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3 - 8 System Specifications
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Document Revision 3 Electra Elite IPK II
IVR Application
[VMP(4)/(8)-U( ) ETU
with IVR HDD Kit]
This Interactive Voice Response ETU
has four ports to support IVR
applications. When the DSP-U( )
module is attached, eight ports are
available. It is installed in any
interface slot. This ETU shares the
number of station ports in the system.
1 1 Notes 1, 3, 4, 6
OPX(2)-U( ) ETU This 2-Port Off-Premise Extension
Interface ETU provides termination
and operation of two off-premise
extensions. Each ETU has a built-in
ringer signal generator (RSG). Up to
1600 ohms of resistance (including
the Single Line instrument) is
acceptable between the OPX ETU
and the Single Line Telephone.
This ETU is installed in slots S1~S8
in any B64-U20 KSU and shares the
number of station ports in the system.
6 22 Note 1, 2, 6
SLI(4)-U( ) ETU This 4-Port Single Line Interface ETU
supports four Single Line Telephones
and/or analog voice mail ports. Each
ETU provides a built-in ringer signal
generator (RSG) and Message
Waiting (MW) LED voltage to Single
Line Telephones.
This ETU is installed in slots S1~S8
in any B64-U20 KSU. The maximum
number depends on other station
ETUs installed. This ETU shares the
total number of station ports in the
system.
12 22 Notes 1, 6
Table 3-2 Maximum System Capacities for Station Interface ETUs (Continued)
Station Interface
Units
Description
Maximum Capacities
Notes
Basic Port
Package
Expanded
Port
Package
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