Withdrawn

GB 12048-1989Requirements for clock and synchronization equipment used in the digital network (English PDF)

数字网内时钟和同步设备的进网要求

GB 12048 | Evolution and historical versions

Std ID	Title	Status
GB 12048-1989	Requirements for clock and synchronization equipment used in the digital network	Obsolete

GB 12048-1989 is obsolete. This page sells the obsolete edition, for projects and contracts that still cite it.

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Issued by

State Technical Supervision Bureau

Level / Type

National · Mandatory

Issue date

January 2, 1989

Implementation date

July 1, 1990

Scope

GB 12048-1989 is the English-translated version of 数字网内时钟和同步设备的进网要求.

GB 12048-1989 is the Chinese national standard "Requirements for clock and synchronization equipment used in the digital network". It was issued on January 2, 1989 by the State Technical Supervision Bureau, and took effect on July 1, 1990. It is obsolete: it has been withdrawn.

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Document preview — GB 12048-1989

National Standard of the People's Republic of China

Issued by: State Technical Supervision Bureau

Document data

1 Document data

Sector: National standard (Mandatory).

Issuing body: State Technical Supervision Bureau.

Date of issue: 1989-01-02.

Date of implementation: 1990-07-01.

Status: obsolete, withdrawn.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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