Programmable testing analyzer
First Claim
1. A transmission test arrangement for use with a digital telecommunication system, said system including a central switch having a common control unit including a system bus and controlled by said common control unit, a switching network, and a plurality of line interface units being internally connected to said switching network and each said line interface unit being adapted to be connected to a corresponding line circuit, said test arrangement for executing performance tests on devices of said telecommunication system and comprising:
- a bus-oriented microprocessor system designed for synthesizing and analyzing test signals in accordance with a particular algorithm written in a particular signal processing language, including a processor bus, and, residing on said processor bus, a microprocessor, a program memory, a main memory and a first interface module;
said first interface module being connected to said system bus for receiving test control information specifying a test procedure from the common control unit and for transmitting test results to the common control unit;
said main memory and said program memory being designed for storing intermediate data and control information for executing a test, respectively; and
a second interface module for providing an interface between a device of the telecommunication system and the bus-oriented microprocessor system, the second interface module being connected to a selected one of said line interface units for simulating an information source and sink, respectively with respect to one of said devices of the telecommunication system being temporarily linked to said selected line interface unit across the switching network under control of the common control unit, the particular algorithim written in the particular signal processing language permitting control of signal synthesis, signal analysis and signal processing functions of the transmission test arrangement, the transmission test arrangement operating in real time or off line under software control.
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Abstract
The invention relates to a transmission testing arrangement for executing performance tests for a telecommunication system which includes a central switch to the common control unit, a switching network, and line interface units internally connected to the switching network and adapted for connection to a corresponding line circuit. The testing arrangement includes a bus-oriented microprocessor system for synthesizing and analyzing test signals, a program memory, a main memory, and first and second interface modules.
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Citations
27 Claims
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1. A transmission test arrangement for use with a digital telecommunication system, said system including a central switch having a common control unit including a system bus and controlled by said common control unit, a switching network, and a plurality of line interface units being internally connected to said switching network and each said line interface unit being adapted to be connected to a corresponding line circuit, said test arrangement for executing performance tests on devices of said telecommunication system and comprising:
a bus-oriented microprocessor system designed for synthesizing and analyzing test signals in accordance with a particular algorithm written in a particular signal processing language, including a processor bus, and, residing on said processor bus, a microprocessor, a program memory, a main memory and a first interface module; said first interface module being connected to said system bus for receiving test control information specifying a test procedure from the common control unit and for transmitting test results to the common control unit; said main memory and said program memory being designed for storing intermediate data and control information for executing a test, respectively; and a second interface module for providing an interface between a device of the telecommunication system and the bus-oriented microprocessor system, the second interface module being connected to a selected one of said line interface units for simulating an information source and sink, respectively with respect to one of said devices of the telecommunication system being temporarily linked to said selected line interface unit across the switching network under control of the common control unit, the particular algorithim written in the particular signal processing language permitting control of signal synthesis, signal analysis and signal processing functions of the transmission test arrangement, the transmission test arrangement operating in real time or off line under software control. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
Specification