prENV 50XXX

Signalling protocols on PTNX extension lines - S reference point, basic and primary rate access - 1) a: layer 1 sign. prot. BA at the S ref. pt., Subset for data proc. terminals; b: layer 1 sign. prot. BA at the S ref. pt., general specification; 2) layer 1 sign. prot. PMA at the S ref. pt prENV 50XXX

Current stage: 30.98 Project deleted Jun 1, 1989

Originator: CENELEC

Owner: CLC/TC 208 PROVISIONAL TITLE: Electrotechnical aspects of telecommunication equipment

Type: Pre Standard

ABANDON
prENV 50XXX
30.98 Project deleted
Jun 1, 1989

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