Order Wire Systems for Efficient and Cost-Effective Voice Communication

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.

FDO 3000 Off-Net The FDO 3000 Off-Net interfaces DPS' FDO 1000 series order wires to the public switched telephone network (PSTN) via 2-wire or 4-wire line.

FDO 1000 The FDO 1000 Order Wire brings maintenance communications into the 21st century with features and benefits that come only with microprocessor control.

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