Optically-coupled data access arrangement and transhybrid

Details Optically-coupled data access arrangement and transhybrid Optically-coupled data access arrangement and transhybrid

1996-03-08

1998-06-30

Zele, Krista M.

Telephonic communications

Subscriber line or transmission line interface

Hybrid circuit

379402, 379399, H04M 158

Patent

active

057745412

ABSTRACT:
Isolation and interconnection of a telephone network of tip and ring lines and the analog ports of a modem are achieved with a transhybrid that incorporates optically-coupled isolation stages. Optical isolators directly connect to the tip and ring lines to provide optimal isolation and unidirectional transfer of signals.

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patent: 5315645 (1994-05-01), Metheny
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patent: 5506900 (1996-04-01), Fritz

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