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Joined: Jul 2003
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I just re-read this post and withdrew my comment.
You will need a t-berd or similar to prove your case to the telco.
Good luck!
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Joined: May 2002
Posts: 17,722 Likes: 18
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That made my post make no sense, not that any of them do. 
Retired phone dude
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Joined: Oct 2006
Posts: 122
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May I ask why the Ace is in line? Why not plug the PRI right into the phone system?
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Joined: Nov 2006
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According to Panasonic the Ace is an FCC requirement.
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Joined: Nov 2006
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The Provider just let me know that the excel program template for programming this circuit had a voice activity detection circuit set to very sensetive parameters. When they rebuilt the circuit they were supposed to disable this feature but they now tell me that they must not have pressed !save! when they made the change. Customer now says that the voice quality is back to normal.
Is the CSU a Federal requirement or Not- that is the question.
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Joined: Oct 2006
Posts: 122
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Hrmmm strange. I'm a big fan of not adding anything into the mix that doesn't need to be there. An FCC requirement eh? Perhaps I should do a little homework. :p
Glad to hear your problem is resolved.
Fred
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Joined: Jan 2005
Posts: 15,379 Likes: 13
Moderator-Vertical, Vodavi, 1A2, Outside Wire
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Moderator-Vertical, Vodavi, 1A2, Outside Wire
Joined: Jan 2005
Posts: 15,379 Likes: 13 |
The CSU/DSU is a requirement. This gives the telco the capability to look both ways on the circuit when testing. Some systems have this capability built-in to the card, but if it doesn't, you have to use one.
They also help condition the circuit. I have encountered video conferencing installations without CSUs installed and the video would freeze up every 19 seconds. The conference would have to be restarted. Once we added CSU's, everything was great.
Ed Vaughn, MBSWWYPBX
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Joined: Oct 2006
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I'm only referring to not needing a CSU when it's for a voice only circuit. PRI or TDM/E&M.
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Joined: Nov 2006
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I just received a call from the PRI provider and they have a new circuit to the customers location. They say that is has been running and tested for about a month and would like to switch the customer to this new circuit. We are still seeing evening RAI alarms about every 3 to 5 days, but the customer has not complained about clipping or disconnects. Does anyone know of an occurance in a 5E switch that would cause these alarms and if this solves the problem, where do I send the bill?? 
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Joined: May 2002
Posts: 17,722 Likes: 18
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The 5E would not send out a yellow (RAI) to your equipment, unless it lost signal and saw a AIS (red) incoming.
Retired phone dude
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