Figure 4-3. Connecting A Rack-Mounted System Directly To Ac Power - NEC Express5800/320Ma Installation Manual

Connecting the System to Electrical Power
3. Attach a B label to the second power cord. Connect the power cord according to
the system you have:
•
Rack-mounted system: Connect the female end to the receptacle on the
bottom CPU- I ⁄ O enclosure. Connect the other end to a second, separate,
power source.
•
Pedestal system: Connect the female end to the receptacle on the left
CPU- I ⁄ O enclosure. Connect the other end to a second, separate, power
source.
4. From the front of the system, make sure that the CPU- I ⁄ O enclosures are fully
inserted in the shelf unit by tightening, if necessary, the thumbscrews. Then, at the
rear of the system, turn the power interlock mechanisms into the locked position.
Figure 4-3 shows where the two power cords (not color coded) connect to a
rack-mounted system.

Figure 4-3. Connecting a Rack-Mounted System Directly to AC Power

1 B-side power cord
2 A-side power cord
3 AC power outlets
4 AC power (mains) distribution circuit breakers (maximum of 20A)
Figure 4-4 shows where the two black power cords connect to a pedestal system.
4-8 Express5800/320Ma: System Installation Guide
position. In Figure 4-3
mechanism is shown in the locked position.
and in Figure 4-4, the interlock
2
4
4
1
3
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