Cisco作为业界特立独行的老大,出手当然是精品了
【名称】:必填CISCO SDH
【作者】:必填CISCO
【格式】:必填PDF
【页数】:必填
【语言】:ENGLISH(默认)
【摘要或目录】:必填
Synchronous Digital Hierarchy (SDH) Graphical Overview..........................................................................1
Introduction............................................................................................................................................1
Before You Begin..................................................................................................................................1
Conventions..............................................................................................................................1
Prerequisites..............................................................................................................................1
Components Used......................................................................................................................1
SDH Analysis........................................................................................................................................1
The SDH Link...........................................................................................................................2
STM1 Frames...........................................................................................................................2
STM1 SOH...............................................................................................................................2
VC4 Concatenation...................................................................................................................3
SDH Hierarchy.........................................................................................................................3
SDH Maintenance Interactions..................................................................................................4
Alarms and Detection Criteria...................................................................................................4
STM1 SOH, HO−

OH and LO−

OH Bytes.............................................................................5
Related Information.............................................................................................................................12
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