TA-248
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The Static Ringing Generator TA-248 was used to convert 110-volt,60-cycle ac to 20-cycIe ringing current. It was part of the PanelBD-132
The Static Ringing Generator TA-248 was used to convert 110-volt,60-cycle ac to 20-cycIe ringing current. It was part of the PanelBD-132