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Issue 6
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7.2.2
Determining the Number of Required Interface ETUs
Table 3-1 Number of Required Interface ETUs
each feature and the associated hardware necessary for
the operation of the feature.
Table 3-1 Number of Required Interface ETUs
Feature
ANI/Caller ID (Refer to
Least Cost Routing
PC Programming
SMDR
Uniform Call Distribution
Wireless Service Console (WSC) MIFM-U( )
The Caller ID feature works without the MIFM-U
ID scrolling and dialing both require the MIFM-U
7.2.3
PBR Requirements
The Electra Elite 48 system has four built-in Push Button
Receiver (PBR) circuits on the MBD-U( ) Unit. The PBR
circuit detects and translates DTMF tones generated by
Single Line Telephones, facsimile machines, modems,
and analog voice mail ports. Incoming DTMF signals can
also be detected from a CO trunk using the DISA feature.
The system Automated Attendant feature and DISA
feature must use the MBD-U( ) Unit PBR circuits.
An optional PBR( )-U( ) ETU that provides an additional
four circuits can be installed. The number of PBR( )-U( )
ETUs needed depends on the number of Single Line
Telephones, facsimile machines, modems, and analog
voice mail ports needed. Automated Attendant and DISA
trunks connected to the system must also be considered.
Required
ETU
)
MIFM-U( )
MIFM-U( )
MIFM-U( )
MIFM-U( )
MIFA-U( )
When the optional PBR( )-U( ) ETU is installed, these
PBR circuits can be used only for SLI ports connected to
the system.
Electra Elite
Maximum
Required
ETUs per
Feature Key
System
KMM(1.0)U
KMM(1.0)U
None
None
None
None
( ) ETU. However, the Caller
( ) ETU with KMM(1.0)U.
Hardware Requirements
indicates
1
1
1
1
1
1
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