The Digium TDM400P has an external power socket to power the ringer for the extensions (top right on the link, hidden behind the daughter boards), so it's a bit of a non-question in this case, really (:
Steve On Tue, 31 Jul 2007 01:08:38 -0700 Graham Freeman <[EMAIL PROTECTED]> wrote: > > Hi, folks, > > First of all, I'd like to extend my hearty thanks to Soekris > Engineering for producing an excellent product line. I've deployed > net4501- and net4801- based firewall/VPN endpoints (mostly running > m0n0wall[1]) for a number of clients, and the results have been truly > excellent. Sturdy, reliable, and powerful enough to do the job. > > So, in the process of experimenting with VOIP I'm getting my hands > dirty with various distributions of Asterisk on various hardware > configurations. For my own home office PBX, the Soekris net5501 > seems to be the best fit - it makes no noise whatsoever, is > physically small, consumes very little power, seems to be powerful > enough for my needs, and has room for an FXS/FXO[2] adapter card. > Best of all, AskoziaPBX[3] is rapidly shaping up to be an excellent > Asterisk implementation well-suited to the net5501, much in the same > way that m0n0wall is an excellent firewall/VPN endpoint. > > Here's my question: Will the Digium TDM400P[4] (with 2ea S110M FXS > [5] and X100M FXO[6] modules) work in my net5501? If so, will I need > a supplemental power supply such as the Digium PWR2400B[7]? If so, > any suggestions on how I'd shoe-horn it into the case after > installing the TDM400P? > > I saw the April 2006 thread on this list about the TDM400P on a > net4801, in which Kevin Fleming wrote[8] that "the ringing generators > on the FXS modules require more > current on the 12V power supply than the PCI spec allows." This > sounds plausible, but can someone confirm? > > On a related note, I currently (heh heh) have the 1.5A power supply > for my net5501. So far it's been sufficient for the experimentation > I've done. However, I'm happy to pick up the 2.5A supply if adding > the TDM400P (+ modules) and a 2.5" hard drive will require me to do so. > > FWIW, I'm confused about the power requirements after having done > some homework and come up with this: The Digium web site says that > the TDM400P is a PCI 2.2 card[4]. The Soekris web site says that > the PCI slot on the net5501 is 3.3v only. I'm not clear after > skimming Wikipedia article[9] on PCI as to whether PCI 2.2 is 3.3v- > only or if it's just that 3.3v is a commonly used implementation. > Obviously, I'm not an expert in such things. > > Any advice/feedback would be appreciated. > > thanks, > > Graham Freeman > General Manager, Cernio Technology Cooperative > Email/Jabber: [EMAIL PROTECTED] > +1 415 462 2991 home office (0900 to 2100 San Francisco time) > www.cernio.com > > > [1] m0n0wall - http://m0n0.ch/wall/ > [2] FXS = the port you'd plug an analog phone into. FXO = the port > you'd use to connect to an analog telco line. > [3] AskoziaPBX - http://askozia.com/pbx > [4] TDM400P - http://www.digium.com/en/wheretobuy/digiumdirect/ > productview.php?product_code=1TDM22BRF-02 > [5] S110M FXS module - http://www.digium.com/en/wheretobuy/ > digiumdirect/productview.php?product_code=1S110MF-01 > [6] X100M FXO module - http://www.digium.com/en/wheretobuy/ > digiumdirect/productview.php?product_code=1X100MF-01 > [7] PWR2400B power supply - http://www.digium.com/en/wheretobuy/ > digiumdirect/productview.php?product_code=1PWR2401BLF-01 > [8] Thread on TDM400P with net4801 - http://lists.soekris.com/ > pipermail/soekris-tech/2006-April/010231.html > [9] Wikipedia article on PCI - http://en.wikipedia.org/wiki/ > Peripheral_Component_Interconnect > > _______________________________________________ > Soekris-tech mailing list > [email protected] > http://lists.soekris.com/mailman/listinfo/soekris-tech _______________________________________________ Soekris-tech mailing list [email protected] http://lists.soekris.com/mailman/listinfo/soekris-tech
