Multiplex communications – Wide area network – Packet switching
Patent
1985-09-20
1987-05-05
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 85, 3701101, H04J 116, H04J 302, H04J 312
Patent
active
046637540
ABSTRACT:
A remote control system for data communication includes a local modem as an initiating modem and a remote modem as a responding modem coupled by an analog duplexed channel, and a pair of intermediate modems coupled by a digital duplexed channel, inserted between the initiating and the responding modes. Each intermediate modem includes communication control circuitry to translate a port designation from the initiating modem into a port designation corresponding to the responding modem. Thus, the system makes it possible to simply designate a port of the remote modem to effect designation of a corresponding port of the local modem with the initiating modem having no information indicating correspondence between the port of the responding modem and those of the initiating modem.
REFERENCES:
patent: 3996553 (1976-12-01), Siems et al.
patent: 4597073 (1986-06-01), Staples
NEC Corporation
Olms Douglas W.
Scutch III Frank M.
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