GdotWhat?
Welcome to GdotWhat?
Your guide to Sync standards and how to interpret them
Contents
Recently Updated
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What Frequencies should be used for testing SyncE Wander Transfer? contributed May 31, 2022
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G.8262: Jitter Tolerance for 1G Interfaces contributed May 17, 2022
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G.8266 Wander Tolerance and Transfer contributed Aug 10, 2021
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What Frequencies should be used for testing SyncE Wander Tolerance? contributed Mar 15, 2021
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ITU-T G.8273.3 (T-TC) One-Page Summary contributed Sep 08, 2020
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G.8262: Signal interruptions and Discontinuities contributed Jun 03, 2020
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G.8273.2: SyncE Transient contributed May 21, 2020
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ITU-T SG15 Standards Updates contributed Feb 26, 2020
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Does the Full Timing Support architecture require SyncE? contributed Nov 20, 2019
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What is Fractional Frequency Offset / Drift? contributed Nov 12, 2019
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ITU-T Quick Links
Calnex Quick Links
| Key: | Device Test | Network Test |
|---|
| What are you testing? | Standard | Technical Overview | Test Guide | ||
|---|---|---|---|---|---|
| General | CX7006 | PTP Profile Compliance: The key to network timing interoperability | |||
| CX5013 | Time and Time Error, A Guide to Network Synchronisation | ||||
| Interpretation of Time Error Results | |||||
| Frequency Network Limits | G.8261.1 | CX5018 | Sentinel Field Test Plan for Frequency Synchronisation using PTP | ||
| SyncE Clock | G.8262 | CX3002 | Jitter and Wander in SyncE: Testing Jitter and Wander to ITU-T Standards | CX5001 | G.8262 SyncE conformance testing: Proving SyncE compliance to ITU-T G.8262 using Paragon-X |
The importance of measuring wander on high speed interfaces | CX5026 | Testing EECs to ITU-T G.8262 using Paragon-100G | |||
| Time and Phase Network Limits | G.8271.1 | CX5019 | Sentinel Field Test Plan for TDD-LTTE/LTE-A Synchronisation using PTP | ||
| G.8271.2 | CX4005 | Sentinel Field Test Plan for TDD-LTE/LTE-A Synchronisation in Systems using Assisted Partial Timing Support and Partial Timing Support | |||
| Boundary and Slave Clock | G.8273.2 | CX6001 | Testing a T-BC to ITU-T G.8273.2 | CX5008 | T-BC Time Error: Testing Boundary Clocks to ITU-T G.8273.2 using Paragon-X |
| CX6002 | Measuring Time Error Transfer of G.8273.2 T-BCs | CX3003 | PTP Time Error for T-BC: Testing Boundary Clocks to ITU-T G.8273.2 using Paragon-100G | ||
| CX5020 | T-TSC Time Error: Testing Time Slave Clocks to ITU-T G.8273.2 using Paragon-X | ||||
| Transparent Clock | G.8273.3 | CX5021 | T-TC Time Error: Testing Transparent Clocks to ITU-T G.8273.3 using Paragon-X | ||
| Time-Aware Relay | IEEE802.1AS (gPTP) | gPTP: Proving Time Accuracy for Automotive Systems | CX5030 | Time Aware Relay: Time Error Testing using Paragon-X | |
| CX7003 | gPTP: Testing Synchronisation for Industrial TSN | ||||