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It is equipped with 4 FXO interfaces

DC loop trunk interfaces that can detect line DC feed, polarity reversal are capable of on-hook reception of tones such as receiving Caller ID information transmitted. The analog DC loop trunk card is for 600 ohm resistive reference impedance.

There are no 12 or 16kHz charge pulse detectors for FXO interfaces.


w.pxf.lscd004 enables 4 analog DC loop trunks (FXO).

Number of units per system

Usually 1 unit of card in a PX24M or PX24X system.


Any free slot in a PX24M system. For PX24X systems, see PX24X Hardware Installation - Slot Maps

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Page last modified on October 21, 2013, at 02:11 AM EST
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