ADTRAN ESU 120e Manuale utente
ESU 120e
User Manual
Part Number
1200420L1-1
November 1998
61200420L1-1A
ii
Trademarks:
Windows is a registered trademark of Microsoft Corp.
T-Watch is a trademark of ADTRAN, Inc.
901 Explorer Boulevard
P.O. Box 140000
Huntsville, AL 35814-4000
Phone: (256) 963-8000
© 1998 ADTRAN, Inc.
All rights reserved.
Printed in USA.
iii
ADTRAN Year 2000 (Y2K) Readiness Disclosure
ADTRAN has established a Year 2000 program to ensure that our products will
correctly function in the new millennium. ADTRAN warrants that all products
meet Y2K specifications regardless of model or revision.
Information about ADTRAN’s Y2K compliance program is available at the fol-
lowing locations:
ADTRAN Web Site www.adtran.com
Product Matrix www.adtran.com/y2kfax.html
Faxback Document Line (256) 963-8200
Y2K plans and product certifications are
listed in the matrix.
Y2K Project Line (256) 963-2200
E-mail year2000@adtran.com
iv
FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY
INTERFERENCE STATEMENT
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 lim-
its are designed to provide reasonable protection against harmful inter-
ference when the 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 frequencies. Operation of this
equipment in a residential area is likely to cause harmful interference in
which case the user will be required to correct the interference at his own
expense.
Shielded cables must be used with this unit to ensure compliance with
Class A FCC limits.
Changes or modifications to this unit not expressly approved by the
party responsible for compliance could void the user’s authority to op-
erate the equipment.
v
CANADIAN EMISSIONS REQUIREMENTS
This digital apparatus does not exceed the Class A limits for radio noise
emissions from digital apparatus as set out in the interference-causing
equipment standard entitled “Digital Apparatus,” ICES-003 of the De-
partment of Communications.
Cet appareil nuerique respecte les limites de bruits radioelectriques ap-
plicables aux appareils numeriques de Class A prescrites dans la norme
sur le materiel brouilleur: “Appareils Numeriques,” NMB-003 edictee
par le ministre des Communications.
vi
CANADIAN EQUIPMENT LIMITATIONS
The Industry Canada Certification label identifies certified equipment.
This certification means that the equipment meets certain telecommu-
nications network protective, operational, and safety requirements.
The Department does not guarantee the equipment will operate to the
user's satisfaction.
Before installing this equipment, users should ensure that it is permissi-
ble to be connected to the facilities of the local telecommunications com-
pany. The equipment must also be installed using an acceptable method
of connection. In some cases, the company's inside wiring associated
with a single line individual service may be extended by means of a cer-
tified connector assembly (telephone extension cord). The customer
should be aware that compliance with the above conditions may not
prevent degradation of service in some situations.
Repairs to certified equipment should be made by an authorized Cana-
dian maintenance facility designated by the supplier. Any repairs or al-
terations made by the user to this equipment, or equipment
malfunctions, may give the telecommunications company cause to re-
quest the user to disconnect the equipment.
Users should ensure for their own protection that the electrical ground
connections of the power utility, telephone lines and internal metallic
waterpipe system, if present, are connected together. This precaution
may be particularly important in rural areas.
Users should not attempt to make such connections themselves, but should con-
tact the appropriate electric inspection authority, or an electrician, as appropri-
ate.
The Load Number (LN) assigned to each terminal device denotes the
percentage of the total load to be connected to a telephone loop which is
used by the device, to prevent overloading. The termination on a loop
may consist of any combination of devices subject only to the equipment
that the total of the LNs of all devices does not exceed 100.
The ringer equivalence number (REN) assigned to each terminal adapter
is used to determine the total number of devices that may be connected
to each circuit. The sum of the RENs from all devices in the circuit
should not exceed a total of 5.0.
vii
Notes provide additional useful information.
Cautions signify information that could prevent service inter-
ruption.
Warnings provide information that could prevent damage to the
equipment or endangerment to human life.
viii
Important Safety Instructions
When using your telephone equipment, please follow these basic safety precau-
tions to reduce the risk of fire, electrical shock, or personal injury:
1. Do not use this product near water, such as near a bath tub, wash bowl,
kitchen sink, laundry tub, in a wet basement, or near a swimming pool.
2. Avoid using a telephone (other than a cordless-type) during an electrical
storm. There is a remote risk of shock from lightning.
3. Do not use the telephone report a gas leak in the vicinity of the leak.
4. Use only the power cord, power supply, and/or batteries indicated in the
manual. Do not dispose of batteries in a fire. They may explode. Check
with local codes for special disposal instructions.
SAVE THESE INSTRUCTIONS
ix
Warranty and Customer Service
ADTRAN will replace or repair this product within five years from
the date of shipment if the product does not meet its published
specifications or if it fails while in service. For detailed warranty,
repair, and return information refer to the ADTRAN Equipment
Warranty and Repair and Return Policy Procedure.
Return Material Authorization (RMA) is required prior to returning
equipment to ADTRAN.
For Service, RMA requests, or more information, contact ADTRAN
Customer Service listed on the inside back cover of this manual.
x
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