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6 Setting the NT4G19EA Power Supply for 115 or 220 Vac Operation
Figure 6-1
The Four SRU Sizes
1/4 Shelf SRU
(Occupies 2 slots)
(Occupies 4 slots)
Installing the Loft Power Supply
The Loft Power Supply is installed in the air plenum of the cabinet (NT4G13FA or
later). It cannot be installed in earlier versions of the cabinet (such as NT4G13DA).
Once the cabinets have been installed, you can install the Loft Power Supplies as
follows:
(1) Open the front door of the cabinet.
(2) At the top of the cabinet, remove the two screws above the door on the front
(3) Position the power supply with the green LED facing the front and slide it in.
(4) Replace the front bezel and fasten it in place with the two screws. Close the
Practice 450-1011-201
1/2 Shelf SRU
3/4 Shelf SRU
(Occupies 6 slots)
bezel with a 1/4-inch nutdriver as shown in Fig. 6-2. Remove the bezel and set it
aside with the screws.
Ensure that it makes proper connection with the connector at the rear of the air
plenum.
front door when you are finished.
Full Shelf SRU
(Occupies 8 slots)
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