2-18
AlphaServer 8200/8400 Operations Manual
2.6 Controls and Indicators
This section describes the control panel and the AC power circuit breaker.
Figure 2-10 Control Panel
Front
Enable
Run
Fault
On/Off
Secure
Restart
TM
BX-0607-98
Table 2-4 Control Panel Pushbuttons
Push-
button
Position
Effect
On/Off
In
Supplies power to the PSU. When this button is pressed and
the Secure button is not pressed, OpenVMS or DIGITAL
UNIX users can interrupt operating system program
execution and enter console mode by typing Ctrl/P at the
console device.
Out
Removes 48 VDC power from the system. This position is
useful to field service when they wish to power down the
system in an orderly way, prior to switching the system off
completely while replacing or installing a new piece of
hardware.
