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  Telephones “Prestige - ATS”, “Prestige - K”, “Prestige - CB”, “Prestige - S”, “Prestige - C” are supposed to be used together with ASC`s (automatic switching centers) or switching equipment using double line or four-wire circuit in special networks.
In speak- and stand-by conditions power supply is performed through automated line from constant-voltage source of ASC or switching equipment within (60+6)V, with supply bridge resistance equal to 2x(500±50) Ohm, and automated line resistance equal to 0 till 600 Ohm.
These telephones have an electrostatic and magnetic screening. They must be used in enclosed heated spaces that provide following:
- Ambient temperature from +5°С to +40°С
- Air humidity up to 80% under +25 °С;
- Atmospheric pressure from 84 to 107 kPa (from 632 to 805 mm of mercury column)
The phones have desktop case
 
Prestige - ATS
                     
  This phone has tone double-frequency calling device, in four-wire lines this calling device is included into the transfer loop and receive loop as well.
The volume rate of calling signal 0,5m away from frontal side of the phone is not less than 70dB.
The phone is able to duplicate acoustic calling signal with an optic signal.
 
 
 
Dialing: 
- Pulse and tone;
- Redial;
- Indication of dialing number and time of current conversation on LCD.
 
This phone is compatible with phone switchers: ATP-1, ATP-2.
The impedance rate in four-wire lines within frequency range from 150 to 3400 Hz is equal to (600±180) Ohm.
Weight: no more than 3,5 kg.
Measures: 217×167×112 mm.
 
Prestige - K
 
  This model provides communication, switching with holding between lines, switching between stand-up/in use modes and cancellation of conversation by placing of handset on hook switch button.
The phone has two tone double-frequency calling devices.
The volume rate of calling signal 0,5m away from frontal side of the phone is not less than 70dB.
The phone is able to duplicate acoustic calling signal with an optic signal.
  
 
Dialing:
- Pulse and tone
- Redial
- Indication of dialing number and time of current conversation on LCD
This phone is compatible with phone switchers: ATP-1, ATP-2.
The impedance rate within frequency range from 150 to 7000 Hz is no more than 720 Ohm.
Weight: no more than 3,5 kg
Measures: 217×167×112 mm
 
 
Prestige - CB
 
This phone is possessed of tone double-frequency calling device, in four-wire lines can be included into the transfer loop and receive loop as well. 
The volume rate of calling signal 0,5m away from frontal side of the phone is not less than 70dB.
The phone is able to duplicate acoustic calling signal with an optic signal.
This phone is compatible with phone switchers: ATP-1, ATP-2.
The impedance rate of transferring in four-wire connection, of receive-transferring in two-wire connection within frequency range from 150 to 7000 Hz is no more than 720 Ohm.
The impedance rate of receiving in four-wire lines within frequency range from 150 to 3400 Hz is equal to (600±180) Ohm.
Weight : no more than 3,5 kg
Measures: 217×167×112 mm
 
 
 
Prestige - S
           
The volume rate of calling signal 0,5m away from frontal side of the phone is not less than 64dB.
The phone is able to duplicate acoustic calling signal with an optic signal.
The gain control range of transmission channel is equal to (10±3)dB.
The gain control coefficient of receive channel is equal to (10±3)dB under maximal receiving amplifying. 
The gain control range of receive channel is equal to (20±3)dB.
The outcoming impedance rate within frequency range from 150 to 7000 Hz is no more than 720 Ohm.
The incoming impedance rate within frequency range from 150 to 3400 Hz is equal to (600±180) Ohm.
Weight: no more than 2 kg
Measures: 220×167×115 mm
               
                                           
Prestige - C
 
This model provides loud receive of incoming signals.
The volume rate of calling signal 0,5m away from frontal side of the phone is not less than 64dB.
The phone is able to duplicate acoustic calling signal with an optic signal.
Dialing:
- using of digital code and indication of dialing number
- saving and redial of last number
- dialing of programmed number
 
  This phone provides closing of signal loop after picking up of handset.
This phone provides closing of signal loop after removing of phone cap or power outlet cover.
Electrical crosstalk rate between transmission channel outlet and screen loop no less than 50 dB.
The incoming impedance rate in four-wire connection within frequency range from 150 to 3400 Hz is no more than (600±180) Ohm.
Weight: no more than 3,5 kg
Measures: 217×167×112 mm

Contacts:

+7(342) 239-09-17
Elena Levenetz - Chef of import & export department
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