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1. INTRODUCTION
1. INTRODUCTION
1.1 Purpose
This manual provides the information necessary to repair, calibration, description and download the
features of this model.
1.2 Regulatory Information
A. Security
Toll fraud, the unauthorized use of telecommunications system by an unauthorized part (for
example, persons other than your company's employees, agents, subcontractors, or person working
on your company's behalf) can result in substantial additional charges for your telecommunications
services. System users are responsible for the security of own system. There are may be risks of
toll fraud associated with your telecommunications system. System users are responsible for
programming and configuring the equipment to prevent unauthorized use. The manufacturer does
not warrant that this product is immune from the above case but will prevent unauthorized use of
common-carrier telecommunication service of facilities accessed through or connected to it. The
manufacturer will not be responsible for any charges that result from such unauthorized use.
B. Incidence of Harm
IIf a telephone company determines that the equipment provided to customer is faulty and possibly
causing harm or interruption in service to the telephone network, it should disconnect telephone
service until repair can be done. A telephone company may temporarily disconnect service as long
as repair is not done.
C. Changes in Service
A local telephone company may make changes in its communications facilities or procedure. If
these changes could reasonably be expected to affect the use of the this phone or compatibility with
the network, the telephone company is required to give advanced written notice to the user, allowing
the user to take appropriate steps to maintain telephone service.
D. Maintenance Limitations
Maintenance limitations on this model must be performed only by the manufacturer or its authorized
agent. The user may not make any changes and/or repairs expect as specifically noted in this
manual. Therefore, note that unauthorized alternations or repair may affect the regulatory status of
the system and may void any remaining warranty.
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1. INTRODUCTION
E. Notice of Radiated Emissions
This model complies with rules regarding radiation and radio frequency emission as defined by
local regulatory agencies. In accordance with these agencies, you may be required to provide
information such as the following to the end user.
F. Pictures
The pictures in this manual are for illustrative purposes only; your actual hardware may look slightly
different.
G. Interference and Attenuation
An phone may interfere with sensitive laboratory equipment, medical equipment, etc.Interference
from unsuppressed engines or electric motors may cause problems.
H. Electrostatic Sensitive Devices
ATTENTION
Boards, which contain Electrostatic Sensitive Device (ESD), are indicated by the sign.
Following information is ESD handling:
Service personnel should ground themselves by using a wrist strap when exchange system
boards.
When repairs are made to a system board, they should spread the floor with anti-static mat which
is also grounded.
Use a suitable, grounded soldering iron.
Keep sensitive parts in these protective packages until these are used.
When returning system boards or parts like EEPROM to the factory, use the protective package
as described.
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1. INTRODUCTION
1.3 Abbreviations
For the purposes of this manual, following abbreviations apply:
APC Automatic Power Control
BB Baseband
BER Bit Error Ratio
CC-CV Constant Current