Chapter 16. Ethernet Network Configuration; Configuration | Ant (Advanced Network Timing) Pages; Configuration | Ant | Ptp (Precision Time Protocol); Figure 6-30. Configuration | Ant | Ptp Page - Comtech EF Data CDM-625 Installation And Operation Manual

Advanced satellite modem (18 kbps – 25 mbps)

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CDM-625 Advanced Satellite Modem

Ethernet-based Remote Product Management

Sect. 16.7 Advanced Network Timing (ANT) (Chapter 16. ETHERNET NETWORK

CONFIGURATION)

The ANT feature provides IP-based protocols to synchronize the modem's internal time-of-day

clock to an external device such as a time server, Base Station Controller (BSC), or Radio

Network Controller (RNC).

Select the PTP or SNTP tab to continue.

6.5.4.3.11.1

Sect. 16.7.2 Precision Time Protocol (PTP) (Chapter 16. ETHERNET NETWORK

If the optional IP Packet Processor card is installed and enabled, then the

'Configuration | ANT | PTP menu, while selectable, are not functional.

All network devices between the Grandmaster and Slave devices must support PTP

for sub-microsecond accuracy.

Precision Time Protocol (PTP) is a FAST-activated feature used to synchronize computer clocks

throughout a computer network. On LANs, PTP achieves clock accuracy in the sub-microsecond

range – much more accurate than what is attainable by NTP (Network Time Protocol) – and it is

also used in network applications where GPS is either unaffordable or inaccessible.

Feature – Use the drop-down list to set PTP operation as Enabled or Disabled.