[asterisk-users] Best config for 12 FXO system?

[Darrick Hartman (lists)]

Thomas Kenyon wrote:
> Tony Mountifield wrote:
>> I have a client who wants a Meetme box with 12 FXO ports, to connect
>> to Analogue lines coming from an Ericsson PBX.
>>
>> It looks like I could do this with four different hardware configurations:
>>
>> a) three TDM04B cards (based on TDM400P)
>> b) one TDM04B and one TDM808B
>> c) one TDM804B (or TDM854B?) and one TDP808B
>> d) one TDM2403B (half filled TDM2400P)
>>
>> Apart from considerations of cost and PCI slot availability, are there any
>> technical reasons to choose one of the above configurations over the others?
>>
> No idea, but if you look further afield, if you buy a Sangoma A200 or an
> A400 you can have all 12 on one PCI (or PCI Express) slot (the former
> taking up 3 Spaces on your PCs backplane and the latter taking up only 1).
> 
> If expandability is a concern, an A400 can support up to 48 FXO ports on
> one PCI (or PCI-Express) Slot (4 spaces) or an A200 can support up to 24
> FXO ports. (6 spaces)
> 
> I can't comment on how good they are, I've only got TDM400Ps myself.

Rhino also makes some very nice cards and have a good support staff. 
The Rhino cards are also made in the US.

Darrick
-- 
Darrick Hartman
DJH Solutions, LLC
http://www.djhsolutions.com