Octel XC1000, Service Manual

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GLOSSARY
Gloss-18 Edition One XC1000 Service
Port monitoring.
Certain mailboxes designated to answer incoming calls on specific
voice processor ports. All calls to that port are sent to the designated mailbox,
bypassing the standard sign-on greeting.
POTS (plain old telephone service). Nothing fancy, just regular service from the CO.
Private branch exchange. See PBX.
Processing. Refers to the tasks required to produce a final product from initial resources.
Product Support. The department that is reached when a problem is escalated to level
3. Product support and engineering work together to solve the problem.
Prompt.
(1) Voice messages that lead subscribers through the various options. There are
three levels of prompts in the voice-mail mode (standard, extended, and rapid),
selectable by each subscriber. (2) Phrase, sentence, or word group, presented on
the system manager terminal, that outlines a system manager’s choices at any
given point or provides helpful information about the voice processor.
Protocol. Those procedures relating to the format and timing of transmitting data
between two devices. A protocol defines the capability of two devices to use the
same procedures and understand each other.*
Public data network.
See PDN.
Pulse code modulation.
See PCM.
R
Radio-frequency interference. See RFI.
RAM (random-access memory). The working area of the computer, where applications
programs can be loaded and executed.
Random access memory (RAM). See RAM.
RDAC (remote, diagnostic, administrative center). An external terminal connected to
a voice processor used to troubleshoot the system. The connection includes
modems for remote access by Octel service engineers.
Read-only memory. See ROM.
Real time. Processing of data when it enters a computer, rather than storing the data
for later processing.
Record-allocation table. The record-allocation table (RAT) is a bit-oriented table that
keeps track of the records on the drive that are being allocated for data, such as
messages or user records. The record-allocation table determines whether there
is space available that can be occupied with data.
Record buffer. RAM buffer residing on the file card that is used with disk utilities. A
single disk record can be loaded into the record buffer to perform read/write
operations.
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* Newton, Harry. Newton’s Telecom Dictionary, 2nd ed., New York, Telecom Library Inc., 1989.
P–R