pair gain

(redirected from Pair gain system)

pair gain

The number of additional wire pairs that may be served by applying some technology to existing telephone lines (wire pairs). For example, with the installation of digital loop carrier equipment at the telco office and at the customer site, one cable pair can be turned into two phone lines. Two cable pairs can be turned into many more lines using T1 and other technologies. Every channel bank, digital loop carrier and DSLAM is a pair gain system. See channel bank, digital loop carrier and DSLAM.

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digital loop carrier

References in periodicals archive ?

SBC extends its copper service lines from its central offices to the end user customer premises, or through pair gain systems (fed by either copper T1s or fiber) then via copper to the end user customer premises, says Steve Teter, general manager, OSP- FTP support.

Bundled services: drive future of telecom

Telspec will complete the delivery of their full range of 2-, 4-, 8- and 10-channel pair gain systems within the next four years.

Telspec to supply pair gain equipment to Telkom South Africa

Both companies previously placed an order for Telspec's TelMax digital pair gain systems in order to provide 62,500 extra subscriber lines in a pilot trial.