Electra Elite IPK II
Document Revision 3
System Hardware Manual
3 - 9
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SLI(8)-U( ) ETU
This 8-Port Single Line Interface ETU
supports eight 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.
6
22
Notes 1, 6
SLIB(4)-U( ) ETU
This 4-Port Single Line Interface ETU
supports four Single Line
Telephones. 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
SLIB(4)-U( ) ETU with
SLIE(4)-U( ) ETU
installed
These ETUs are an 8-Port Single
Line Interface. The SLIE ETU is
installed on the SLIB ETU, and they
support eight Single Line Telephones
with built-in ringer signal generator
(RSG) and Message Waiting (MW)
LED voltage to Single Line
Telephones.
This combination 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.
6
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
Summary of Contents for ELECTRA ELITE IPK II
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