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The Effect of New Daylight Savings Rules on CXR Larus Timing and Synchronization Products March 1, 2007 In 2005 the US Government enacted the Energy Policy Act, which moved the starting and ending dates for Daylight Savings Time (DST) to approximately 4 weeks earlier and later, repectively, beginning in March 2007. As a result of this the CXR Larus Engineering and Quality teams have recently completed an exhaustive examination of our entire suite of timing and synchronization products and have concluded that our products will be unaffected by the change. CXR Larus timing products that are GPS based use a user configured time offset to UTC (Universal Coordinated Time) or GMT (Greenwich Mean Time) time provided by the GPS satellites to provide local time. The offsets for local DST and Standard Time (ST) are manually configured by the customer, and this will not change just because DST or ST now occurs on a different date. CXR Larus timing products that are not GPS based utilize manual updating for DST or ST. These are also unaffected by the moving of DST start or ending times. Our Network Time Protocol (NTP) products output only UTC time, so it is the users client software not the NTP server that must be updated for DST. If you have any questions about how to change the local time in your CXR Larus product please consult the product's users manual for information. For further information about the changes for Daylight Savings Time, check out the NIST Website: CLICK HERE About CXR Larus CXR Larus Corporation consists of three telecommunication units of EMRISE CORPORATION, an international manufacturer of defense and aerospace electronic components, subsystems and telecommunications equipment with operations in the US, France, UK and Japan. Together, these business units combine common technologies and markets to develop transmission and network access products, timing and synchronization systems, and test instruments for a global marketplace. The focus is on providing equipment to meet the emerging requirements for voice, data and video transport, synchronization and timing, and testing for public and private networks. Further information on CXR Larus' products and services can be found at: www.cxrlarus.com . For further information, contact: Mike Ritz, Director of Product Marketing
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