Eia Standard Rack Mount

The diagram also shows the heights.

Eia standard rack mount.

The eia 310 specification has been the 19 inch racks standard for equipment for 50 years. The rack unit size is based on a standard rack specification as defined in eia 310 the eurocard specifies a standard rack unit as the unit of height. The eia 310 document is available for purchase at the ihs website. The most important aspect of the diagram is the dimensions between mounting hole center to center.

This specification standardizes several important features of 19 inch racks such as the rack unit ru or u vertical hole spacing horizontal hole spacing rack opening and. 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. For use with rack mounting frame and special brackets rmf4 and rmf4m are rack mount frames to be used with standard racks. The standard was adopted worldwide as iec 60297 mechanical structures for electronic equipment dimensions of mechanical.

Latest standard now rev e 1996. Each module has a front panel that is 19 inches 482 6 mm wide. A 19 inch rack is a standardized frame or enclosure for mounting multiple electronic equipment modules. Detail b shows the top view of an l shaped eia mounting flange this is the part of the rack that has the round or square holes in the front.

Rack width sliding keyboard monitor with equipment mounted in a rack. Eia 310 is a specification for what is often called the standard rack. The document outlines specific guidelines for several important terms often used in the server rack industry. Electronic industries alliance eia 310 d cabinets racks panels and associated equipment dated september 1992.

All of our rack mounts are standard eia 19 relay rack size. Radio rack panels are usually listed in u units one u equals 1 height. The formal standards for a 19 inch 480 mm rack are available from the following. Min400 kro900 900mm 18 panels pitches 900mm 20 panels pitches kro1250 1250mm.

You will see most of our racks are 2u meaning they are 3 high. The 19 inch dimension includes the edges or ears that protrude from each side of the equipment allowing the module to be fastened to the rack frame with screws. A eia compliant industry standard rack enclosure will have two pairs of vertical mounting rails one pair in front one pair in back that conform to the eia standard for mounting hole spacing as shown below. 5 1 3 mounting flange clearance the eia 310 d standard does not address the issue of rack angle clearance.

Figure 7 shows a top view of a 4 post server rack cabinet. It also defines a similar unit horizontal pitch hp used to measure the width of rack mounted equipment.