Withdrawn

YD/T 909-1997General Technical Requests of STM-1 SDH Microwave Telecommunication Systems for 4~11GHz (English PDF)

4～11GHz STM-1 SDH微波通信系统总技术要求

YD/T 909 | Evolution and historical versions

Std ID	Title	Status
YD/T 909-1997	General Technical Requests of STM-1 SDH Microwave Telecommunication Systems for 4~11GHz	Obsolete

YD/T 909-1997 is obsolete. This page sells the obsolete edition, for projects and contracts that still cite it.

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Issued by

Ministry of Posts and Telecommunications

Level / Type

National · Recommended

Issue date

May 4, 1997

Implementation date

July 1, 1997

Scope

YD/T 909-1997 is the English-translated version of 4～11GHz STM-1 SDH微波通信系统总技术要求.

YD/T 909-1997 is the Chinese industry standard "General Technical Requests of STM-1 SDH Microwave Telecommunication Systems for 4~11GHz". It was issued on May 4, 1997 by the Ministry of Posts and Telecommunications, and took effect on July 1, 1997. It is obsolete: it has been withdrawn.

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Document preview — YD/T 909-1997

National Standard of the People's Republic of China

Issued by: Ministry of Posts and Telecommunications

Document data

1 Document data

Sector: Telecom (industry standard).

Issuing body: Ministry of Posts and Telecommunications.

Date of issue: 1997-05-04.

Date of implementation: 1997-07-01.

Status: obsolete, withdrawn.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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