To: Frank A. Coluccio who wrote (42798 ) 10/15/2009 6:55:32 AM From: NDBFREE Read Replies (1) | Respond to of 42804 lightreading.com . read down about 5-6 articles to get to this one... Timing is everything Ray Le Maistre Tuesday October 13, 2009 11:47:49 AM no ratings MRV is in synch with the backhaul sector... ===== High-quality timing synchronization is extremely important in 2G GSM, 2.5G GPRS, 3G UMTS and 4G LTE/WiMAX mobile networks for a successful call signal hand-off between cellular base stations. However, existing solutions for clock synchronization function only as a dedicated timing gateway, while in realistic implementation at the field the requirements are heading toward carrier-Ethernet enabled services including OAM, traffic management and SLA assurance. As a result, MRV has developed a revolutionary approach that enables universal support of legacy and next generation 4G LTE and beyond cellular networks. The OptiSwitch 904-MBH is a compact Carrier Ethernet purpose-built cell-site demarcation device that enables high-quality timing synchronization over packet switched networks. The device delivers support for synchronization over Ethernet (SyncE) and precision time protocol (PTP-1588v2) paired with very robust traffic management capabilities and end-to-end visibility of mobile services and applications by incorporating enhanced OAM tools at ultra-precise nano- second accuracy. Many carriers are looking to replace circuit switched backhaul with IP because it is less expensive way to meet increasing bandwidth needs on mobile networks driven by increased data traffic. The flexibility of the OptiSwitch 904-MBH enables end-to-end synchronization with maximum investment protection of the existing network. With the MRV OS904-MBH, carriers can build their timing solution to support their 3G networks of today, and leave it in place as they migrate to 4G networks. === Migration, synchronization, and timing -- a killer combo?