Varec 8315 Series manual Communica Hardware, SW2 Set Tion Physical Handshak Ting Layer Ing

8300 Hardware

For RS-485, set the Hardware Handshaking Switch SW1 to the ‘A’ position. Refer to the following table:

Communica-	Hardware	SW1	SW2 Set-	Notes
tion Physical	Handshak-	Set-	ting
Layer	ing	ting
RS-232	No	A	UP	Use with a PC. Signals at terminal
			(towards	block J5 will be RS-232
			the RS-
			232 side)
RS-232	Yes	B	UP	Use to communicate to systems that
			(towards	require Request To Send (RTS) in order
			the RS-	to transmit (Modems, Radios, etc.)
			232 side)	RTS and CTS signals will be available at
				terminal block J6
RS-485	Yes	A	DOWN	Always SW1 set to the A position when
			(towards	using RS-485..
			the RS-
			485 side)

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