TimeCesium 4400

The TimeCesium 4400 produces accurate, spectrally pure, and stable output signals using a cesium beam tube resonator. Using a TimeCesium 4400 delivers total control of your network synchronization source, enhances network performance, reduces errors in the SONET/SDH payload, and prevents up-stream network clock errors from propagating across the network.

Get up and running fast

• Easy to install, the TimeCesium™ 4400 is fully operational within 45 minutes.
• Plug and play architecture provides highly reliable operation over the lifetime of the system.

Worry Free Operation

TimeCesium™ 4400 provides superior performance and maintenance free operation.

Standards based

TimeCesium 4400 meets telecommunication industry standards including ITU-T, ETSI, ANSI, Telcordia, NEBS and AS/CE.

Output Signal Formats

DS1, E1, 2048 kHz G.703/13, 10 MHz, 5 MHz, 1.544 MHz and Composite Clock Outputs

Robust Warranty

The TimeCesium 4400 comes with a 12-year cesium tube warranty.

Data Sheets
TimeCesium 4400 (E1) (PDF)