Just figured I'd offer my experience with power restrictions and the
2400P...
When I purchased a Dell 2800 series tower I found that there were no
Molex power connectors in the box so I thought I was out of luck if I
wanted to use *any* FXS card (TDM400 or TDM2400) in this box. I spoke
with the guys at Digium about power requirements for the card and ended
up buying an external power supply (Altech PS-4512:
http://www.wolfautomation.com/Product.aspx?ProductID=17140&CategoryID=2725)
, coaxial power connectors and some shrink wrap from Radio Shack.
I can not remember exactly what the power requirements per Quad FXS
module were but I am sure Digium can provide that. The guys at Digium
also mentioned they were looking into an external solution like this for
the same reason I was -- I just needed a solution that day :)
I would assume you could use a solution like this to provide the
required power to the X number of cards in a system. I can post some
pictures of my solution if anyone is interested.
** Please note, Digium did not suggest this or condone this... **
Juan Carlos Castro y Castro wrote:
Juan Carlos Castro y Castro wrote:
Ah -- for all intents and purposes, assume I can obtain the most kickass
PC
server hardware in the known Universe. So -- any real-life experiences
out
there?
We successfully ran four fully-loaded TDM2400Ps in a server here during
development testing. The configuration was half FXS and half FXO on each
board.
I would not recommend running that much load in a single server of FXS,
because the power supply requirements are too great, but if at least
half is FXO then you should be fine. Four TDM2400Ps is the same amount
of Zaptel load as a single quad-port T1 card, so most servers should be
able to handle it.
Sweet! So -- what are the specs of that server you tested on? Specifically,
the power supply wattage? My intended use here is all FXS, so I suppose a
limit of 2 would be reasonable.
By the way -- don't you think it would be nice if some FXS hardware had some
way to drain power from somewhere else that the PC's power supply? Forgive
me if this idea has already been discussed to death there.
Thanks for the info,
Juan
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