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Telesis hybrid analog subscriber (FXS) and DC loop trunk (FXO) line card for PX24M and PX24X systems. It is equipped with 8 FXS interfaces and 4 FXO interfaces.

The subscriber interfaces can drive loops up to 3,000 ohm resistance (including the terminal equipment) and is capable of on-hook transmission such as sending Caller ID information. The analog subscriber line card is for 600 ohm resistive reference impedance.

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.lscx008 enables 8 subscriber interfaces (FXS) of the DAH board.

w.pxf.lscd004 enables 4 analog DC loop trunks (FXO) of the DAH board.

Number of units per system

Usually 1 unit of DAH 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 09, 2013, at 12:57 AM EST
Subject to change without any notice. All rights reserved 2010 - Telesis A.S.
Iskitler Cad. No.68 Ankara, TURKEY. Tel: +90 312 3840540 Fax: +90 312 3840549