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ADC HiGain Remote Enclosure HRE-422 L1 - Modular expansion base - 0 / 2 - 2 ports
The HiGain Model HRE-422 L1 Remote Indoor Enclosure accepts two single width, "400" mechanics plugs. The HRE-422 L1 has RJ-48C DS1 interface connectors. The HRE-422 L1 is strictly an indoor enclosure that must be restricted to "protected" environments that prevent exposure to outdoor hostile elements. In addition to its use as an enclosure, the HRE-422 L1 contains protection switching circuitry for operation in applications where automatic 1x1 switching, from a primary circuit to a protection circuit is needed. A toggle switch inside the HRE-422 L1 enables customers to select this protector switch mode. The HiGain HRU-232 line unit is required at the CO end to provide the complete protection switch circuit.
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