Data communications device with resident link adapter

Details Data communications device with resident link adapter Data communications device with resident link adapter

1992-07-17

1995-02-07

Beausoliel, Jr., Robert W.

Excavating

371 48, G06F 1110, H03M 1300

Patent

active

053881095

ABSTRACT:
A data communications device (101, 119) may be controlled from a centrally-located network management system controller (109) located some distance from the device. The data communications device is coupled to the network management system controller by a local channel (155, 157). The device includes a link adapter (133, 143) that communicates with the controller by a protocol that allows the device to exchange messages with the controller. As many as 512 devices may be coupled to the same local channel.

REFERENCES:
patent: 4377862 (1983-03-01), Koford
patent: 4631666 (1986-12-01), Harris
patent: 4845715 (1989-07-01), Francisco
patent: 4914654 (1990-04-01), Matsuda
patent: 5058110 (1991-10-01), Beach
patent: 5063523 (1991-11-01), Vrenjak
"An LSI Implementation of an Intelligent CRC Computer and Programmable Character Comparator," A. J. Weissberger, IEEE Trans. on Computers, Feb. 1980, pp. 116-124.
"Fast data-comm controller speaks to all protocols over two sets of channels," Magill et al., Electronic Design, Jan. 24, 1985, pp. 157-168.
"Control chip handles error checking and character-based protocols easily," A. J. Weissberger et al., Electronics, Mar. 27, 1980, pp. 151-154.
"Data Communications: A Comprehensive Approach," Held et al., McGraw-Hill, 1989, pp. 75-93, 274-275, 278-281 and 480.

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