Description
This is a pulse signal conversion audio signal converter specially designed for the dial type old telephone. Your old phone can convert the original pulse signal into DTMF signal through this converter. The number you dial out of your phone can be identified by modern switches to achieve the purpose of dialing. In this way, your love machine is not only used as a display device, but also used in daily life several decades ago.
It is especially suitable for users of cities or regions that do not support dial dial signals of old dial phones.
The installation is simple, and the telephone is not changed. Just connect the 2 wires of the telephone to the specified terminal and insert the crystal head of the telephone line.
When it is installed, after the line is connected, when the handle of the telephone is brought up, the indicator light of the converter is bright and the telephone is dialed. Each dial will hear the same double sound signal sound as the modern key phone in the headset.
Please note: the dial should not be placed at all. The indicator should not be lighted. Otherwise, there is a problem with the phone.
The dialing method is the same as that of the old telephone.
Note: This version does not have the function of redial and dialing.
Specification
Operating Temperature : +
