NEC Electra Elite IPK - Page 108

Electra Elite IPK Document Revision 4
General Description Manual 3 - 5
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SLI(8)-U( ) ETU 8-port Single Line Interface
The Single Line Interface ETU supports
eight Single Line Telephones and/or
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 KSU.
The maximum number depends on
other station cards installed. This ETU
shares the total number of station ports
in the system.
3 14 Notes 1, 10
SLIB(4)-U( ) ETU 4-port Single Line Interface
The Single Line Interface ETU supports
four Single Line Telephones . 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 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
SLIB(4)-U( ) ETU with
SLIE(4)-U( ) ETU
installed
8-port Single Line Interface
The SLIB(4)-U ETU with the
SLIE(4)-U( ) ETU installed supports
eight Single Line Telephones.
Ringing Signal Generator (RSG), and
Message Waiting (MW) LED voltage is
provided to Single Line Telephones.
This combination ETU is installed in
slots S1~S8 in any KSU.
The maximum number depends on
other station cards installed. This ETU
shares the total number of station ports
in the system.
3 14 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