Circuit arrangement employing a microprocessor module for data c

Details Circuit arrangement employing a microprocessor module for data c Circuit arrangement employing a microprocessor module for data c

1992-04-23

1995-02-21

Richardson, Robert L.

Boots, shoes, and leggings

364940, 3649426, 364238, 3642385, G06F 1300

Patent

active

053924037

ABSTRACT:
A circuit arrangement is disclosed for data conversion in an asynchronous, bidirectional data transmission between a serial data interface of a personal computer and a serial data interface of an expansion point of a communication equipment, particularly a subscriber terminal equipment. The procedures implemented in the microprocessor module of the circuit arrangement convert data for the selection of a telecommunication subscriber into a pulse sequence corresponding to the communication equipment, and also convert communication procedures between the personal computer and a communication equipment as well as status requests of performance features of the communication equipment.

REFERENCES:
patent: 4953930 (1990-09-01), Ramsey et al.
8213 Computer Networks and ISDN Systems 17 Jul. 10, 1989, No. 2 "The A-ISDN Proposal to Bridge Personal Computers and ISDN", Jaap Van Till, pp. 149-152.
Papers presented at ISDN Europe 86 the First Pan European Conference on ISDN, held 5-7 Nov., 1986--Peter Schulthess et al, "Experience with an integrated Digital PBX in a University Environment", pp. 45-51.
AT&T Technology Products, Systems and Services, vol. 1, No. 1, 1986, "The PC/PBX Connection", pp. 36 and 37.
202 Funkschau (1989) 6 Oct., No. 21, Muenchen, DE, Industriestandards fur die Sprache der Modems. pp. 40-42.
NTG--Fachtagung `Wege zum integrierten Kommunikationsnetz`, Mar. 25-27, 1985, Berlin, DE, NTG--Fachberichte Nr. 88, pp. 277-283, VDE-Verlag, Berlin, DE; F. Kaderali et al, "Diensteintegration in Nebenstellenanlagen."

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