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MDR-2000
V3
User's Reference Manual
Overview
Chapter
2
OVERVIEW
The purpose
of
this section
is
to provide a general description
of
the MDR-2000 Intelligent Storage
Unit. Each
of
the features discussed in this section will be further described in later sections
of
the
manual.
2.1
Description
The MDR-2000
is
a compact, highly versatile data collection device. It is designed for mainte-
nance free operation with reliability features to ensure data integrity and low support and service
costs.
The MDR-2000 can be installed quickly. It requires a minimum
of
space and has no environmental
requirements other than those normally found in the office or equipment room.
Once in operation the MDR-2000 will collect call detail record (CDR) data and optionally image
data from the PBX for later transmission and downstream processing. As part
of
the data collection
process, the MDR-2000 formats the call detail records into an Expanded
MDR
Standard Record
format. The use
of
the Expanded MDR Standard Record format means that records collected from
different types
of
PBXs are presented in a consistent format to simplify downstream processing.
As part
of
the formatting process, call records can be retained or discarded based on the number
of
digits dialed, the duration
of
the call, and whether it is incoming or internal. This feature facilitates
discarding
of
incomplete calls and local calls. By varying these parameters fine tuning
of
the
collected data is made possible. In addition, the MDR-2000 will deduct the duration selected from
the time reported for each call. This feature assists downstream processing accuracy by eliminating
circuit connection and ringing delays.
When collecting maintenance records the MDR-2000 can be set up to report alarms or error condi-
tions. On these systems the MDR-2000
is
used to record this information and optionally alert a
downstream processing facility when preprogrammed alarms occur.
The MDR-2000
is
microprocessor based. This approach provides flexibility in keeping the MDR-
2000 current with PBX manufacturers' changing specifications.
It
also means reliability and
maintainability. The MDR-2000 has diagnostic features to aid in problem determination. As well,
J
keep-alive circuitry and battery backup are provided to ensure that the MDR-2000 keeps running
during power failures.
2-1
6TO
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