Norm

ETS 300462-5:1996 en

Transmission and Multiplexing (TM) - Generic requirements for synchronization networks - Part 5: Timing characteristics of slave clocks suitable for operation in Synchronous Digital Hierarchy (SDH) equipment

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Over deze norm

Status Ingetrokken
Aantal pagina's 26
Gepubliceerd op 01-09-1996
Taal Engels
Outlines requirements for timing devices used in synchronising network equipment that operates according to the principles governed by the Synchronous Digital Hierarchy (SDH). These requirements apply under the normal environmental conditions specified for SDH equipment. Typical SDH equipment contains a slave clock linked to a master, or a primary reference clock. The logical funtion of the SEC is described in figure 2 of ETS 300462-2. In general the SDH Equipment Clock (SEC) will have multiple reference inputs. In the event that all links between the master and the slave clock fail, the equipment should be capable of maintaining operation (holdover) within the prescribed performance limits contained within this ETS.

Details

ICS-code 33.040.20
Nederlandse titel Transmission and Multiplexing (TM) - Generic requirements for synchronization networks - Part 5: Timing characteristics of slave clocks suitable for operation in Synchronous Digital Hierarchy (SDH) equipment
Engelse titel Transmission and Multiplexing (TM) - Generic requirements for synchronization networks - Part 5: Timing characteristics of slave clocks suitable for operation in Synchronous Digital Hierarchy (SDH) equipment
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