[EMAIL PROTECTED] wrote: > [EMAIL PROTECTED] wrote: >>> -----Original Message----- >>> From: [EMAIL PROTECTED] >>> [mailto:[EMAIL PROTECTED] On Behalf Of Steven >>> Critchfield Sent: Saturday, 4 December 2004 1:44 AM >>> To: Ed Greenberg; Asterisk Users Mailing List - Non-Commercial >>> Discussion Subject: Re: [Asterisk-Users] Ouch, part reset, quickly >>> >>> >>> On Fri, 2004-12-03 at 09:09 -0800, Ed Greenberg wrote: >>>> I have exactly this problem. When it happens, I lose access to some >>>> FXS ports and get Geiger counter style clicking on the FXOs. I just >>>> opened a ticket with Digium on the subject, but given what I just >>>> read, perhaps I should not have high hopes. >>> >>> Is it possible that your PSU isn't up to the task? If you aren't >>> running a 400 or 500 watt PSU, I would be suspect of the PSU. That >>> error message was attributed to not getting enough power before they >>> put a power plug on the board itself. Now you know you aren't >>> getting strangled by the PCI bus, but it still might not be enough >>> power if you PSU isn't up to snuff to hold the power stable and >>> high enough. -- Steven Critchfield <[EMAIL PROTECTED]> >>> >> >> Interestingly enough, the data sheet does not give any info. on what >> are power requirements for this board. Does anyone have this data? >> >> Regards >> Garry Taylor > > I requested this information from Digium and was provided with the > following: > > Max Power Draw per TDM400 (Watts): 20 > 2 Watts per FXO > 5 Watts per FXS > > They also told me each FXS port would support a REN (ringer > equivalence number) of 5.0, which means that you should be able to to > ring five of the old electromechanical telephones > simultaneously off of each FXS port on the card - 20 of them in all. > > Does anybody know what the wattage is for a REN?
Here's some technical information about REN. Not sure how useful it is to the discussion, or whether it answers my question. http://www.powerdsine.com/Support/FAQ/#ringers_faq -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.296 / Virus Database: 265.6.2 - Release Date: 20/12/2004 _______________________________________________ Asterisk-Users mailing list [email protected] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
