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BS 7112:1991 Procedures for achievement of interoperability and security by use of encipherment at the physical layer of OSI in telecommunication systems conveying automatic data processing information
standard by BSI Group, 05/31/1991
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Cross References:
BS 7111
BS ISO 2382:Part 9
BS ISO 7498-2
ANSI X3.92
CCITT Recommendation V.24
CCITT Recommendation V.54
CCITT Recommendation X.20
CCITT Recommendation X.20 bis
CCITT Recommendation X.21
CCITT Recommendation X.21 bis