A 30-pair Main Distribution Frame (MDF) box equipped with Krone modules serves as a critical component in telecommunications for terminating and managing up to 30 pairs of telephone lines. The specifications of such a box can vary based on the manufacturer and intended application. Below are general specifications and features commonly associated with these units:
Capacity:
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Designed to accommodate up to 30 pairs of telephone lines, typically utilizing three 10-pair Krone-type modules.
Dimensions:
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Common dimensions include approximately 140 mm x 190 mm x 100 mm, though sizes may vary among different models.
Material and Construction:
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Constructed from durable materials such as ABS (Acrylonitrile Butadiene Styrene) plastic, known for its impact resistance and longevity.
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Some models feature fire-resistant properties to enhance safety.
Ingress Protection (IP) Rating:
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Many units are rated at IP65, indicating protection against dust and water, making them suitable for both indoor and outdoor installations.
Cable Entry and Management:
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Equipped with cable glands (e.g., PG13) to facilitate secure cable entry and exit, ensuring proper strain relief and environmental sealing.
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Includes features for organized cable management, such as jumper rings or designated routing paths.
Mounting Options:
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Designed for versatile mounting on walls or poles, accommodating various installation environments.
Environmental Operating Conditions:
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Typically built to withstand operating temperatures ranging from -25°C to 40°C, with relative humidity levels up to 95%.
Additional Features:
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Some models offer overvoltage protection capabilities to safeguard connected equipment.
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Lockable enclosures provide enhanced security against unauthorized access.
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