TR TSY 000820 : ISSUE 1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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OTGR: NETWORK MAINTENANCE: TRANSPORT SURVEILLANCE - GENERIC DIGITAL TRANSMISSION SURVEILLANCE, SECTION 5.1 (A MODULE OF OTGR, FR-NWT-000439)
01-11-1994
12-01-2013
Bellcore's view of the functional criteria for transport Network Elements (NEs), necessary to support the surveillance of digital transmission entities such as lines and paths. Specific transmission technologies covered in this document include DS1, DS3 and (in the future) SONET. The focus is on surveillance criteria necessary for detecting transmission failures/degradations and notifying operations personnel, rather than on-site maintenance procedures
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