[Asterisk-Users] Number of TDM405 Cards in one server
Sys.Concept
info at sys-concept.com
Fri Sep 10 13:47:37 MST 2004
[snip]
> >From Digiums site, you get this....
> The Wildcard TDM400P is a half-length PCI 2.2 compliant card that
> supports from one to four telephone interfaces for connecting analog
> telephones or analog lines to a PC.
> ...............................
> The naming convention for the TDM bundles is as follows: TDM X Y B.
> Where "TDM" denotes that the card is TDM, "X" denotes the number of FXS
> modules, "Y" denotes the number of FXO modules, and "B" indicates that
> that this product is a bundle.
>
> So you see there isn't a TDM405P or TDM410P. There are however TE405P
> and TE410P cards. When you get to T1 or E1 configurations, you shouldn't
> look at more than 2 cards per server, and 2 cards should probably be
> only undertaken with extreme care and caution. Having a simple hardware
> failure take down 96 lines is bad, but not as bad as taking down 192 or
> 288. If you are routing 288 calls, your downtime cost to repair a single
> box will quickly exceed the cost of redundant servers.
Quick question if one TDM400P card has 4xFXS port that is only four
internal lines, am I right? So how do you calculate that number "96
line", I think you are referring to T1 capacity isn't it?
--
#Joseph
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