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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:
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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.
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Three C.O. line modular jacks (C.O. 1-2, 3-4, 5-6) serve as
inputs for two C.O. lines each.
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The male amphenol connector (STN 1-12) serves as the input for
all keysets.
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The external paging jack (E-PAGE) is the output to a paging
amplifier.
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The music jack is the input for an external music source, such
as a radio, tape player, etc.
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The battery back-up jack (BATT 3OV) is the input for a battery
charger and/or 30V battery pack.
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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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