Mimosa Backhaul Help Content
Mimosa Backhaul Specifications
Copyright © 2014 Mimosa Page 53
Enclosure Ratings
The IP is short for International Protection Marking described in IEC standard 60529. This standard classifies and
rates the degree of protection provided against the intrusion of solid objects and liquids into electrical enclosures.
The two numbers that follow are used to specify the degree of protection. The higher the number, the better the
protection. The first number refers to protection against solid objects. The second number refers to protection
against against liquids.
IP67 (B5/B5c, B11)
The 6 rating means that the enclosure is totally protected against dust.
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The 7 rating means that the enclosure is protected against the effect of immersion between 15 cm and 1m,
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although Mimosa does not recommend submerging any of its products.
IP55 (B5-Lite)
The 5 rating means that the enclosure allows some dust to enter, but not in sufficient quantity to interfere with
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satisfactory operation of the equipment.
The 5 rating means that the enclosure is protected against the effect of water projected by a nozzle (6.3 mm)
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against the enclosure from any direction.
Protective Vent
Product Applicability: B5/B5c, B11
The protective vent on the bottom of the B5/B5c is designed to reduce stress on the enclosure seals by constantly
equalizing the difference in pressure between the inside of the enclosure and the immediate environment. The vent
works by allowing air and other gases to pass through its microporous ePTFE membrane freely but stops liquids, dirt
and other contaminants from entering the enclosure.
Mounting Hardware
Product Applicability: B5/B5c, B5-Lite, B11
Mounting hardware is provided standard for both the B5/B5c, B5-Lite and B11.
The B5 Bracket Assembly and Pole Mount included with the B5 are made from galvanized steel. Each are coated first
with zinc for corrosion protection, and then a white powder coat is applied. The bolts used to attach the Pole Mount
may cause surface scratches to the white powder coat, but will not impact the corrosion resistance given the two
layers of protective coatings. Mimosa does not recommend the use of additional washers. Screws holding on the
back cover are stainless steel.
The B5c hardware is made from stainless steel, including the hose clamps, ground screw, and cover screws.
The B5-Lite hardware is made from stainless steel, including the hose clamp and ground screw.
The B11 hardware is made from stainless steel.
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