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Joined: Jul 2006
Posts: 93
Member
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Member
Joined: Jul 2006
Posts: 93 |
MPD is pretty rare now as it is not compatible with ADSL service on the same line, in the UK is was withdrawn about six years ago.
All I can offer is from odd bits of information I've seen:
On old Samsung systems you had to plug in additional PRS or MPD modules to sockets on the trunk card to enable polarity reversal or meter pulse detection respectively.
I belive that the 4TRM (OS7100) and 4TM (OS7030) analog trunk cards support polarity reversal detection as standard (as the DAA chips support this), but there appears to be no information in the General Description or Installation manuals.
There is a caution in the OfficeServ Programming Manual "This MPD facility requires the Meter Pulse Detection version of the trunk card." - it is unclear if this is a special version of the trunk card, or if you can fit MPD modules to some cards (there are sockets on the 4TM and 8TRK but NOT the 4TRM).
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