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Definition of "Order Wire" |
An order wire is a voice communications system used primarily by maintenance personnel to communicate between equipment sites. It is a telephone system, but has no central office switching. It uses a portion of the network's bandwidth that is not normally used for revenue traffic, such as the bottom portion of the base-band spectrum or a portion of an overhead bit stream. It is an economical phone system that is network-owned. / Channel letter are custom-made metal or plastic letters that are commonly used on the buildings of business, churches, and other organizations for exterior signage. |
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