MarketPairGain Technologies
Company Profile

PairGain Technologies

PairGain Technologies Inc. was an American telecommunications equipment manufacturer founded in 1988 and headquartered in Tustin, California.

Pair gain technology
The company’s name referenced the telecommunications concept of pair gain, in which multiple voice or data channels are carried over a single copper pair using multiplexing or concentration techniques. PairGain’s early products were associated with subscriber carrier and copper-loop capacity expansion technologies before the company expanded into DSL transmission systems. == History ==
History
Founding and early growth The company was founded in 1988. IEEE Spectrum reported that former TRW engineers founded PairGain to develop DSL transceivers and introduced an HDSL system that achieved substantial early market share in business broadband deployments. PairGain completed an initial public offering in 1993. 1999 investigation and internet hoax In 1999, two executives were probed in a criminal investigation. Separately, a fabricated online takeover report in April 1999 temporarily inflated PairGain’s share price. The U.S. Securities and Exchange Commission later filed enforcement action against the individual responsible. Acquisition PairGain was acquired by ADC Telecommunications in 2000. == Patents and intellectual property ==
Patents and intellectual property
Patent databases list PairGain Technologies Inc. as assignee on multiple U.S. patents relating to DSL transmission and pair-gain systems. Representative patents include: • • • == Legacy ==
Legacy
Following its acquisition, PairGain’s DSL and subscriber carrier technologies were integrated into ADC Telecommunications’ broadband access portfolio. == References ==
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