TES-B01 Time-Frequency Source for NGN

By on May 14, 2014. Posted in .

Over the past two decades Ethernet has become the dominant technology for data transmission, in particular with telecom and wireless providers, due to its simplicity and low cost. However, the asynchronous nature of Ethernet provides certain transmission challenges.

For example, Time Division Multiplexing (TDM) services such as T1/E1 and SONET/SDH require synchronized clocks at both the source and destination nodes. Similarly, wireless base stations require synchronization to a common clock to ensure a smooth call hand-off between adjacent cells.

While there are several ways to achieve synchronization over Ethernet, one gaining momentum is Synchronous Ethernet (SyncE). SyncE uses the physical layer interface to pass timing from node to node in the same way timing is passed in SONET/SDH or T1/E1. This gives telecom and wireless providers confidence that networks based on SyncE will be not only cost-effective, but also as highly reliable as SONET/SDH and T1/E1 based networks.

An important application of the Synchronous Ethernet is the new generation of mobile standards named LTE. In fact LTE based needs to transfer Frequency synchronization along the network and to do it SyncE is used. For the LTE Advanced phase (time) transfer is also mandatory and this is done using the IEEE1588v2 standard also named PTP (Precision Time Protocol).

TES-B01 is the most flexible and quality/price ratio product on the market able to be used as Grandmaster SyncE and PTP or as Boundary Clock. It provides up to 3 GbE interface (2 copper and 1 SFP optical) able to serve both standards and other telecom synchronization signals like E1, 2.048 MHz and more. If you want to find out more about TES-B01 visit this page.