Permanent adapter having modulation and demodulation means for connecting networks
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United States of America Patent
Stats
-
Feb 22, 1994
Grant Date -
N/A
app pub date -
Aug 6, 1992
filing date -
Aug 9, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A terminal adapter including modulation and demodulation circuits for connecting a LAN and a WAN on the basis of an Internet standard protocol prescribing a procedure of communication as well as terminating a line service and providing data transmission to a terminal system. The terminal adapter further includes an extractor for extracting, from packets constituted by received data as an output of the demodulation circuit and transmitted data as an input to the modulation circuit, a simple network management Protocol message indicating the Internet standard network control protocol, and network control means for performing network control according to the simple network management protocol message and performing network control according to signals obtained from the modulation and demodulation circuits.
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