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INTRODUCTION
The Inter-Tel
GLX System
is a versatile,
electronic
key telephone
system
designed
to meet
the
needs
of
small
businesses.
The sys-
tem
is
easy
to
install
and maintain,
and
it
offers
a variety
of
features
usually
found
on more
expensive
systems.
With
flexible
programming,
you can customize
system
and keyset
features
to meet
your
needs.
This
manual
provides
a brief
overview
of
the
GLX System
hardware
and
provides
detailed
descriptions
and
instructions
for
the
easy-to-use
features.
Refer
to
the
user
guide
shipped
with
each
keyset
for
simplified
instructions
on using
keyset
features.
KEY SERVICE
UNIT
(KSU)
The
KSU is
a compact,
wall-mounted
unit
that
houses
the
system
power
supply,
the
Main
Control
board,
and
the
optional
Expansion
board,
which
contain
all
of
the
circuitry.and
programming
to
operate
the
system.
Features
of
the
KSU are
as follows:
l
The
Main
Control
board
inside
the
KSU contains
the
circuitry
for
3 C.O.
lines
and 8 keysets.
l
BY
installing
the
optional
Expansion
board,
circuitry
for
an
additional
3 C.O.
lines
and
4 keysets
can
be added
to
expand
the
system's
capacity
to
6 C-0.
lines
and 12 keysets.
l
Three
C.O.
line
modular
jacks
(C.O.
1-2,
3-4,
5-6)
serve
as
inputs
for
two
C.O.
lines
each.
l
The male
amphenol
connector
(STN 1-12)
serves
as the
input
for
all
keysets.
l
The
external
paging
jack
(E-PAGE)
is
the
output
to
a paging
amplifier.
l
The music
jack
is
the
input
for
an external
music
source,
such
as a radio,
tape
player,
etc.
l
The battery
back-up
jack
(BATT 3OV) is
the
input
for
a battery
charger
and/or
30V battery
pack.
l
The AC fuse
(2A,
25OV,
slow-blow)
protects
the
system
from
ex-
cessive
current
draw.
GLX Owner's
Guide
(Issue
1,
11/85)
Page 1
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