Telecommunications is the assisted transmission of signals over a distance for the purpose of communicating voice or data, it typically involves the use of electronic transmitters such as a telephone, (voice) or computer, (data). Telephone and data lines contain copper wiring which conducts electricity, thus a target from power quality occurences, (lightning) or transients generated internally from other equipment. Regardless of the source, over time, these abnormalities can result in equipment destruction and/or data loss.


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Dirty Power
A Guide to Surge Protection
and Filtering (SL-30950)
Application Guide
Punch Down Block
Surge Protection (AG-22013)


Edco RJA-RJD Series
Edco H Series
Edco FAS-Tel & FAS-31XT
Edco TCS-T1 Series
Edco DCB Series