For push-button phones, when the asterisk * is pressed, the IC1 DTMF decoder control logic remains. The audio off-hook of the IC4 FM audio receiver is placed on the telephone line RY2 which is a DPDT 12V relay. To keep the caller ID, press the touch-tone phone star key and hang up.
V.35 CONNECTORS
SPECIFICATIONS
Current Rating :7A
Insulation Resistance :≥1000 MΩ
Dielectric Withstanding Voatge :
1200VAC MIN 1Minute
Operating temperature : -55°C~ 105°C
Contact Resistance :≤35mΩ
Insulator Material :PBT & G/F UL 94V-0
Contact Material : Phosphor Bronze
Suitable:V.35VCT-F FEMALE TERMINAL
V.35 CONNECTORS
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