NEC ElectraElite IPK, General Description Manual

Page: 106 / 151

Electra Elite IPK Document Revision 4
General Description Manual 3 - 3
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ESI(8)-U( ) ETU 8-port Electronic Station Interface
The Electronic Station Interface ETU
contains eight circuits. Each circuit can
support any Attendant Console,
Multiline Terminal, or Single Line
Telephone adapter.
This ETU is installed in slots S1~S8 in
the basic or expansion B64-U20 KSU.
The maximum number depends on
other station cards installed. This ETU
shares the total number of extension
ports in the system.
4 15 Notes 1, 10
ESIB(8)-U( ) ETU 8-port Electronic Station Interface
The Electronic Station Interface ETU
contains eight circuits. Each circuit can
support any Attendant Console,
Multiline Terminal, or Single Line
Telephone adapter.
This ETU is installed in slots S1~S8 in
the basic or expansion B64-U20 KSU.
The maximum number depends on
other station cards installed. This ETU
shares the total number of extension
ports in the system.
4 15 Notes 1, 2, 10
ESIB(8)-U( ) ETU with
ESIE(8)-U( ) ETU ESIB(8)-U( ) ETU – 16-port Electronic
Station Interface
The Electronic Station Interface ETU
contains eight circuits. Each circuit can
support any Attendant Console,
Multiline Terminal, or Single Line
Telephone adapter.
This ETU is installed in slots S1~S8 in
the basic or expansion B64-U20 KSU.
The maximum number depends on
other station cards installed. This ETU
shares the total number of extension
ports in the system.
The ESIE(8)-U( ) ETU is installed on
the ESIB(8)-U( )ETU.
2 7 Notes 1, 2, 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