Bell System Technical Journal

1970

DOI: 10.1002/j.1538-7305.1970.tb02491.x

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TSPS No. 1: Peripheral Circuits

W. K. Comella¹,

Christopher M. Day²,

J. A. Hackett³

Abstract: The TSPS No. 1 peripheral circuits permit the data processing ability of the Stored Program Control No. 1A to be applied to TSPS functions. These circuits include scanners, signal distributors, networks, trunk and service circuits, operator positions and the position subsystem. A description of each circuit is given, followed by a description of the features provided by the associated maintenance program.

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TSPS No. 1: Stored Program Control No. 1A

et al. 1970

Bell System Technical Journal

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The Stored Program Control No. 1A processor complex was conceived as a program sequenced control for the Traffic Service Position System No. 1 and for the Electronic Translator Systems. It was designed to be a highly reliable complex using a conservative discrete component hardware design with excellent fault detecting capability and with exceptionally good automatic recovery of call processing when faced with hardware faults. The design aims, order structure, hardware features, fault detection, diagnostic, and recovery aspects of the system are described. Stress is placed on those features which are felt to be improvements over previous program controlled systems.

TSPS No. 1: Stored Program Control No. 1A

et al. 1970

Bell System Technical Journal

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The Stored Program Control No. 1A processor complex was conceived as a program sequenced control for the Traffic Service Position System No. 1 and for the Electronic Translator Systems. It was designed to be a highly reliable complex using a conservative discrete component hardware design with excellent fault detecting capability and with exceptionally good automatic recovery of call processing when faced with hardware faults. The design aims, order structure, hardware features, fault detection, diagnostic, and recovery aspects of the system are described. Stress is placed on those features which are felt to be improvements over previous program controlled systems.

Traffic Service Position System No. 1: Automated Coin Toll Service: Software

Hsu²,

et al. 1979

Bell System Technical Journal

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Traffic Service Position System No. 1: System Verification and Evaluation Procedures

1979

Bell System Technical Journal

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This paper describes the verification and evaluation procedures followed in the development of new features for the Traffic Service Position System (tsps). Beginning with the definition of new feature requirements, these procedures are adhered to throughout the tsps development cycle. Hardware and software designs are reviewed to verify that all requirements are met and to ensure that Bell System standards for reliability are maintained. Finally, both system laboratory and site testing are performed to verify the proper implementation of each new feature and to evaluate the overall performance of the tsps.

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