Information Technology
Official British Standard
PD 7027:1995
Essential requirements for terminal equipment intended for connection to digital leased circuits of the public telecommunications network using a CCITT Recommendation X.21bis interface
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Technical Information
Information Technology
BSI Group
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Specification Details
- Essential requirements for terminal equipment intended for connection to digital leased circuits of the public telecommunications network using a CCITT Recommendation X
- 21bis interface
Official BSI Standard
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