NSG 9000-6G - Harmonic Inc

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Chapter 3 Configuring Platform Parameters Configuring/Viewing DTI Parameters port fails, the standby port is activated and assumes the role of "active" as long as it is in normal state. If the latter fails, ports will be switched again. This switching can continue any number of times, without any preference of a specific port. Automatic (Auto Revert) - in this mode, the selected port (as defined in Selected Port) is always preferred over the other port. In case that the selected port fails, the standby port is automatically activated. Once the selected port is fixed, the NSG automatically switches back to the selected port. 5. To select the active DTI port, open the Selected Port list and select either port 1 or 2. NOTE: The Selected Port list is disabled if Automatic (no Auto Revert) is selected. 6. In Notification, define which notification to send once the status of the DTI client changes: Log Status Change Events - send a notification to the alarm log upon a change in the status of the DTI client Send Trap on Status Change - send an SNMP trap upon a change in the status of the DTI client 3.11.2 Viewing DTI Client and DTI Port Information 1. Select the Platform > General tab. 2. In the In Back Panel View, select the DTI component. NOTE: The DTI section is enabled only when a DTI client is installed in the device. The General tab appears. 3. To view DTI client information, focus on Client Information section. In Overall Status, verify that the DTI status is NORMAL. The following table lists the available Status options: Table 3-5: DTI Client State Options Status Warmup Freerun Normal Bridging Holdover Fast Explanation Local oscillator has not yet stabilized DTI client is not locked to the signal of the DTI server, and is running freely using its own internal real-time clock. Freerun indicates that since its last initialization, the client was not locked to the server. DTI client is locked to the DTI server, working normally This is a transient state, which may last up to 2 seconds. It indicates that the DTI client has experienced a momentary interruption in its timing signal, but is still able to maintain acceptable timing. NSG 9000 is still locked to the DTI server clock. DTI client lost its sync to the DTI server clock. Working in "best effort mode", with the last known valid time correction The DTI client has just acquired a valid signal, and is in the process of locking to it. If this status is displayed for a prolonged time, this indicates a problem with the received DTI signal or with the DTI client. In 10Mhz Ref., indicates whether the 10Mhz Reference signal is present. In Timestamp, view the last DTI timestamp © 2012 Harmonic Inc. 40 NSG 9000-6G, Version 2.7, Rev B
Chapter 3 Configuring Platform Parameters Configuring/Viewing DTI Parameters In Active Port, view the currently active DTI port. In FPGA Version, view the installed FPGA version of the DTI client. 4. To view DTI client port information, focus on the Per Port Information section. For each port view the following information: DTI Signal Detected - indicates whether a valid DTI signal is detected. Server Status - indicates the status of the server as it is communicated to the client. Available status indications are as follows: Warmup, Freerun, Fast, Normal, or Holdover. CRC Error Count - indicates the number of CRC error occurrences on the DTI link. Cable Advanced Valid - indicates whether cable advance is valid. A valid, i.e. Stable, Cable Advance value is essential in order for the client to lock to the server. Frame Error Rate - indicates the Frame Error Rate as follows: Below 2%, 2% to 5%, or Over 5%. 3.11.2.1 DTI Client State Diagram Reboot Status = Warmup , changes to Freerun once oscillator stabilizes. Alarm: DTI Link Down Link Detected Status = Fast Alarm: DTI Not Locked Status = Bridging , changes to Holdover after a few seconds . Alarm: DTI Link Down Successful sync Link lost Status = Normal Status = Bridging , changes to Holdover after a few seconds. Alarm: DTI Not Locked Sync lost © 2012 Harmonic Inc. 41 NSG 9000-6G, Version 2.7, Rev B
Page 1 and 2: NSG 9000-6G Narrowcast Services Gat
Page 3 and 4: Documentation Conventions This manu
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Chapter 4 Configuring Applications
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Chapter 5 Conditional Access System
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Chapter 6 Monitoring and Troublesho
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Appendix A Firmware Upgrade Using a
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Appendix B Upgrade Server Installat
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Appendix C Standard ES Types and De
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Appendix D Control Panel Using the
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Appendix D Control Panel Using the
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Appendix E EIA SDT and HRC Standard
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Harmonic Inc. 4300 North First Stre
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NSG 9000-6G - Harmonic Inc

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