AT&T AT&T manual Modem Pooling, Multifeature Single-Line Voice Terminal, Multilane Voice Terminal

Modem Pooling

Provides shared-use conversion resources that eliminate the need for a dedicated modem when an analog data end point accesses, or is accessed by, an analog line or trunk.

Multifeature Single-Line Voice Terminal

A terminal served by one tip and ring voice circuit and having additional buttons for activating features.

Multilane Voice Terminal

A terminal equipped with several call appearance buttons for the same extension number. Allows the user to handle more than one call, on that same extension number, at the same time.

Multiplexed

The simultaneous transmission of two or more signals over a common transmission medium.

NPA: (Number Plan Area)

Network

An arrangement of inter and/or intra location circuits designed to perform specific functions.

Network Interface

Provided by the CO telephone company in two forms:

(l)RJ21X for trunk facilities other than tie trunks.

(2)RJ2GX for tie trunk facilities.

An arrangement provided by the local telephone company which permits remote Terminal Equipment to operate as though it was directly connected to the System 25. This tariffed service can only be provided for FCC registered single-line voice terminals.

Out-Of-Building Station

The Terminal Equipment indirectly connected to the System 25, but is not located in the same building as the common equipment. Special arrangements are made to protect the system and its users from lightning, power line crosses, etc. Only the single-line and 7300H series of voice terminal may be so connected. MET Sets can not be connected as Out-Of-Building stations.

PDC: (Personal Dial Code)

Paging Trunk

A telecommunications channel used to access an amplifier for loudspeaker paging.

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