IBM 3000 manual Functional Areas

Using This
Control:	Does This:
Control Unit	Establishes where control unit power is controlled.
Local/Remote	On Printer 1 - When this switch is in the Local position, the PUM is
Switch
	powered on and off by the Control Unit Power On and the Control
	Unit Power Off if in Local switches. In the Remote position, the PUM
	is powered on and off by Printer 2 control unit power controls.
	On simplex printers and Printer 2 of a duplex con®guration - When
	this switch is in the Local position, the AFCCU is powered on and off
	by the Control Unit Power On and the Control Unit Power Off if in
	Local switches. In the Remote position, the AFCCU is powered on and
	off by the controlling computer system.
Printer	Establishes where printer power is controlled. When this switch is in
Local/Remote	the Local position, the printer is powered on and off by the Printer
Switch	Power On and the Printer Power Off if in Local switches. In the
	Remote position, the printer is powered on and off by the Control Unit
	Power On and Control Unit Power Off If In Local switches on this
	panel.
Control Unit	Powers on the AFCCU frame or the PUM frame when the Control Unit
Power On	Local/Remote switch is set to Local.
Switch
Printer Power	Powers on the printer when the Printer Local/Remote switch is set to
On Switch	Local.
Control Unit	Powers off the AFCCU when the Control Unit Local/Remote switch is
Power Off If In	set to Local.
Local Switch
Printer Power	Powers off the printer when the Printer Local/Remote switch is set to
Off If In Local	Local.
Switch
Emergency	On Printer 1 - When set to Power Enable, the PUM and printer engine
Power Off	can be powered on by Local or Remote control. Power Off does an
Switch	emergency shutdown.
	On simplex printers and Printer 2 of a duplex con®guration - When
	set to Power Enable, the AFCCU and printer engine can be powered on
	by Local or Remote control. Power Off does an emergency shutdown.
	All power is removed from the system.
		Attention!
	Using the Unit Emergency Power Off switch can cause loss of
	data and hardware problems; therefore, you should use it only in
	an emergency.

Chapter 3. Functional Areas 19