Digital Equipment DECstation 5000/100 Series, Maintenance Manual

Page: 29 / 392

System Unit Controls and Indicators
The system unit controls and indicators, shown in Figure 1-3,
have the following uses:
The on/off switch turns the system unit on and off.
The power indicator glows green when the power supply is
operating properly.
The diagnostic LEDs display binary error codes that
indicate test results.
Pressing the halt button puts the system in console mode.
W 359
Hz 50-60
A 7.9/4.2
V~100-120/220-240
V~220-240 A 1.7
V~100-120 A 3.0
PMAG-C
2
WS33M014
On/off switch
Halt button
Diagnostic LEDs
Power supply LED
Front view
Back view
Figure 1-3. System unit controls and indicators
A Look at DECstation 5000 Model 100 Series Hardware 1–5