Digital Equipment DEC 3000 Series Service Information page 338

Installation Procedure
(IEC RS–310 Cabinet),
Verify the
System
E–32
Continued
Table E–2 DEC 3000 Model 500/500S AXP System (Front)
This Feature...
and
Removable-media
area
DC OK light
On/Off switch
Fan indicator light
Halt button
Diagnostic display
Microphone input
jack
Speaker output jack
Telephone jack
Audio input jack
For system verification, refer to DEC 3000 Model 500/500S AXP
Service Information.
Lets You...
Access devices that use removable
storage media such as diskettes,
compact discs, cassette tapes, or
cartridge tapes.
Check that all dc voltages are present
on the power supply.
Turn the system on | and off (0).
Check whether a fan has failed.
Put the system in console mode.
View error codes that may indicate
potential problems with the system.
Connect a microphone to the system.
Connect a speaker or headphone for
audio output.
Connect a telephone handset.
Connect an audio input line.