Any device which accepts and/or sends information to a computer program that is implemented by data communication.

Communication equipment that assists the DTE in sending or receiving data messages over data circuits.

To provide a barrier for electrical interference from either side of the unit.

To adapt the digital data stream produced by the customer equipment to the signaling standards of the telephone carrier equipment and vice versa.

Link-by-link basis, end-to-end basis, or bulk encryption.

To patch access to low speed voice and data to analog signals.

The output of the receive wire line or multiplex equipment.

To provide flexibility of associated T-1 and T-3 channels and equipment.

Patch a Bantam patch cord into the normal send equipment jack of the communications equipment. Patch the other end of the patch cord into the spare send line jack that is still operating.

Use a digital patch cord to patch into the equipment module of the spare modem. Patch the other end of the patch cord into the normal line module that is still operating.

To prevent people from inadvertently making connections between the two areas with a patch cord which could result in a security compromise of classified messages.

First ensure continuity and quality of circuitry to the distant-end user.

Commercial power bought from a local utility company or power generated by a base power plant.

Electrical wall outlets and most non-critical (non-critical load) lighting systems.

To maintain a constant state of charge on the battery bank and supply power to the inverter during an AC input failure.

Manually restart the UPS and activate a switch on the UPS control panel to transfer the critical load back to the inverter output.

Controls for starting and stopping the engine alarm curcuit indicating lights, and engine monitoring gauges.

It connects the generator to the load by switching the facility's power feed from the commercial source to the generator.