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Chapter 5 Hardware Description
5.4 Rack Mounting Options
A number of optional mounting arrangements are available for the Dialogic
®
SS7G21 and SS7G22 products.
The mounting hardware that you order depends on your application. See Chapter 12, “Part Number
Reference” for information on selecting the correct mounting hardware.
Note: Mounting kits are separately orderable and are not included with the product.
Complete installation instructions are included with each mounting kit. This section gives a brief description
of each type of mounting kit to facilitate the selection of the most appropriate mounting hardware. The basic
rack mount kits available are:
• SS7G20R19LBR – This rack mount kit consists of L-shaped brackets, and permits fixed installation of the
SS7G21 and SS7G22 to 2-post Central Office (CO) type 19” wide racks.
• SS7G20R19MNT and SS7G20R23MNT – These rack mount kits are of a rail construction, with brackets
allowing installation of the SS7G21 and SS7G22 in either 2-post or 4-post racks. The rails are not free-
sliding rails, and are not intended to allow the product to be accessed in an extended position.
SS7G20R19MNT is for 19” wide standard EIA (universal hole spacing) racks. SS7G20R23MNT is for 23”
wide standard EIA (universal hole spacing) or ETSI (European) racks.
The mounting kits described above have been tested with the DC server chassis that is used in SS7G21 and
SS7G22, and in that application are shown to meet full NEBS-3 specifications, including Seismic zone-4.
The following mount option is also available for use with SS7G21 and SS7G22, but may not provide full
compliance with NEBS-3 requirements:
• SS7G20RSLKIT – This is an enabling kit, rather than a full mounting kit, and requires the independent
procurement of sliding rails such as, Accuride† model # 305-A-LR, or similar. This mounting option is
suited to 19” wide racks.
In addition, there are a number of threaded fixing holes along the sides of the product, and it may be
possible to utilize alternative mounts from other sources. In such cases, the performance is unknown, and
care should be taken not to use excessively long fixing screws.
Warning: Do not rely on rack mounting arrangements for grounding of the product. See WARNINGS on
GROUNDING THE RACK INSTALLATION in Chapter 1, “Warnings and Cautions”. Apply the
Warning for AC power supplies or DC power supplies as appropriate.