Section 2 Equipment Description; Equipment List; Table 1-1 Equipment List - NEC Xen Master System Hardware Manual

S 2
ECTION
E
QUIPMENT
D
ESCRIPTION
Equipment
Name
B64-U13 KSU The Basic Key Service Unit (KSU) for the
Xen Master System provides service for
outside lines, Attendant Consoles, and
interconnection of the station terminals.
The basic KSU provides 64 ports and can
be expanded to a maximum of 192 ports
with the addition of two 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 P64-U13 PSU (power supply unit),
backup batteries, and two PFT relays are
included with this KSU.
E64-U13 KSU The Expansion Key Service Unit (KSU) of
the Xen Master System provides an
additional 64-port capacity. Two expansion
units can be added to the Basic KSU to
provide 128 ports with one expansion unit
and 192 port capacity with two expansion
units.
The Expansion KSU provides to fixed
slots
accommodates any interface card.
The P64-U13 PSU (power supply unit),
backup batteries, and two PFT relays are
included with this KSU.
B48-U13 KSU The Key Service Unit of the Xen Axis
system accommodates the full 48 ports of
the system. Built onto the main board is
the CPU, eight Station Ports, one Music
On Hold source input, one External
Paging Relay circuit and one Power Fail
Transfer (PFT) relay.
The P64-U13 PSU (Power Supply Unit)
and backup batteries are also included.
P64-U13 PSU The Power Supply Unit is included with
the B64-U13 KSU, E64-U13 KSU and the
B48-U13 KSU.
FCE-U13 Unit The Front Cover Extender Unit is required
when a VDH2(8)-U13 ETU is installed into
a B64-U13 KSU or E64-U13 KSU.
System Hardware Manual
2.1

Equipment List

The following table lists all equipment used with the Xen 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.

Table 1-1 Equipment List

Description
Key Service Units, Power Supply Units, and Adaptors
eight flexible slots
Xen Master
Basic + 1
Basic
Expansion
KSU
KSU
1 Basic
KSU per
system
2 expansion
KSUs per
system
and
N/A
1 per KSU
1 per KSU
May 2001
Basic + 2
Xen Axis
Expansion
KSUs
N/A
N/A
1 per
system
N/A
1 - 3