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 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