HOW TO USE THIS MANUAL
This Service Manual provides instructions for installing, changing and adding, troubleshoot-
ing, and, if necessary, replacing components on your MERLIN* communications system. It is
intended for use by the person in your company who is responsible for telephone service.
Reading the whole manual is not necessary; you need only read the introduction and those
sections relevant to the task you have to perform.
This manual is divided into five sections:
Preinstallation: Contains instructions to prepare for the installation of your MERLIN
communications system.
Installation: Contains instructions for installation and preliminary testing of your
MERLIN communications system.
System Changes: Provides directions for changing and adding to your MERLIN com-
munications system.
Quick Check Tests: Describes simple tests to identify the source of problems your
MERLIN communications system may have.
Maintenance Exchange Procedures: Describes how American Bell allows you to
exchange faulty equipment for working replacements.
Note:
Notices required by the FCC are printed in the User's Guide inside the front and
back covers. You should be familiar with this information before installing your
new equipment.
Descriptive and operational information is provided in the User's Guide. Customer Informa-
tion Brochures (CIBs) describe the physical characteristics of each device and provide instal-
lation instructions. One CIB is packaged with each voice terminal or other system com-
ponent. Both the CIB and this manual are required for proper component installation.
* Trademark of AT&T Co.
INTRODUCTION
1
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