APC AR2802BLK Datasheet download pdf (Page 15)

12 NetShelter VX Four-Post Open Frame—User’s Manual

Installing Equipment

This section gives general information on installing rack-

mount equipment in the frame. See also the instructions

provided with the equipment to be installed.

Identifying one

U-space on the

mounting rail

When installing equipment, you will need to locate the top and

bottom of a U-space on the mounting rails. Every third square

hole on the mounting rails of a NetShelter frame is notched and

numbered to indicate the middle of a U-space. A U-space

consists of one of these notched holes and one hole

immediately above and below it, as shown.

One

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APC AR2802BLK Datasheet Page 15