The Protocol - May/Jun 2000

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NEBS Pre-Compliance Testing

Timeliness is everything in the telemetry industry. That's why DPS performs NEBS pre-compliance testing in its own 5-meter anechoic EMI isolation chamber.

DPS' commitment to providing partners with dependable, quality products is supported by performing in-house pre-compliance testing, which shortens the delivery time of custom units. In addition, DPS gains a knowledge base from a testing and design standpoint, which improves the overall production process.

Rigorous Testing: DPS' 5m anachoic chamber used for precompliance testing of NEBS.

DPS uses the anechoic EMI isolation chamber to verify that interference emissions are kept safely below NEBS standards in an intensive pre-compliance test phase.

DPS' NetGuardian and TE2/TBOS Test Set Interface are now undergoing testing. Once compliant, the testing will certify that non-Telco equipment will not cause harm to personnel or network equipment located in the same location.

The Network Equipment Building System requirements have been set by Telcordia Technologies (formerly Bellcore). DPS' testing will shorten the time required to complete the final testing at a Nationally Recognized Test Laboratory (NRTL). The final compliance testing is performed at National Technical Systems (NTS) in Southern California.

NEBS testing: The EMI lab uses PMM7000 for NEBS precompliance testing.

NTS will test the units for electromagnetic interference (EMI), electromagnetic compliance (EMC), fire resistance, bonding/grounding, seismic, thermal, airborne contaminants, electrostatic discharge (ESD) and lightning. The series of tests meet NEBS' Level 3 requirements.