Local network testing using carrier sense multiple access and co

Details Local network testing using carrier sense multiple access and co Local network testing using carrier sense multiple access and co

1989-03-15

1990-07-31

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 853, H04J 116, H04J 314

Patent

active

049455320

ABSTRACT:
A tester for local networks of the carrier sense multiple access and collision detection type with a bus architecture transmission system. The network includes at least one elementary segment comprising a number of stations. The tester includes a transmission and reception circuit analagous to those of the stations, including, in addition, a collision generating device which emits a data frame when it has received from the encoding and decoding circuit associated with the transmission and reception circuit, a signal indicating the presence of a transmission of a frame by some station other than itself, and a transmission request from the transmission control circuit, this transmitted frame being received by the encoding and decoding circuit.

REFERENCES:
patent: 4380088 (1983-04-01), Lipcon
patent: 4516122 (1985-05-01), Tomikawa

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