Lightning protected maintenance termaination unit

Details Lightning protected maintenance termaination unit Lightning protected maintenance termaination unit

1995-03-30

1998-02-24

Hong, Harry S.

Telephonic communications

Subscriber line or transmission line interface

Protective circuit

379412, 361119, H04M 174

Patent

active

057217734

ABSTRACT:
Disclosed is a maintenance termination unit which is protected against lightening strikes and excessive currents. Resistors are placed in series with the tip and ring switches of the unit. Voltage breakdown devices, such as gas tube protectors, are coupled in a parallel with the resistors and switches.

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patent: 5442519 (1995-08-01), DeBalko et al.
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