RS-232 Interface PCB | Xantrex Technology RS232-XHR guide

	JUMPER SELECTION
J65	Local OVP control selection	[closed] [default]. See page 32.
		[open] Front Panel OVP Control.
J93	User TTL shutdown (S/D)	[1-2] User TTL S/D line active low. See page 35.
	selection	[2-3] [default] User TTL S/D line active high.
J103	Remote OVP Control Selection	[closed] [default]. See page 32.
		[open]
J216	RS-232 (J5) transmit and	[3-1]	Receives on pin 3 (TXD) [default]
	receive pin selection	[4-6]	Transmits on pin 2 (RXD) [default]
		[3-5]	Receive on pin 2
		[4-2]	Transmit on pin 3

J217 RS-232 flow control selection of RTS/CTS (ready to send/clear to send) or DTR/DSR (data terminal ready/data set ready)

J218 RS-232 flow control selection of RTS/CTS or DTR/DSR

[1-3][4-6] [default] RTS input on pin 7 (used with CTS output on pin 8)

[3-5][4-6] DTR input on pin 4 (used with DSR output on pin 6)

[2-4][[3-5] [default] CTS output on pin 8 (used with RTS input on pin 7)

[2-4][1-3] DSR output on pin 6 (used with DTR input on pin 4)

Note: All other jumpers are not user-selectable.

		LED INDICATORS
CR89	Red Diagnostic LED	Bus error or soft restart on Slave circuitry.
CR166	Red Diagnostic LED	Soft restart on Master circuitry.
CR167	Green Diagnostic LED	Bus error on Master circuitry.

		EPROMS
U117	Slave EPROM	See revision number stamped on EPROM.
U191	Master EPROM	See revision number stamped on EPROM.

Figure 2.3 RS-232 Interface PCB

22	Operating Manual for RS-232 for XHR/XFR Series Power Supply