xxxiv
Issue 1
December 1997
Figures
11
Commands and Reports
11-1
EC1 Loopbacks
11-2
DS3 Loopbacks
11-3
Automated Transmission Test of DS3 Signal in
MUX Direction
11-4
Automated Transmission Test of DS3 Signal in
DEMUX Direction
A
A SONET Overview
A-1
SONET STS-1 Frame — Simplified Version
A-2
Section, Line, and Path Definitions
A-3
SONET Frame Format
A-4
VT Path Overhead Byte
A-5
SONET Multiplexing Procedure
A-6
SONET Demultiplexing Procedure
A-7
STS-1 Synchronous Payload Envelope in Interior
of STS-1 Frame
A-8
Asynchronous Multiplexing
A-9
Synchronous Multiplexing
A-10
STS-3c Concatenated Payload
A-11
SONET Interface