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SPA122 stays off-hook after faxing with Brother J430W

Product: SPA122

Firmware: 1.3.5UX

Attached device: Brother J430W 

Connected PBX: 3CX

Problem Description:

I have successfully set SPA122 up with Brother J430W to send fax over 3CX PBX.  However, whenever I finished faxing, SPA122's FXS port stays off-hook and will not return to on-hook state until I unplug and replug the power of SPA122.

Is there a known issue on this?  Or, can someone advise a solution to it?

Many Thanks!

RC

 

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Unless the SPA122 hardware is

Unless the SPA122 hardware is broken, the on/off hook status is not driven by SPA122 but by connected device.

On-hook is signaled by low impedance of connected phone, off-hook by high impedance.

SPA122 didn't take own decisions, it follow impedance of phone connected.

If seems that your fax is not hanging up the line by self unless POTS line has lost the power. Check J420W documentation - you need to configure it to hangup the line by self after fax has been sent.

 

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