[Asterisk-Users] Re: FXO cards

2003-12-10 Thread Michael Rowley
On Wednesday, December 10, 2003, at 01:21 AM, 
[EMAIL PROTECTED] wrote:


DIalogic 4 and 12 port cards are expensive.  The 12 port prohibitively
so, so I think I would be better off getting 2 of the 4 port cards.  I
have found them for 900$ apiece on ebay.
That compairs  as:

Case 1  Channel bank

Asterisk box: 500$ (provably less than this, as it is a minimal 
machine)
T100P card: 500$
Channel Bank 600$ (actually, from what I can find, provably more like
1000$ before I am done)
Phones:  I am going to go with the Mitel Networks 5055, they are about
400$ apiece.
Total: 1600$ for the setup (to 2000$) + 2000K for 5 phones.

Case 2: FXO cards

Asterisk box 500$
Dialogic 4 port card 900$
Phones: same as the above
Total 1400$ plus phones, 2K$ for 5 phones.
Don't forget that you will then have to purchase the DS0 licenses too.


err, whats a DS0 license?

Michael Rowley MD
FP
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Re: [Asterisk-Users] Re: FXO cards

2003-12-10 Thread Steven Critchfield
On Wed, 2003-12-10 at 08:18, Michael Rowley wrote:
 On Wednesday, December 10, 2003, at 01:21 AM, 
 [EMAIL PROTECTED] wrote:
 
 
  DIalogic 4 and 12 port cards are expensive.  The 12 port prohibitively
  so, so I think I would be better off getting 2 of the 4 port cards.  I
  have found them for 900$ apiece on ebay.
 
  That compairs  as:
 
  Case 1  Channel bank
 
  Asterisk box: 500$ (provably less than this, as it is a minimal 
  machine)
  T100P card: 500$
  Channel Bank 600$ (actually, from what I can find, provably more like
  1000$ before I am done)
  Phones:  I am going to go with the Mitel Networks 5055, they are about
  400$ apiece.
  Total: 1600$ for the setup (to 2000$) + 2000K for 5 phones.
 
  Case 2: FXO cards
 
  Asterisk box 500$
  Dialogic 4 port card 900$
  Phones: same as the above
  Total 1400$ plus phones, 2K$ for 5 phones.
 
  Don't forget that you will then have to purchase the DS0 licenses too.
 
 err, whats a DS0 license?

Because the drivers for the Dialogic cards are not open source, you have
to pay Digium for each phone line that will be in use. I think the cost
was $15, but I may be wrong. So for your 6 line install, you are looking
at the cost of the cards plus the cost of the license at $90 or so. 

None of us are pushing you to a channel bank because we will make money
on this. We are trying to help you out. If you go the channel bank
route, replacement parts are easier to come by and expansion is much
easier. It is a lot easier to justify an expenditure that has growth
ability at essentially the same cost as an option that has less.  

-- 
Steven Critchfield  [EMAIL PROTECTED]

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[Asterisk-Users] Re: FXO cards

2003-12-09 Thread Michael Rowley
Steven,

I know how to RTFM.  I have found no reference yet to how many x100P 
cards I can run in one box.  Where did you find that reference?  I have 
looked at the manual avaliable from *.org, downloaded the pdf of the 
x100p card tech info, it doesn't say it anywhere.

'course, I'm just sad as it would be a much cheaper way to go.  I was 
afraid that there would be a problem with multiple cards in one box.  I 
can get the four port Dialogic card for about 900$, or the 12 for 2K.  
But then were are the same price, or just a bit more than a channel 
bank and a t100p card.

So, the docs say no more than 2 x100p cards sane, has anyone done it?  
put 5 or 6 in one box?

Michael.

On Tuesday, December 9, 2003, at 05:57 PM, 
[EMAIL PROTECTED] wrote:

On Tue, 2003-12-09 at 15:18, Michael Rowley wrote:
Hey guys,

has anyone put 6 of the wildcat X100P cards in one machine?
I am thinking about putting 6 in one machine, what is everyone elses
experience
Read the docs. 2 card maximum sane install.
--
Steven Critchfield  [EMAIL PROTECTED]
Michael Rowley MD
FP
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Re: [Asterisk-Users] Re: FXO cards

2003-12-09 Thread Nicolas Gudino
- Original Message - 
From: Michael Rowley [EMAIL PROTECTED]
 So, the docs say no more than 2 x100p cards sane, has anyone done it?  
 put 5 or 6 in one box?

I'm using 4 of them, it works.





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Re: [Asterisk-Users] Re: FXO cards

2003-12-09 Thread Eric Wieling
Each card requires it's own IRQ not shared with any other device.  That
right there limits the number of cards you can put in a box.

On Tue, 2003-12-09 at 20:37, Michael Rowley wrote:
 Steven,
 
 I know how to RTFM.  I have found no reference yet to how many x100P 
 cards I can run in one box.  Where did you find that reference?  I have 
 looked at the manual avaliable from *.org, downloaded the pdf of the 
 x100p card tech info, it doesn't say it anywhere.
 
 'course, I'm just sad as it would be a much cheaper way to go.  I was 
 afraid that there would be a problem with multiple cards in one box.  I 
 can get the four port Dialogic card for about 900$, or the 12 for 2K.  
 But then were are the same price, or just a bit more than a channel 
 bank and a t100p card.
 
 So, the docs say no more than 2 x100p cards sane, has anyone done it?  
 put 5 or 6 in one box?
 
 Michael.
 
 On Tuesday, December 9, 2003, at 05:57 PM, 
 [EMAIL PROTECTED] wrote:
 
  On Tue, 2003-12-09 at 15:18, Michael Rowley wrote:
  Hey guys,
 
  has anyone put 6 of the wildcat X100P cards in one machine?
  I am thinking about putting 6 in one machine, what is everyone elses
  experience
 
  Read the docs. 2 card maximum sane install.
  -- 
  Steven Critchfield  [EMAIL PROTECTED]
 
 Michael Rowley MD
 FP
 
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Go to http://www.digium.com/index.php?menu=documentation and look at
the Unofficial Links section.  This section has links to a wide
variety of 3rd party Asterisk related pages.  My page is the
Asterisk Resource Pages.

BTEL Consulting 504-899-1387 or 850-484-4545 or 877-677-9643

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RE: [Asterisk-Users] Re: FXO cards

2003-12-09 Thread Dustin Knuttgen
Maybe even just 4 cards. I would like to know where it states that as
well. I have been reading a lot and thought I was ok setting up my first
system with 4 cards.

Thanks,
Dustin

-Original Message-
From: Michael Rowley [mailto:[EMAIL PROTECTED] 
Sent: Tuesday, December 09, 2003 9:38 PM
To: [EMAIL PROTECTED]
Subject: [Asterisk-Users] Re: FXO cards

Steven,

I know how to RTFM.  I have found no reference yet to how many x100P 
cards I can run in one box.  Where did you find that reference?  I have 
looked at the manual avaliable from *.org, downloaded the pdf of the 
x100p card tech info, it doesn't say it anywhere.

'course, I'm just sad as it would be a much cheaper way to go.  I was 
afraid that there would be a problem with multiple cards in one box.  I 
can get the four port Dialogic card for about 900$, or the 12 for 2K.  
But then were are the same price, or just a bit more than a channel 
bank and a t100p card.

So, the docs say no more than 2 x100p cards sane, has anyone done it?  
put 5 or 6 in one box?

Michael.

On Tuesday, December 9, 2003, at 05:57 PM, 
[EMAIL PROTECTED] wrote:

 On Tue, 2003-12-09 at 15:18, Michael Rowley wrote:
 Hey guys,

 has anyone put 6 of the wildcat X100P cards in one machine?
 I am thinking about putting 6 in one machine, what is everyone elses
 experience

 Read the docs. 2 card maximum sane install.
 -- 
 Steven Critchfield  [EMAIL PROTECTED]

Michael Rowley MD
FP

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Re: [Asterisk-Users] Re: FXO cards

2003-12-09 Thread Rich Adamson
 I know how to RTFM.  I have found no reference yet to how many x100P 
 cards I can run in one box.  Where did you find that reference?  I have 
 looked at the manual avaliable from *.org, downloaded the pdf of the 
 x100p card tech info, it doesn't say it anywhere.

You won't find it published anywhere. There has been some previous discussion
on this list relative to the topic, but I've not heard anyone truly
conduct any scientific evaluation to quantify the real limits.

Several people have made comments that each x100p requires a dedicated IRQ
as well. That's not true either. I'm running two x100p cards in production
and one of those cards is sharing the IRQ with three/four other devices
and one of those devices happens to be the asterisk ethernet port. The
quality of the two lines are identical (and good) once the echo problems
were addressed last month. One of the key issues seems to be that each 
x100p card must be able to properly handle approx 1,000 interrupts per 
second. If devices with low/no interrupt volume are combined with an 
x100p, there is not likely to be an issue. (That really does assume you 
know for a fact that other devices actually use the interrupts... many 
devices are tied to interrupts but don't actually use/generate them.)

The issue that I have not heard anyone try to quantify is more likely a
combination of processor speed, bus speed, applications running, etc,
and how much processing time is left to handle one/two/three/four 
times 1,000 interrupts / second without degrading/impacting other 
system functions and apps. (Don't think I'd care to try or publish that
test.)

So, the bottom line to how many x100p's can one have in a system is
it depends, and my system loads/applications are not likely to be
the same as your's, or the next guy on the list. Therefore, no one is
going to be able to answer your question with any degree of accuracy.

I did find a reference in the archives (would guess from about a year ago)
where someone described a procedure to analyze the interrupt counts
every ten seconds. It was kind of handy for eliminating potential issues,
etc. (I don't have the reference any more.)

Rich



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