The FiberSafe™12 battery is specially designed for use with your AT&T U-verse VoiceSM service and the iNID Power Supply Unit (iPSU).
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  • What is the purpose of the FiberSafe™12 backup battery? >>
  • Where is the Fibersafe12 backup battery located? >>
  • What is the purpose of the iNID? >>
  • What is the purpose of the iNID Power Supply Unit (iPSU)? >>
  • How does the FiberSafe12 battery backup system work? >>
  • How can I tell if the iNID and the iPSU are working properly? >>
  • How do I monitor the FiberSafe12 backup battery and what should I look for? >>
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FiberSafe12 Battery Replacement
If you would like to purchase a FiberSafe12 battery, please call EnerSys at 1.866.327.5755 from 8am to 5pm Eastern Time.  We accept Visa, Mastercard and American Express.

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