The 1577 is a universal cable tester designed for technicians working with a wide range of legacy and modern connectors.
What it does
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Maps cable pinouts (end-to-end wiring)
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Detects:
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Opens
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Shorts
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Crossed wires
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Offers:
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Auto scan + manual scan modes
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LED indicators for easy diagnostics
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Works with 20+ cable types, including:
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RJ45 / RJ11 / RJ12 (Ethernet & phone)
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USB (A/B/Mini)
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Coax (BNC, CATV “F” with adapter)
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D-sub (DB9, DB15, DB25, VGA)
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FireWire (1394)
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S-Video, PS/2, printer cables
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Range & power
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Up to ~1000 ft for 50Ω cables, ~600 ft for 75Ω
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Powered by a 9V battery with auto shut-off