3 - 4
Equipment
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Document Revision 4
Electra Elite IPK
FMS(2)/(4)-U( ) ETU
2- or 4-port Digital Voice Mail system
This ETU is installed in one of the
interface slots. It has two or four
channels of built-in Voice Mail.
The system recognizes this ETU as
VMS(4)-U( ) ETU. This ETU shares
the total number of station ports in the
system.
1
1
Notes 1, 3, 4, 5
FMS(8)-U( ) ETU
8-port Digital Voice Mail system
This ETU is installed in one of the
interface slots. It has eight channels
of built-in Voice Mail.
The system recognizes this ETU as
VMS(8)-U( ) ETU. This ETU shares
the total number of station ports in the
system.
1
1
Notes 1, 3, 4, 5
OPX(2)-U( ) ETU
2-port Off-Premise Extension
Interface
The Off-Premise Extension ETU
provides termination and operation of
two off-premise extensions. Each ETU
has a built-in ringer (RSG). Up to 1600
ohms of loop 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. This ETU shares
the total number of station ports in the
system.
6
22
Notes 1, 3
SLI(4)-U( ) ETU
4-port Single Line Interface
The Single Line Interface ETU supports
four Single Line Telephones and/or
analog voice mail ports. This ETU
provides Ringing 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 cards installed. This ETU
shares the total number of station ports
in the system.
6
22
Notes 1, 10
Table 3-1 Maximum System Capacities for Station Interface ETUs (Continued)
Station Interface
ETUs
Description
Maximum Capacities
Notes
Basic Port
Package
Expanded
Port
Package
Содержание ElectraElite IPK
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