LFXO BOX for Loop-AM3440 FXO card

  • RJ11 connector for FXO BOX
  • Provides equivalent Co
  • –12 Vdc ~ –60 Vdc feed

The FXO BOX provides battery feed when testing FXO interface. The FXO interface expects central office battery
feed for proper operation. When testing the FXO interface for say impedance incorrect reading results when testing with no
battery feed. By using the FXO BOX, the equivalent of central office battery is supplied to the FXO.

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Loop-AM3440-FXO BOX Support FXO Interface Battery Feed

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FXO connector RJ11×1
Test connector Banana Jack ×2
Insertion Loss <0.5dB
Current output MAX 300mA
Power input range –12 Vdc ~ –60 Vdc


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