-422	1-2, 5-6, 7-8	19	1
	9-10, 11-12,
	13-14, 15-16
	17-18, 19-20
		20	2

			JP2
	1-3, 4-6, 7-8	19	1
RS-485	9-10, 11-12
	13-14, 15-16	20	2
	17-18, 19-20
			JP2

*** Manufactory default --- RS-232.

To select RS422 or RS485, COM2 must be set at RI function.

PSB-1688LF USER′S MANUAL Page: 2-7