NEC Express5800/120Ri-2, User Manual

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2-6 General Description
Rear View
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1 Low-profile PCI board extension slots
Mount PCI boards of the low-profile type into the slots. The slots are called 3C, 2C, and 1C
from top.
2 Captive thumbscrew
Secure the logic cover.
3 Full-height PCI board extension slots
Mount PCI boards of the full-height type in the slots. The slots are called 3B, 2B, and 1B
from top.
4 AC inlet
Connect the attached power cord to this socket.
5 AC POWER LED
This LED turns green and flashes when the power supply receives the AC power from the
power cord. The LED grows steadily after supplying the DC power to the system
(power-on).
Turns amber when a power failure occurs.
Flashing in amber indicates no AC power is received in the redundant configuration.
6 Power supply unit (power supply slot 1)
This unit supplies power to the server.
7 Power supply unit extension slot (power supply slot 2)
Mount an optional power supply unit in this slot. The slot is protected with the blank cover in
the standard status.
8 USB connectors
Connect device compliant with the USB interface to this connector.
9 UID LED (blue)
This LED goes on when the UID switch is pressed. (The LED also goes on when software
issues a command.)