![](http://pdfasset.owneriq.net/0/6c/06c5ae41-3f60-43fe-ba83-193124e3e8c5/06c5ae41-3f60-43fe-ba83-193124e3e8c5-bg15.png)
Black Box
®
Heavy Duty Edge Switches Installation and User Guide(07/05)
9
Mean Time Between Failure (MTBF) – over15 years, Telcordia (Bellcore) Method
Agency Approvals and Standards Compliance
:
UL Listed (UL 60950), cUL, CE,
Emissions meets FCC Part 15 Class A.
NEBS L3 and ETSI compliant.
Hardened and Extreme models: IEEE 1613 Env. Std for Electric Power Substations
Extreme models: NEMA TS-2 and TEES for traffic control equipment
Extreme models: designed for UL 2043 above-the-ceiling installation
IEC61850 EMC and Operating Conditions Class C Power Substations
Made in USA