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A SONET Overview
A-18 Issue 3 June 2000
SONET Interface
A
The SONET interface (Figure A-11) provides the optical midspan meet between
SONET network elements. A SONET network element is the hardware and
software that processes one or more layers of the SONET signal.
Figure A-11. SONET Interface
SONET Payloads A
Table A-1 shows the digital signals that can be transported as SONET payloads.
SONET
Network
Element
Digital
Tributaries
SONET Interface
Standard optical interconnect at SONET interface
Family of standard rates at N X 51.84 Mb/s
[Synchronous Transport Signal (STS-1)]
Overhead channels defined for interoffice operations
and maintenance functions
SONET
Network
Element
Digital
Tributaries
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