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Quick tech specs
  • Line Surge Protector S/T Interface
  • Surge protector
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Know your gear

  • Standard clamping voltage is 62 volts.
  • Available for U and S/T interfaces.
  • UL® Listed and have IEC conformance.
  • This item was discontinued on June 15, 2022

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    Black Box ISDN Data-Line Surge Protector S/T Interface - surge protector
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