user manual
ND-20292
APRIL,
1990
CHAPTER 1
SYSTEM DESCRIPTION
TABLE OF CONTENTS
SECTION DESCRIPTION PAGE
Pulse Code Modulation (PCM) technique and time
division switching.
110
GENERAL . e....... . . . . . . . loo-1
120
REGULATORY
120.1
120.2
120.3
120.4
120.5
120.6
130
140
150
160
INFORMATION . . + . . . . . . . loo-1
General Information ~:~. . . . . , . . _ , 100-l
Company Notification . . . . . . . . . . 100-2
Incidence of Harm . . . . . . . . . . . . . 100-2
Emitted Radio Frequency
Interference . . . . . . . . . . . . . . . . . . . 100-2
Hearing Aid Compatibility . . . . . 100-2
Service Requirements . . . . . . . . . . 100-2
GLOSSARY OF
ABBREVIATIONS . . . . . . .
100-2
FEATURE DESCRIPTION
100-3
160.1
160.2
170
170.1
170.2
LCD INDICATIONS . . . . . .
100-17
FEATURE ACCESS CODES
(NUMBERING PLAN) . . . . . . . 100-20
Codes Dialed While Receiving
Dial Tone or Second Dial Tone . . 100-20
Codes Dialed When Not Receiving
--
Dial Tone or Second Dial Tone . . 100-22
EQUIPMENT
IDENTIFICATION . . . . . . .
100-23
General Information . . . . . . . . . . . 100-24
Equipment Description . . . . , . . . . 100-24
SECTION 110
GENERAL
The Electra Mark11 Digital Telephone System is a
versatile, high performance, microprocessor based,
stored program controlled, fully digital telephone
system that provides numerous voice and data
capabilities for handling both inter- and intraoffice as
well as outside traffic.
.: The Electra Mark11 Digital Telephone System offers
the flexibility required to meet almost any
organization’s communication needs, by using the
Businesses, both small and large, with single or
multiple locations, can derive maximum benefit from
the Electra MarkII’s port oriented system design.
The Electra Mark11 can provide termination for up to
80 stations and up to forty outside lines. Systems can
be tailored to a customer’s needs by use of the variety
of Electra MarkII’s MultiIine Terminals, plus standard
2500 type single line telephones (see Figure 100-l
Central Control Units).
/
f
ESE-32E-1
/
/
/
ESE-32E- 1
ESE-32E-1
/-/
ESE-32E- 1 ESE-32E-1 , ESE-32E-1
/ / /
ESE-22B-1
ESE-32B-1
ESE-32B-1 ESE-32B-1
1
/
/ /
32
Port
64 Port
96 Port
128 Port
System
System
System System
(Basic
CCU
(One
(Two (Three
Only)
Expansion
Expansion
CCU)
Expansion
CCUS) CCUS)
Figure 100-l Central Control Units (CCUs)
The Electra Mark11 is a total communication system
with a wide variety of features. Most of the features
are standard and available to all stations in the
system.
The Electra Mark11 is designed for
ease of operation
and maximum user convenience. Solid state circuitry,
a minimum of mechanical components, and modular
construction ensure simple maintenance and high
reliability.
This section of the manual provides details of the
requirements one should be familiar with prior to the
installation of the Electra MarkII.
SECTION 120
REGULATORY INFORMATION
120.1 GENERAL INFORMATION
The Federal Communications Commission
(FCC) has
established rules which permit this telephone system
to be directly connected to the telephone network. A
100-l