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What is EIA-310?

EIA stands for the Electronic Industries Association. EIA-310 is a specification for the “standard rack”. This specification standardizes several important features of 19″ racks, such as the Rack Unit (RU or U), vertical hole spacing, horizontal hole spacing, rack opening and front panel width. The specification also sets tolerances on each of these dimensions. The Read More ›

What are filler panels or blanking panels?

A filler or blanking panel is a flat piece of metal or plastic that matches the height of one or more rack units (1U is equivalent to 1.75″). Typical sizes range from 1-8 rack units. Filler or blanking panels are used to close openings that are not being used in a rack enclosure. This helps Read More ›

What are fixed rails?

A fixed rail is a long L-shaped bracket that supports the edge of the equipment. Fixed rails serve as an alternative to sliding or telescoping rails, which are sometimes too large to fit within a rack. They may include a cabling crossbar in the rear to dress out any cables present. It’s important to note Read More ›

Can I use my UPS in conjunction with a generator?

CyberPower Smart App Online Series UPS systems include a Generator Mode setting specifically designed to work with generators. With varying loads, the frequency output from generators can be erratic. This erratic output can make it difficult for a UPS without a Generator Mode setting to recognize the input power, causing the UPS to function on battery power only. With Generator Mode, the UPS can automatically adjust to frequency fluctuations and maintain a full charge of the batteries.

What is the standard rack vertical hole spacing?

Vertical hole spacing is defined as a repeating pattern of holes within one rack unit (RU or U) of 1.75″. The hole spacing alternates at 1/2″ – 5/8″ – 5/8 and repeats. The start and stop of the RU is in the middle of the 1/2″ spaced holes.

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