ATT Merlin Classic Mail Issue 1 System Reference Guide

The Control Unit is a small, breadbox-sized piece of equipment that is located
somewhere in your office building, normally in a closet, back room, attic, or some
other out-of-the-way location. You will need to locate your Control Unit to install
the CLASSIC MAIL system.
Outside lines from the telephone company, and all of your telephones, plug into
jacks (plugs) on your Control Unit. Outside lines plug into line jacks; telephones
plug into voice terminal jacks. The CLASSIC MAIL system will plug into both...

Because the CLASSIC MAIL system has been designed to plug into unused voice
terminal jacks, the electronic circuits in the CLASSIC MAIL system are recognized by
the Control Unit as additional Merlin telephones. Figure 1B shows the CLASSIC
MAIL system unit plugged into voice terminaljacks 16 and 17 of a Merlin Control
Unit. The CLASSIC MAIL systems unique ability to emulate a Merlin telephone is
referred to as a telephone emulation*.
Telephone emulation gives the CLASSIC MAIL system the ability to answer...

Merlin Control Unit Compatibility
There are many different models and versions of Merlin Control Units. The
CLASSIC MAIL system is designed to work with the most common. These models
are:
lMerlin System 206, all versions
lMerlin System 410, all versions
lMerlin System 820, all versions
lMerlin System Plus, all versions
lMerlin System 1030, or 3070, withFeature Modules 1, 2, 4, or 5
Note: The CLASSIC MAIL system will not work with Merlin 1030/3070 Feature Module 3
Other models of Merlin Control Units may...

Chapter 2: Getting Started
Getting started requires that you gather some information about your Merlin
Control Unit. Remove the Control Unit’s front cover, if it has one. Figure 2A shows
the various types of Control Units.
Completing the Installation Data Form
Record your information on the Installation Data Form in Appendix A. If you are
installing a CLASSIC MAIL system with a Merlin 1030/3070 Control Unit, skip the
instructions that immediately follow. Instead, use the Installation Data Gathering...

CLASSIC MAIL System Reference Guide
2.
3.
4.
5.
6.
If your Control Unit is a Merlin system 206, 410, or 820, determine the type of
feature package it has. Feature packages are cartridges that plug into the opening
on the upper right front side of the Control Unit. See Figure 2A.
If your Control Unit has a cartridge installed, (some do not) and if this cartridge is
labeled “Feature Package 2,” record this information on the Installation Data Form.
See Appendix A.
If your Control Unit is a Merlin Plus...

Voice
Terminal
JacksLine
Jacks
Cartridge
Voice
Terminal
Jacks
LineCartridge
Jacks
Merlin 206Merlin 1030/3070
Line
Jacks
Voice
Terminal
Jacks
820
Voice
Terminal
Jacks
Line
Jacks
Voice
Terminal
Jacks
410
Cartridge
Figure 2A:
Merlin Control Units
Merlin Plus
Line 
Jacks
Chapter 2. Getting Started15 

7.
8.
CLASSIC MAIL System Reference GuideIf you have any outside lines that are WATS lines, Foreign Exchange (FX) lines, or
800 lines, check the corresponding block on the Installation Data Form and see the
recommended installation options.
Determine the intercom number (often 0 or 10) of the person who normally answers
your incoming calls. If you don’t have a person who does this, use the intercom
number of the person you designate as the CLASSIC MAIL system attendant. Record
this number in the...

Status
IndicatorsEmulation
Jacks. 1-4
Line Jacks. 1-4
Line Jacks. 1-4Optional RS-232
Connector
Optional
Expansion Key
Connector
Diagnostic
Button
Message Waiting
Panel Plug
DC Power
Plug
Figure 2B
 The CLASSIC MAIL System
Chapter 2: Getting Started17 

FCC Information
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection
against harmful interference when equipment is operated in a commercial environment. This
equipment generates, uses and can radiate radio frequency energy and, if not installed and used
in accordance with the instruction manual, may cause harmful interference to radio communica-
tions. Operation of...

Chapter 3: Standard Installation
This chapter provides step-by-step instructions for the standard CLASSIC MAIL
system installation. If you are installing a CLASSIC MAIL system with a Merlin 1030/
3070 Control Unit, skip the instructions that immediately follow. Instead, follow the
instructions in the CLASSIC MAIL System Control Unit Upgrade Kit Installation Guide.
The standard installation is referred to as an interposed configuration, because the
CLASSIC MAIL system is interposed between your incoming...