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Home | Support | FAQs | TimeProvider 500 FAQs

TimeProvider 500 FAQs

 
Q1: What are the methods for communicating with the TimeProvider 500?
Q2: The TimeProvider 500 provides what type of output signaling?
Q3: What type of oscillator does the TimeProvider 500 use?
Q4: Does the TimeProvider 500 support multicast?
Q5: Does the TimeProvider 500 support VLAN?
Q6: What are the available configurable packet rates?
Q7: What happens to configurations when the TimeProvider 500 is power cycled?
Q8: What is the RS323 factory default baud rate?
Q9: Are interfaces if1, If2, if3, and if4 only used for VLAN?
Q10: Which interface do I use for networks that are not using VLAN?
Q11: Which Ethernet-standard network connection does TimeProvider 500 use?
Q12: Which command is used to verify connectivity between the TimeProvider 500 and the TimeProvider 5000?
Q13: Which command is used to view the current PTP settings?
Q14: Is the TimeProvider 500 IEEE 1588v2 Translator interoperable with grandmaster products other than TimeProvider 5000?
Q15: What does it mean when the 1588 LED is blinking green at a high rate?
Q16: Which command is used to view a list of current PTP settings?
Q17: Which command is used to identify the current output configuration?
Q18: Can the TimeProvider 500 be configured to accept a backup grandmaster?
Q19: Does the TimeProvider 500 support the management facilities of PTP?
Q20: Can PTP management messages be used to upgrade firmware?
Q21: Is the TimeProvider 500's factory default setting for if0 “disabled?”
Q22: Which command is used to set if0 for non-VLAN connections?
Q23: Does the TimeProvider 500 offer Holdover mode in the event that PTP packet flow is lost?
Q24: Where does the TimeProvider 500 receives its synchronization from?
Q25: Does the TimeProvider 500 make IPDV (IP Packet Delay Variation) measurement?
Q26: When PTP flow has been locked between the grandmaster and the TimeProvider 500, is the TimeProvider 500 timestamp clock automatically set?
Q27: What types of non-volatile logs does the TimeProvider 500 provide?
Q28: Can I upgrade TimeProvider 500 firmware remotely?
Q29: Does the TimeProvider 500 continue normal operation during the upgrade process?
Q30: Which command is used to bring the new firmware into service after an upgrade?
Q31: Which command is used to check the IP address of the TimeProvider 500?
Q32: Does the TimeProvider 500 have a dedicated 10MHz output port?

Q1: What are the methods for communicating with the TimeProvider 500?
A: You can connect locally with a RS232 connection or remotely using a Telnet connection.
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Q2: The TimeProvider 500 provides what type of output signaling?
A: The TimeProvider 500 provides 1PPS, 10MHz, E1, and T1 outputs.
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Q3: What type of oscillator does the TimeProvider 500 use?
A: TimeProvider 500 uses a Quartz oscillator.
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Q4: Does the TimeProvider 500 support multicast?
A: The TimeProvider 500 supports hybrid-multicast and auto-negotiated unicast.
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Q5: Does the TimeProvider 500 support VLAN?
A: Yes. The TimeProvider 500 supports up to four separate VLANs.
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Q6: What are the available configurable packet rates?
A: The packet rate can be configured as 16, 32, or 64 packets per second.
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Q7: What happens to configurations when the TimeProvider 500 is power cycled?
A: Configurations are stored and retained in non-volatile memory.

On the PackeTime PTP modules, there is only one physical port for the service port that accepts either optical or Ethernet connections. This port is located on the front of the module.
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Q8: What is the RS323 factory default baud rate?
A: The default baud rate is 57600.
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Q9: Are interfaces if1, If2, if3, and if4 only used for VLAN?
A: Yes. For non-VLAN networks, use interface if0.
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Q10: Which interface do I use for networks that are not using VLAN?
A: Use Interface if0 which is the factory default setting.
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Q11: Which Ethernet-standard network connection does TimeProvider 500 use?
A: The TimeProvider 500 network connection is 100 Base-T.
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Q12: Which command is used to verify connectivity between the TimeProvider 500 and the TimeProvider 5000?
A: Use the “ping” command.
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Q13: Which command is used to view the current PTP settings?
A: Use the “show ptp” command.
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Q14: Is the TimeProvider 500 IEEE 1588v2 Translator interoperable with grandmaster products other than TimeProvider 5000?
A: Yes. TimeProvider 500 is fully interoperable with Symmetricom’s TimeProvider 5000, TimeHub, and SSU 2000 IEEE 1588v2 grandmaster products, as well as third-party grandmaster products that comply with the IEEE 1588v2 protocol standard.
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Q15: What does it mean when the 1588 LED is blinking green at a high rate?
A: It means a PTP packet flow exists.
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Q16: Which command is used to view a list of current PTP settings?
A: Use the “show status” command.
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Q17: Which command is used to identify the current output configuration?
A: Use the “show output” command.
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Q18: Can the TimeProvider 500 be configured to accept a backup grandmaster?
A: Yes, an alternative grandmaster can be configured.
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Q19: Does the TimeProvider 500 support the management facilities of PTP?
A: Yes. PTP management messages can be used to set the acceptable master table, reboot the unit, or to upgrade the firmware. The PTP management messages can also be used to read the acceptable master table, get status information, respond to the null-mgmt message, and get the clock description.
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Q20: Can PTP management messages be used to upgrade firmware?
A: Yes. Upgrading the TimeProvider 500 firmware via PTP management performs an action identical to the “upgrade” CLI command. An autonomous PTP message is available to indicate to a node-manager that an upgrade is in process.
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Q21: Is the TimeProvider 500's factory default setting for if0 “disabled?”
A: No. The default setting for if0 is “enabled.” This default setting enables any non-VLAN network connection. The if1, if2, if3, and if4 interfaces make it possible to have four different VLAN connections if needed.
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Q22: Which command is used to set if0 for non-VLAN connections?
A: The if0 default setting is already enabled for a non-VLAN connection; therefore, if0 does not need to be set for a non-VLAN connection.
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Q23: Does the TimeProvider 500 offer Holdover mode in the event that PTP packet flow is lost? A: Yes. The TimeProvider 500 will switch to Holdover mode in the event that PTP packet flow is lost. The TimeProvider 500 will maintain < 20 microseconds of accuracy for up to 24 hours following the loss of the PTP reference.
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Q24: Where does the TimeProvider 500 receives its synchronization from?
A: The synchronization is received from the grandmaster clock through IEEE 1588TM-2008 (1588v2) Precision Time Protocol (PTP) flow.
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Q25: Does the TimeProvider 500 make IPDV (IP Packet Delay Variation) measurement?
A: Yes, the measurements will be on the packet flows to the currently-used grandmaster. Sync packets will be used for forward measurements, and delay packets will be used for reverse measurements.
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Q26: When PTP flow has been locked between the grandmaster and the TimeProvider 500, is the TimeProvider 500 timestamp clock automatically set?
A: Yes. If the grandmaster is using GPS as a reference, the timestamp clock will automatically be set. If the grandmaster is using an input reference other than GPS, the TimeProvider 500 timestamp clock will not be set. It can be manually set with the “set clock time” command.
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Q27: What types of non-volatile logs does the TimeProvider 500 provide?
A: The TimeProvider 500 provides both event and configuration logs. The event log provides a history of timestamped entries (alarms or events) whenever conditions exists that have not been disabled or set to an “event” severity level. The configuration log provides a history of timestamped entries when a user setting is changed, logon and logoff sessions, power-on, clearing of the log, and resetting the time.
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Q28: Can I upgrade TimeProvider 500 firmware remotely?
A: Yes, see the TimeProvider 500 user guide for details.
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Q29: Does the TimeProvider 500 continue normal operation during the upgrade process?
A: Yes.
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Q30: Which command is used to bring the new firmware into service after an upgrade?
A: Use the “reboot system” command.
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Q31: Which command is used to check the IP address of the TimeProvider 500?
A: Use the “show interface config” command.
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Q32: Does the TimeProvider 500 have a dedicated 10MHz output port?
A: Yes.
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