Bull ESCALA E250, Использование и обслуживание, Страница: 27 / 162

Knowing the System
1-11
Key Mode Switch
The key mode switch provides four logical functions, which are enabled only when AC
power is present in the base unit.
The four logical functions are:
Power Off
Service
Normal
Secure
The key can be removed only in the Power Off and Secure positions. The key is locked in
the Normal and Service positions for safety reasons.
The following table summarizes the available operations for each key mode switch position:
Note: During remote maintenance sessions the position of the key is not meaningful. All
operations listed in the table can be performed.
Operation
Key Mode Switch Position
Power Off Service Normal Secure
Use of the BUMP Console Yes Yes Yes Yes
Access Open Firmware No Yes
(1)
Yes
(1)
No
Take a Dump No Yes No No
Reset No Yes Yes No
Do an Automatic Boot No Yes
(2)
Yes No
Do an Interactive Boot No Yes Yes No
Run a Remote Maintenance
session
(3)
Yes Yes Yes Yes
Notes:
1. During power on phase only.
2. Enter the diagnostic menu under operating system.
3. The position of the key is not meaningful during remote maintenance session.