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3-10 Ultra Enterprise 6000/5000/4000 Systems Installation Guide—November 1996
3
3.3 Enterprise 4000 System
3.3.1 Powering On the System
Note – It is advisable to connect an ASCII terminal to the system during
installation. See Section 2.6, “Connecting an ASCII Terminal,” for terminal
settings and connections.
Observe the yellow (middle) LED on the front panel. It should go off when
boot completes. If it remains on, observe the terminal screen for boot messages
produced by the firmware diagnostic program during power-on.
To power on the Enterprise 4000 system:
1. Begin with a safety inspection of the system.
a. Turn the system key switch to (the Standby position).
See Figure 3-6.
b. Turn the AC power sequencer power switch to Off.
The AC power sequencer is at the rear of the enclosure. See Figure 3-6.
c. Verify that the AC power cord is plugged into a wall socket.
Caution – Do not disconnect the power cord from the wall socket when
working on the server. This connection provides a ground path that prevents
damage from uncontrolled electrostatic discharge.
2. Turn on power to any expansion cabinets.
Read the documentation supplied with each type of expansion cabinet for
specific instructions.
3. Turn on the terminal (if applicable).
4. Turn the AC power sequencer power switch to On.
See Figure 3-6.
5. Turn the key switch on the front panel to the On position.
See Figure 3-6. You should see and hear several things happen: