Advantech RMD-1150 user manual Symtoms Possible causes Solutions

Symtoms	Possible causes	Solutions
Double OSD images at	.Improper slave	-Remove any possible
cascade configuration	connection procedure.	power supply to the
		Slave (unplug all
		cables), before
		connecting it to the RMD
		switch.
OSD menu is not at the	.OSD menu has fixed	-Use
proper position	resolution and its size	<F4>:More\Position to
	varies due to computer	select UL or UR. OSD
	VGA resolution	menu may appear near
	changes.	the middle of the screen
		when LL or LR is
		selected.
Computer can not use	.Loose mouse	.Secure the mouse
serial mouse	adapter.Incorrect mouse	adapter to computer's
	adapter	COM port.Use only the
		mouse adapter comes
		with the unit
Can not select a	.Improper RMD switch	.Only RMD switch ports
computer connected to	unit connection.Improper	PC1~PC8 can be
a slave	slave unit	connected to
	connection.Too many	slaves..Connect slave
	levels of slaves	CONSOLE port to
		PC1~PC8 ports of the
		RMD switch..Only one
		level of slave units is
		allowed. Pop up OSD
		again to check if RMD-
		1150F-8 recognizes the
		slave connection. Look
		for triangle mark and the
		number before it.
The RMD switch fails to	.Computers do not	.Make sure a power
function occasionally.	supply enough power.	adapter with minimum of
		12 V 4 A output rating is
		firmly connected to the
		power jack.

RMD-1150 Series User's Manual 3 2