Hi-z"" monitoring will not disrupt network traffic
High and low volume settings; polarity LED; tone & pulse modes
Abn (angled Bed of nails) clips with rugged RJ45 and RJ11 plugs
Last Number redial and memory to store up 10 phone numbers
Double-molded housing for comfort and durability
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Southwire B600 professional telephone test set "hi-z" monitoring will not disrupt network traffic. High and low volume settings, polarity LED, tone & pulse modes. Abn (Angled bed of nails) clips with rugged RJ45 and RJ11 plugs
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First Listed on Newegg
January 14, 2026
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Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.