NEC Electra Elite 192, Hardware Manual

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Issue 6 Electra Elite
1 - 4 Introduction
S
ECTION
2
E
QUIPMENT
D
ESCRIPTION
2.1 Equipment List
The following table lists all equipment used with the Electra Elite
system. The equipment name, a description of the equipment, and
the maximum quantities that are allowed when a Basic KSU, a
Basic KSU with one Expansion KSU, and a Basic KSU with two
Expansion KSUs are included in the table. The list is arranged
alphabetically by category.
The following table lists all equipment used with the Electra Elite
system. The equipment name, a description of the equipment, and
the maximum quantities that are allowed when a Basic KSU, a
Basic KSU with one Expansion KSU, and a Basic KSU with two
Expansion KSUs are included in the table. The list is arranged
alphabetically by category.
The following maximum values are based on the assumption that at
least one Electronic Station Interface ETU and one Trunk Interface ETU
are installed.
Equipment Name Description Basic KSU
Basic + 1
Expansion
KSU
Basic + 2
Expansion
KSUs
Key Service Units, Power Supply Units, and Adapters
B64-U10 KSU
The Basic Key Service Unit (KSU) for the Electra
Elite System provides service for outside lines,
Attendant Consoles, and interconnection of the
station terminals. The basic KSU provides 64
ports that can be expanded to a maximum of 192
ports with the addition of two expansion KSUs.
The basic KSU is also used for the expansion
KSUs. System software allows a maximum of 184
ports to be used for stations and trunks. There are
two fixed slots and eight flexible slots.
The Expansion Key Service Unit (KSU) of the
Electra Elite System provides an additional 64
ports. Expansion units can be added to the Basic
KSU to provide 128 ports with one expansion unit
and 192 ports with two expansion units.
Each Expansion KSU provides eight flexible slots
and accommodates any interface cards.
The P64-U10 PSU (power supply unit), backup
batteries, and three PFT relays are included with
each KSU.
1 Basic KSU per system
2 expansion KSUs per system