Download Agilent OmniBER XM Network Simulator User Guide

user_guide.book Page 13 Friday, January 30, 2004 11:35 AM
11
Telecoms Concepts
Glossary
Signal Rates
243
259
Summary of Errors and Alarms
260
SONET Concepts
262
SONET STS-1 Frame Structure
263
SONET Payload Structure
264
SONET Overhead Bytes
265
Section Overhead (SOH)
266
Line Overhead (LOH)
267
STS Path Overhead (STS POH)
274
VT Path Overhead (VT POH for VT-1.5, VT-2 or
VT-6)
278
SDH Concepts
281
SDH Frame Structure
282
SDH Payload Structure
283
SDH Overhead Bytes
284
Regenerator Section Overhead (RSOH)
285
Multiplex Section Overhead (MSOH)
286
Higher Order Path Overhead (HO POH)
293
Lower Order VC-n Path Overhead (LO POH for VC-11,
VC-12 or VC-2)
298
Service Disruption
304
Test Configuration for Measuring Service Disruption
Time
305
Contributors to Protection Switching Time
306
Protection Switching Time Test Methods
308
Understanding Service Disruption Test Results
315
Index
User Guide
13