Zhone IMACS-200 ユーザーズマニュアル

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Model No.

Running Head

Point-to-Point Protocol

PPhone Foreign Exchange Station port. An interface at the end of the FX line connected to 
MBS.

Procedure or set of rules for communication between two devices.

Public Switched Telephone Network.

Postal, Telephone, and Telegraph authority

Permanent Virtual Circuit

Quadrature Amplitude Modulation

Remote Alarm Indication

A local alarm on a T1 line, indicating that a major failure has occurred at this location.

A type of analog signaling that occasionally “robs” information bits to convey encoded 
voice-circuit signaling.

Return-to-Zero signal format

Service Access Point