ASTM-E1381:1995 Edition

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E1381-95 Standard Specification for Low-Level Protocol to Transfer Messages Between Clinical Laboratory Instruments and Computer Systems

Published By	Publication Date	Number of Pages
ASTM	1995	7

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Categories: 35.240.80 - IT applications in health care technology, ASTM

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Description

ASTM E1381-95

Historical Standard: Standard Specification for Low-Level Protocol to Transfer Messages Between Clinical Laboratory Instruments and Computer Systems

ASTM E1381

Scope

1.1 This specification describes the electronic transmission of digital information between clinical laboratory instruments and computer systems. The clinical laboratory instruments under consideration are those that measure one or more parameters from one or more patient samples. Often they will be automated instruments that measure many parameters from many patient samples. The computer systems considered here are those that are configured to accept instrument results for further processing, storage, reporting, or manipulation. This instrument output may include patient results, quality control results, and other related information. Typically, the computer system will be a Laboratory Information Management System (LIMS).

1.2 The terminology of the Organization for International Standards (ISO) Reference Model for Open Systems Interconnection (OSI) is generally followed in describing the communications protocol and services. The electrical and mechanical connection between instrument and computer is described in the Physical Layer section. The methods for establishing communication, error detection, error recovery, and sending and receiving of messages are described in the Data Link Layer section. The data link layer interacts with higher layers in terms of sends and receives “messages,” handles data link connection and release requests, and reports the data link status.

1.3 Specification E 1394 is concerned with message content in the interface between clinical instruments and computer systems. The major topics are found in the following sections:

Keywords

Clinical laboratories; Communications; Computerized systems;emclinical laboratory; Digital transmission; Instruments; Low level data protocol; Message content; Patient biographical/medical data; Telecommunication; low-level protocol to transfer messages between clinical laboratory; instruments and computer systems

ICS Code

ICS Number Code 35.240.80 (IT applications in health care technology)

DOI: 10.1520/E1381-95

Additional information

Speed	5.2.3
Defective Frames	6.5.1
Receiver Interrupts	6.3.5
Mechanical Characteristics	5.3
Physical Layer	5
Electrical Characteristics	5.2
Signal Levels	5.2.1
Overview	6.1
Data Link Layer	6
Character Structure	5.2.2
Frame Number	6.3.2
Frames	6.3.1
Interface Connections	5.2.4
Restricted Message Characters	6.6
Contention	6. 2.1
Establishment Phase (Link Connection)	6.2
Checksum	6.3.3
Acknowledgments	6.3.4
Error Recovery	6.5
Timeouts	6.5.2
Termination Phase (Link Release)	6.4
Transfer Phase	6.3
Connector	5.3.1
Cable	5.3.2
	Section
ICS Codes	35.240.80 - IT applications in health care technology