NEBS
GR-3160-CORE is NEBS Lite for Data Center Equipment
GR-3160-CORE, NEBS Requirements for Telecommunications Data Center Equipment and Spaces, is sometimes described as ‘NEBS Lite.’ It includes important reliability and safety requirements, without the full set of hurdles found in the NEBS telecom standards, like GR-1089-CORE and GR-63-CORE. But what exactly are the differences for equipment evaluation? Following is a basic overview. The test... Read More
MIL-STD-461 for Military EMC & GR-1089-CORE for NEBS Telecom EMC Share Some Requirements
The electromagnetic compatibility (EMC) requirements for telecom and military equipment are considered among the most difficult to meet for any industry. Not many electronics manufacturers conduct testing for both requirements, but it happens occasionally. For those who do, it’s an advantage to pursue both at the same time, as there is some overlap. Following is... Read More
Despite Difficult NEBS Testing, Telecom Equipment Manufacturers Increasingly Benefit from Compliance to GR-1089-CORE & GR-63-CORE
When the power goes out, more often than not, the landline phone still works. And often the cell phone too. This is no accident. The NEBS (Network Equipment Building System) family of standards is designed to keep the network running no matter what, and they are more comprehensive and more difficult to comply with than... Read More
Verizon NEBS ITL Lab Meeting Features Personnel & Requirements Changes
Verizon’s annual NEBS meeting in Baltimore, Maryland with ITL Labs was last week, and MET Labs’ NEBS guru Troy Franklin was there. Following are highlights from his notes. NEBS Personnel Changes Verizon NEBS Program Head Howard Davis has exited the NEBS group, assuming leadership of Verizon’s Optical Systems Testing team in Baltimore. Andy Marquis, from... Read More
Guidance Issued on GR-1089-CORE Issue 6 Variance from Issue 5
Now that Verizon has accepted GR-1089-CORE Issue 6 with exceptions, MET Labs’ Electromagnetic Compatibility (EMC) Department has issued a guidance document that details the variances from Issue 5. See highlights, following. (Want a handy cheat sheet that details what can and cannot be grandfathered from Issue 5? Contact MET and ask for the “Issue 6... Read More
EMC & Product Safety Groups Unite for Discussion of NEBS Testing
Last week, MET Labs hosted a joint meeting of the Central Texas Chapter of the IEEE EMC Society and the Central Texas Chapter of the IEEE Product Safety Engineering Society. The feature presentation – “Ten Things You Must Know about NEBS” – was a topic of interest to both groups. The Network Equipment Building System (NEBS)... Read More
Verizon Revises VZ.TPR.9203 to Include Testing Requirements by Location for Wireless NEBS Equipment
Last month, Verizon revised its Technical Purchasing Requirement VZ.TPR.9203 to include testing requirements by location for wireless Network Equipment Building System (NEBS) equipment. Issue 5 replaces Issue 4, which dated from March, 2009. Wireless equipment is a small, but growing, portion of the overall NEBS market. VZ.TPR.9203 Issue 5 includes a new “Table 2,” which details... Read More
Telcordia Releases GR-1089-CORE Issue 6 for NEBS Testing
Telcordia Technologies has released the Issue 6 update to GR-1089-CORE, Electromagnetic Compatibility (EMC) and Electrical Safety – Generic Criteria for Network Telecommunications Equipment. Issue 6 replaces Issue 5, which dated from August 2009. Here is a sneak peak at some of the key updates in the Network Equipment Building System (NEBS) document: Section 3, “Electromagnetic... Read More
Chuck Graff Drops Bombshell on First Day of NEBS Conference
NEBS Guru Chuck Graff dropped a bombshell today, the first day of the 16th annual Verizon NEBS Conference in Scottsdale, AZ. He announced his retirement. All the other presentations about the broadband and wireless network, smart grid, ATT’s overview, energy efficiency, and even the presentation on evaluating product change paled in comparison. Chuck’s official title... Read More
