US PATENT SUBCLASS 370 / 223
.~.~.~ Using a secondary ring or loop

Current as of: June, 1999
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370 /   HD   MULTIPLEX COMMUNICATIONS

216  DF  FAULT RECOVERY {3}
221  DF  .~ Bypass an inoperative station {1}
222  DF  .~.~ In a ring or loop network {1}
223.~.~.~ Using a secondary ring or loop {1}
224  DF  .~.~.~.~> Loopback of signals on the secondary ring or loop

DEFINITION

Classification: 370/223

Using a secondary ring or loop:

(under subclass 222) Subject matter wherein the inoperative station is bypassed by using an auxiliary closed transmission loop.