Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line
Patent
1986-11-04
1988-03-01
Schreyer, Stafford D.
Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Of trunk or long line
H04B 346
Patent
active
047291265
ABSTRACT:
An apparatus for accessing and testing communication systems and for controlling said accessing and testing. A microprocessor operates under software control to perform various supervisory and computational functions. Communications components permit the microprocessor to interface with components dedicated to the accessing and testing of telephone lines as well as with terminals and other computers.
REFERENCES:
patent: 3969594 (1976-07-01), DeLuca et al.
Schreyer Stafford D.
TII Computer Systems, Inc.
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