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2.3 Installing the UPS
• Rackmount installation
The UPS is supplied with 19-inch mounting brackets for installation in the server
rack. Mounting rails must be ordered separately (part number DN-170109).
The rails are adaptable for installation in 19" server racks with approx. 70~76 cm (27
to 30 inch) depth.
CAUTION
The cabinet is heavy. Removing the cabinet from its carton requires a
minimum of two people.
If installing optional EBP(S), make sure to install the EBP(S) directly
below the UPS so that all wiring between the cabinets is installed
behind the front covers and inaccessible to users.
Note: Mounting rails are required for each individual cabinet.
(1) How to install the rail kit
a) Assemble the left and right rails to the rear rails as shown in Figure 1. Do
not tighten the screws. Adjust each rail size for the depth of your rack.
Figure 1: Securing the rails
b) Select the proper size in the rack for positioning the UPS (see Figure 2).
The railoccupies four positions on the front and rear of the rack.
c) Tighten four M5 Umbrella Nuts in the side of rail assembly (see Figure 1).
d) Fix one rail assembly to the front of the rack with one M5×12 pan-head
screw and one M5 cage nut. Using two M5 cage nuts and two M5×12 pan-
head screws, to fix the rail assembly to the rear of the rack.
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