In the virtual Primary Reference Time Clock (vPRTC) architecture, to minimize the dependency on GNSS, receivers are only required in the core enhanced Primary Reference Timing Clock (ePRTC) sites where they can be protected and monitored to shield the network from the risk of GNSS jamming or spoofing threats.

The TP4100 is also capable of getting its time reference from national metrology labs.

The vPRTC architecture ensures redundancy via bi-directional east and west timing flows to local source clocks in aggregation sites with 100 ns of accuracy.

TP4100 provides configuration, status monitoring and integration with up to five TimeProvider XT extension shelves for a maximum of 200 E1/T1/CC/JCC output ports.

You can configure our TP4100 clock in the following ways:

• As a gateway clock to serve timing flow toward 5G Remote Radio Heads (RRHs) as well as for various types of input and output flexibility
• As a high-performance boundary clock to deliver high accuracy over a secure optical network—meets Class D (5 ns) accuracy and is capable of an average 1 ns accuracy, meeting 15 ns accuracy for a chain of 15 boundary clocks
• In ePRTC operation mode to provide 30 ns accuracy at the source of timing chain (now capable of a 40-day holdover)
• In SSU operation mode, the TP4100 can filter the legacy inputs for jitter/wander

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