Inter-Tel Encore Installation, Programming And Maintenance Version 4 Manual

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Installation
ENCORE MANUAL, Issue 4.0 – July 2002
INSTALLATION
2Installation
CONTENTS PAGE
1. Introduction  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2. System Installation Checklist  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2-3
3. Planning the Installation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2-4
A. Establish Suitable...

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ENCORE MANUAL, Issue 4.0 – July 2002
Introduction
1. INTRODUCTION
1.1This section of the manual describes specifications and installation for the following
Encore System hardware:
•Cabling and the Main Distribution Frame (MDF)
•Key Service Unit (KSU)
•Keysets and Single-Line Sets
•Optional Equipment
NOTICE
This Inter-Tel Encore Installation, Programming, and Maintenance Manual instructs certi-
fied field technicians on the proper installation practices for the Encore System. This...

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ENCORE MANUAL, Issue 4.0 – July 2002
System Installation Checklist
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2. SYSTEM INSTALLATION CHECKLIST
2.1System installation is performed in the following order. Detailed instructions and fig-
ures for each step are located throughout this chapter.
!Read the safety and precaution information on page xvii.
!Plan the installation, including the Key Service Unit (KSU) location, Keyset and single-
line set locations, cable runs, and optional equipment. See page 2-4 for...

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ENCORE MANUAL, Issue 4.0 – July 2002
Planning the Installation
3. PLANNING THE INSTALLATION
3.1To make installation easier, use the following information when preparing to install the
system. 
A. ESTABLISH SUITABLE ENVIRONMENTAL CONDITIONS FOR THE SYSTEM
Location
3.2The KSU is intended for installation in a residential or office-type environment. It must
be mounted on a dry, flat wall. 
3.3Select the KSU location to minimize cable run length. Keysets and single-line sets con-
nected...

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ENCORE MANUAL, Issue 4.0 – July 2002
Establish Suitable Environmental Conditions for the System
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Supervised CO Lines
3.8Only supervised CO lines should be used on the Encore System. While the system has
timers that will help to prevent unsupervised trunk use, there is no implied warranty that it is
invulnerable to unauthorized intrusions and toll fraud.
3.9If the central office does not provide supervision it will not disconnect the call when
one party hangs up; it is...

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ENCORE MANUAL, Issue 4.0 – July 2002
Assemble the Necessary Tools and Supplies
B. ASSEMBLE THE NECESSARY TOOLS AND SUPPLIES
3.13You will need the following supplies and tools:
•Industry-standard, two-pair (four-conductor), twisted-pair cable to run from the KSU to
Keysets, single-line sets, and CO lines
•One or two 66M1-50-type block connectors
•Four-conductor modular jack assemblies for Keysets and single-line sets
•A high-impedance digital multimeter to check the correct wiring of...

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ENCORE MANUAL, Issue 4.0 – July 2002
Extension and CO Line Cabling
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4. EXTENSION AND CO LINE CABLING
4.1Prepare a floor plan for the Keyset and single-line set locations, using a star (home run)
configuration. Include each telephone’s extension number. Extension number 20 is assigned to
the system operator. 
A. RUNNING CABLE
4.2A 25-pair cable is run from the CO lines and extensions and terminated on a 66M1-50-
type connecting block that is wall-mounted near the KSU....

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ENCORE MANUAL, Issue 4.0 – July 2002
Sample System Layout
B. SAMPLE SYSTEM LAYOUT
4.3The diagram below shows a suggested layout for the KSU and block(s). You will need
two blocks if Expansion cards are installed.
Figure 2-1.Sample Layout and Cable Assignments
            Encore
CONNECTING BLOCKS
Cable B to
Expansion Cards
Cable A to CPU
To Extensions 26-37
on Expansion Card
To Extensions 20-25
and devices on CPU
To  Te l c o
(enters through side)
(enters through bottom) (Use...

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ENCORE MANUAL, Issue 4.0 – July 2002
Terminating the Cables at Extension Locations
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C. TERMINATING THE CABLES AT EXTENSION LOCATIONS
4.4Terminate the keyset and single-line set cables on four-conductor modular jack assem-
blies at the extension location, as shown in the diagram below. Refer to the figure below for a
wiring diagram. 
NOTE: It is recommended that four-conductor modular jacks be used for all Keyset and single-
line set connections. This allows both types...

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ENCORE MANUAL, Issue 4.0 – July 2002
Wiring for Operation During Power Failure Conditions
E. WIRING FOR OPERATION DURING POWER FAILURE CONDITIONS
4.7When planning the extension wiring for the system, consideration should be given to
the use of Keysets and single-line telephones in power-fail situations. As Keysets cannot oper-
ate without power, Extensions 24, 25, 31 and 37 should either have access to or be equipped
with single-line sets if they are to be used in power failure...