Default all oh – EXFO FTB/IQS-85100G Packet Blazer for FTB-500/IQS-600 User Manual
Page 309
Test Functions
Packet Blazer
299
OH - SONET/SDH
F3:
SDH only: User Channel. The Path User Channel provides a channel for
communication purposes between path elements and is payload
dependent.
K3:
SDH only: Automatic Protection Switching (APS). Bits 1 to 4 of the K3
byte are used for APS signaling. K3 bits 5 to 8 are reserved for future
use.
N1:
SONET: The N1 byte (formerly referred to as the Z5 byte) is allocated
for Tandem Connection Maintenance (TCM) and the Path Data
Channel.
SDH: (Network operator byte) The N1 byte is allocated to provide a
Higher-Order Tandem Connection Monitoring (HO-TCM) function.
Default all OH
Returns all TX overhead bytes to their factory default values.
See also other documents in the category EXFO Measuring instruments:
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- AXS-200/850 Ethernet Test Set (262 pages)
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- DC0091A (3 pages)
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- ETS-1000 (173 pages)
- ETS-1000G (195 pages)
- ETS-1000L (47 pages)
- EXpert IP Test Tools (62 pages)
- EXpert IPTV Test Tools (FTB-1 / 2 Pro) (82 pages)
- EXpert IPTV Test Tools (FTB-200v2) (82 pages)
- EXpert VoIP Test Tools (107 pages)
- FIP-400 Fiber Inspection Probe and ConnectorMax (78 pages)
- FIP-400B Fiber Inspection Probe Multifiber (2 pages)
- FIP-400B Fiber Inspection Probe and ConnectorMax2 (111 pages)
- FIP-425B/435B Fiber Inspection Probe and ConnectorMax2 Mobile (103 pages)
- FLS-110 Optical Polarized Source (18 pages)
- FLS-300 Light Source (40 pages)
- FLS-5800 CD/PMD Analyzer Source (106 pages)
- FLS-5800 CD/PMD Analyzer Source (98 pages)
- FLS-5800 (6 pages)
- FLS-600 Light Source (79 pages)
- FOA Compatibility (3 pages)
- FOT-5200 Coarse Spectrum Analyzer (47 pages)
- FOT-930 Multifunction Loss Tester (111 pages)
- FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434) (537 pages)
- FTB-5230S Optical Spectrum Analyzer for FTB 200 v2 (659 pages)
- FTB-5230S Optical Spectrum Analyzer for FTB 200 v2 (251 pages)
- FTB -5240S/5240BP Optical Spectrum Analyzer (638 pages)
- FTB-1 (234 pages)
- FTB-2 Pro (6 pages)
- FTB-2 Pro (443 pages)
- FTB-200 v2 Compact Modular Platform (222 pages)
- FTB-2200 for FTB-200 v2 (41 pages)
- FTB-3930 MultiTest (101 pages)