CDM-625 Advanced Satellite Modem Revision 13
Ethernet-based Remote Product Management MN-CDM625
6–57
If Enabled, PTP is used to establish independent Wireless Receiver/Transmitter (WRT)
protocol segments – one for LAN and the other for WAN. If Disabled, by default the
availability of the PTP protocol is dependent on the near-end (e.g., the RNC/BSC) and
distant-end (e.g., the BTS) IEEE 1588v2 (PTP) capable network devices in the network.
• Grandmaster – Use the drop-down list to assign to which side (either the LAN port or the
WAN port) the PTP Grandmaster is connected. Note the following:
Selection Function
LAN The LAN port receives messages from the PTP master.
WAN The WAN port receives messages from the PTP master.
Click [Submit] to save these settings.
Status
Click [Refresh] to update this section with its most recently accumulated statistics.
These status parameters are read-only and cannot be changed. Note the following:
Top
Specifies whether or not PTP is actively attempting to synchronize time.
PTP Time
Displays the time that has been synchronized with the master device and is being
propagated to the slave devices.
Bottom
PTP Port
Displays whether or not the Ethernet link is detected. The PTP Port is always
Ethernet Port 2 on the modem.
RTV Time
Displays the presumed time for the modem. While the PTP time depends on the
Grandmaster device, the RTC Time changes only when set by the user.
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