NEC Infoset 408 System Manual

	

 	
 



 
 

 




 

 
 
 
 
 
 
 	
		 	



 

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Contents of this manual are subject to change without prior notice at the discretion
of NEC America, Inc.  This document has been prepared for the use of
employees and customers of NEC America, Inc. and may not be reproduced
without prior written approval of  NEC America, Inc.
InfoSet is a trademark of NEC America, Inc., 
Dterm and Electra Elite are registered
trademarks of NEC America, Inc.  Windows and Microsoft Internet Explorer are
registered trademarks of Microsoft Corporation.  Netscape and...

System Manual1
GENERAL 
INFORMATION
The Federal Communications Commission (FCC) has established rules that
permit this telephone system to be directly connected to the telephone
network.  A jack is provided by the telephone company.  Jacks for this type of
customer provided equipment are not provided on party lines or coin lines.
The telephone company may make changes in its technical operations and
procedures.  If such changes affect the compatibility or use of the InfoSet 408
system, the telephone...

2Regulatory Information
Issue 1AInfoSet 408
INCIDENCE OF HARMIf the system is malfunctioning, it may also be causing harm to the telephone
network.  The telephone system should be disconnected until the source of
the problem can be determined and until repair has been made.  If this is not
done, the telephone company may temporarily disconnect service.
RADIO FREQUENCY 
INTERFERENCE
In compliance with FCC Part 15 rules, the following statement is provided:
IMPORTANT NOTE
“Except as noted below, this...

InfoSet 408Issue 1A
System Manual3
HEARING AID 
COMPATIBILITY
The NEC Multiline telephones and NEC single line telephones that are
provided for this system are hearing aid compatible and comply with the
volume control requirements.  The manufacturer of other single line
telephones for use with the system must provide notice of hearing aid
compatibility to comply with FCC rules that now prohibit the use of non-
hearing aid compatible telephones.
MUSIC ON HOLDIMPORTANT NOTE
In accordance with U.S....

4Regulatory Information
Issue 1AInfoSet 408
Termination of the supplementary equipment earthing conductor is
permitted to be made to building steel, to a metal electrical raceway
system, or to an earthed item that is permanently and reliably
connected to the electrical service equipment earthed.

Bare, covered or insulated earthing conductors are acceptable.  A
covered or insulated earthing conductor must have a continuous
outer finish that is either green or green with one or more yellow
stripes.
UL...

InfoSet 408Issue 1A
System Manual5
Users should ensure for their own protection that the electrical ground
connections of the power utility, telephone lines and internal metallic water
pipe system, if present, are connected together.   This precaution may be
particularly important in rural areas.
CAUTION
Users should not attempt to make such connections themselves, but
should contact the applicable electric inspection authority or electrician.  
The Ringer Equivalence Number (REN) assigned to each...

6Regulatory Information
Issue 1AInfoSet 408
The InfoSet 408 B408-B10 KSU provides memory backup (lithium battery)
for a minimum of two years. 
IMPORTANT SAFEGUARDS FOR BATTERY DISPOSAL
DO NOT PLACE USED BATTERIES IN YOUR REGULAR TRASH!  THE
PRODUCT YOU PURCHASED CONTAINS A NICKEL-CADMIUM OR
SEALED LEAD BATTERY.  NICKEL-CADMIUM OR SEALED LEAD
BATTERIES MUST BE COLLECTED, RECYCLED, OR DISPOSED OF IN
AN ENVIRONMENTALLY SOUND MANNER.  
The incineration, landfilling or mixing of nickel-cadmium or sealed lead...

InfoSet 408Issue 1A
System Manual7
PRODUCT PACKAGE LABELING
CONTAINS NICKEL-CADMIUM BATTERY.
BATTERY MUST BE RECYCLED OR
DISPOSED OF PROPERLY.  MUST NOT BE
DISPOSED OF IN MUNICIPAL WASTE.
CONTAINS SEALED LEAD BATTERY.
BATTERY MUST BE RECYCLED.  MUST NOT
BE DISPOSED OF IN MUNICIPAL WASTE.
Pb
Ni-Cd 

System Manuali
Table of Contents
Chapter  1    System Overview
Section  1 Your System  .................................................................................... 1-1
Section 2 Equipment ........................................................................................ 1-1
Section 3 Power Requirements  ...................................................................... 1-5
3.1 Power Supply Inputs  ....................................................................1-5
3.2 Power Supply...