[Asterisk-Users] Fw: Channel Banks, what are they for?

[Mojo Jojo]

Kind of the idea I got..

So then I could take a channel bank and feed my PRI from the telco into it 
then on the other side I would have a bunch of RJ11 ports to use as normal 
analog type phone lines?

What about this situation... I have a PRI going directly into an Asterisk 
box now in a location using a TE110P card. What if I wanted to pull off a 
few of those 24 channels to use for fax lines, dialup internet testing lines 
etc.. Would this be a job for a channel bank? If so, could you explain how a 
channel bank,  and my Asterisk box would be setup to do something like this?

--Todd


----- Original Message ----- 
From: "Andrew Kohlsmith" <akohlsmith-asterisk at benshaw.com>
To: <asterisk-users at lists.digium.com>
Sent: Sunday, October 02, 2005 8:31 AM
Subject: Re: [Asterisk-Users] Fw: Channel Banks, what are they for?


> On Sunday 02 October 2005 09:09, Mojo Jojo wrote:
>> > Can someone explain to me what a channel bank is used for?
>> >
>> > For example, if I had a 24 channel PRI setup with an Asterisk box
>> > attached to it via a TE110P, how would a channel bank make my life
>> > better?
>> >
>> > Anyhow, I just have not clue and thought someone could tell me the
>> > purpose of these devices.
>
> A channel bank is a device used to aggregate (or break apart) individual 
> FXS
> and FXO ports to/from a T1 connection.
>
> Basically, channel banks save time, energy, space and wiring mess.  They 
> also
> often give higher FXO/FXS interface quality as well.  They cost a little 
> more
> but IMO if you take everything into account they are by far cheaper in the
> long run.
>
> Anyway as mentioned channel banks are an easy/cheaper way to aggregate 
> lines.
> Instead of having 24 Sipura boxes or 6 TDM400P cards and all the wiring 
> mess
> that goes with it, you have a single T1 card and a single cable going to a
> single channel bank, which will have a single D50 connector that you can
> terminate directly to a single BIX punchdown strip.
>
> Channel banks are also typically (much) higher quality than the cards or
> low-density ATAs you can buy.  I am particuarly fond of Carrier Access
> Adit600s.
>
> -A.
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