Information technology. Use of X.25 packet layer protocol in conjunction with X.21/X.21 bis to provide the OSI connection-mode network service Ingestion-build-79769 Local Authorities/Local Council

Local Authorities/Local Council

and wherever medical devices are placed in sterile barrier systems and sterilized

Recording and dubbing studios

3 Measurement points

6 Overpressure test

Information technology. Use of X.25 packet layer protocol in conjunction with X.21/X.21 bis to provide the OSI connection-mode network service Ingestion-build-79769 Local Authorities/Local Council1 Scope This CCITT Recommendation International Standard is applicable to the environments where Recommendation X. 21 or X. 21 bis is used and where the X. 25 packet layer protocol (PLP), as standardized in ISO IEC 8208, is operated during the X. 21 X. 21 bis data phase to provide the OSI Connection mode Network Service (CONS). These environments include a CSDN and an ISDN Terminal Adaptor complying with Recommendation X. 30 which provides an X. 21