Low-Voltage SPM Detector

Brief Description The FX631 is a low-power, system-selectable Subscriber Pulse Metering (SPM) detector to indicate the presence, on a telephone line, of both 12kHz and 16kHz telephone call-charge frequencies. Features Detects 12kHz and 16kHz SPM Frequencies Low Power (3.0 VoltMIN

Low-Voltage SPM Detector

Low-Voltage SPM Detector

Brief Description The FX631 is a low-power, system-selectable Subscriber Pulse Metering (SPM) detector to indicate the presence, on a telephone line, of both 12kHz and 16kHz telephone call-charge frequencies. Features Detects 12kHz and 16kHz SPM Frequencies Low Power (3.0 VoltMIN

Low-Voltage SPM Detector

Brief Description The FX631 is a low-power, system-selectable Subscriber Pulse Metering (SPM) detector to indicate the presence, on a telephone line, of both 12kHz and 16kHz telephone call-charge frequencies. Features Detects 12kHz and 16kHz SPM Frequencies Low Power (3.0 VoltMIN

Low-Voltage SPM Detector

Brief Description The FX631 is a low-power, system-selectable Subscriber Pulse Metering (SPM) detector to indicate the presence, on a telephone line, of both 12kHz and 16kHz telephone call-charge frequencies. Features Detects 12kHz and 16kHz SPM Frequencies Low Power (3.0 VoltMIN

Low-Voltage SPM Detector

Low-Voltage SPM Detector

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