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Today's Topics:

  1. More than 4 nodes on a PC (Cole Cunningham)
  2. Re: More than 4 nodes on a PC (Keith Goobie)
  3. Re: More than 4 nodes on a PC (Cole Cunningham)
  4. Re: More than 4 nodes on a PC (Keith Goobie)


----------------------------------------------------------------------

Message: 1
Date: Tue, 20 Jan 2015 11:30:34 -0700
From: "Cole Cunningham" <colecaz@gmail.com>
To: <app_rpt-users@ohnosec.org>
Subject: [App_rpt-users] More than 4 nodes on a PC
Message-ID: <020601d034df$2e8b8030$8ba28090$@com>
Content-Type: text/plain; charset="us-ascii"

We're looking at app_rpt for sites with up to eight radios, all currently
controlled by a RLC-3.  Our initial approach is to use a PC and try to run
all eight radios off of it.  For testing we're using modified fobs running
on USB 2.0 ports and when we try to use more than four, things break up,
sound bad, etc.  I've found that CentOS 5 that comes on the ACID disk
doesn't support USB 3.0, which we were thinking might offer more bandwidth
and handle the added fobs.



Has anyone used this PC based approach for 4+ nodes using USB fobs?  Or
could I get some suggestions as to how to approach the implementation of
eight nodes without using fobs or the discontinued 4 port PC card? 



Or is it a viable solution to use a BBB for every radio and connect them all
with Ethernet switches and treat each BBB like a separate server.



Any ideas are appreciated



Cole

AA7RD

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Message: 2
Date: Tue, 20 Jan 2015 15:46:54 -0500
From: Keith Goobie <keith@goobie.org>
To: Cole Cunningham <colecaz@gmail.com>,    <app_rpt-users@ohnosec.org>
Subject: Re: [App_rpt-users] More than 4 nodes on a PC
Message-ID: <D0E428EE.3E068%keith@goobie.org>
Content-Type: text/plain; charset="iso-8859-1"

We have an asterisk node that runs three USB URI devices and it works well.
Getting there was an education.  We found that we needed to spread out our
USB devices amongst as many Bus? as you can.  Loading down a single bus will
create breaks in the sound.  If you want things to work better add USB 2.0
sound cards to increase the USB bus count.  Use the lsusb command to see how
things are placed.  Below is our layout.

As you found out, ACID is based on Centos 5.x which does not work with USB
3.0. 

We still use a blend of RLC-DSP404?s and Allstar.  If you are making the
move to a PC-Linux solution, I suggest investment in SSD, UPS for AC, and a
remotely controlled AC/DC power switch to control the computer.

Thinking along the lines of your BBB solution, you could probably do things
with two PC-Linux servers.

Cheers
Keith VA3YC



[root@allstar ~]# lsusb
Bus 002 Device 001: ID 0000:0000
Bus 002 Device 003: ID 0d8c:013a C-Media Electronics, Inc.
Bus 002 Device 002: ID 0d8c:013a C-Media Electronics, Inc.
Bus 001 Device 001: ID 0000:0000
Bus 003 Device 001: ID 0000:0000
Bus 003 Device 002: ID 0d8c:013a C-Media Electronics, Inc.
Bus 003 Device 003: ID 04b3:4001 IBM Corp.

On 1/20/15 1:30 PM, "Cole Cunningham" <colecaz@gmail.com> wrote:

> We?re looking at app_rpt for sites with up to eight radios, all currently
> controlled by a RLC-3.  Our initial approach is to use a PC and try to run all
> eight radios off of it.  For testing we?re using modified fobs running on USB
> 2.0 ports and when we try to use more than four, things break up, sound bad,
> etc.  I?ve found that CentOS 5 that comes on the ACID disk doesn?t support USB
> 3.0, which we were thinking might offer more bandwidth and handle the added
> fobs.
> 
> Has anyone used this PC based approach for 4+ nodes using USB fobs?  Or could
> I get some suggestions as to how to approach the implementation of eight nodes
> without using fobs or the discontinued 4 port PC card?
> 
> Or is it a viable solution to use a BBB for every radio and connect them all
> with Ethernet switches and treat each BBB like a separate server.
> 
> Any ideas are appreciated
> 
> Cole
> AA7RD
>
>
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--
keith@goobie.org
Keith Goobie
Richmond Hill, ON, CANADA

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Message: 3
Date: Tue, 20 Jan 2015 14:04:22 -0700
From: "Cole Cunningham" <colecaz@gmail.com>
To: "'Keith Goobie'" <keith@goobie.org>,    <app_rpt-users@ohnosec.org>
Subject: Re: [App_rpt-users] More than 4 nodes on a PC
Message-ID: <023201d034f4$ab3e5d40$01bb17c0$@com>
Content-Type: text/plain; charset="us-ascii"

Keith,



Your setup looks exactly like the test rig I am using except I have four of
the C-Media fobs.  And yes, I discovered you need no more than two fobs per
USB bus.  With two busses available in the PC that limits it to four fobs.
The goal is eight nodes per server.



I've looked at USB 2.0 port cards and they seem to be going out of
production.  That is a concern for long term availability because we will be
making the change over a period of several years.  And a lot of them are PCI
interface instead of the current PCIe used in newer motherboards.



We're hoping to make Asterisk Allstar the replacement for the RLC-3's.



I wonder if anybody has gotten Asterisk/app_rpt running on a distro that
supports USB 3.0?



Cole, AA7RD

Phoenix, AZ

www.w7ara.org





From: Keith Goobie [mailto:keith@goobie.org]
Sent: Tuesday, January 20, 2015 1:47 PM
To: Cole Cunningham; app_rpt-users@ohnosec.org
Subject: Re: [App_rpt-users] More than 4 nodes on a PC



We have an asterisk node that runs three USB URI devices and it works well.
Getting there was an education.  We found that we needed to spread out our
USB devices amongst as many Bus' as you can.  Loading down a single bus will
create breaks in the sound.  If you want things to work better add USB 2.0
sound cards to increase the USB bus count.  Use the lsusb command to see how
things are placed.  Below is our layout.

As you found out, ACID is based on Centos 5.x which does not work with USB
3.0. 

We still use a blend of RLC-DSP404's and Allstar.  If you are making the
move to a PC-Linux solution, I suggest investment in SSD, UPS for AC, and a
remotely controlled AC/DC power switch to control the computer. 

Thinking along the lines of your BBB solution, you could probably do things
with two PC-Linux servers.

Cheers
Keith VA3YC



[root@allstar ~]# lsusb
Bus 002 Device 001: ID 0000:0000 
Bus 002 Device 003: ID 0d8c:013a C-Media Electronics, Inc.
Bus 002 Device 002: ID 0d8c:013a C-Media Electronics, Inc.
Bus 001 Device 001: ID 0000:0000 
Bus 003 Device 001: ID 0000:0000 
Bus 003 Device 002: ID 0d8c:013a C-Media Electronics, Inc.
Bus 003 Device 003: ID 04b3:4001 IBM Corp.




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Message: 4
Date: Tue, 20 Jan 2015 17:03:14 -0500
From: Keith Goobie <keith@goobie.org>
To: Cole Cunningham <colecaz@gmail.com>,    <app_rpt-users@ohnosec.org>
Subject: Re: [App_rpt-users] More than 4 nodes on a PC
Message-ID: <D0E43AD2.3E073%keith@goobie.org>
Content-Type: text/plain; charset="iso-8859-1"

The xipar release supports centos 6.x which supports usb 3.0 ? there are
pros and cons to Xipar.

I understand that there are some people that have ACID running on centos 6.x
? I am awaiting input from a colleague.

I would go out and buy a bunch of usb 2.0 cards which add more buses.

Keith


On 1/20/15 4:04 PM, "Cole Cunningham" <colecaz@gmail.com> wrote:

> Keith,
> 
> Your setup looks exactly like the test rig I am using except I have four of
> the C-Media fobs.  And yes, I discovered you need no more than two fobs per
> USB bus.  With two busses available in the PC that limits it to four fobs.
> The goal is eight nodes per server.
> 
> I?ve looked at USB 2.0 port cards and they seem to be going out of production.
> That is a concern for long term availability because we will be making the
> change over a period of several years.  And a lot of them are PCI interface
> instead of the current PCIe used in newer motherboards.
> 
> We?re hoping to make Asterisk Allstar the replacement for the RLC-3?s.
> 
> I wonder if anybody has gotten Asterisk/app_rpt running on a distro that
> supports USB 3.0?
> 
> Cole, AA7RD
> Phoenix, AZ
> www.w7ara.org <http://www.w7ara.org>
> 
> 
>
> From: Keith Goobie [mailto:keith@goobie.org]
> Sent: Tuesday, January 20, 2015 1:47 PM
> To: Cole Cunningham; app_rpt-users@ohnosec.org
> Subject: Re: [App_rpt-users] More than 4 nodes on a PC
> 
> We have an asterisk node that runs three USB URI devices and it works well.
> Getting there was an education.  We found that we needed to spread out our USB
> devices amongst as many Bus? as you can.  Loading down a single bus will
> create breaks in the sound.  If you want things to work better add USB 2.0
> sound cards to increase the USB bus count.  Use the lsusb command to see how
> things are placed.  Below is our layout.
>
> As you found out, ACID is based on Centos 5.x which does not work with USB
> 3.0. 
>
> We still use a blend of RLC-DSP404?s and Allstar.  If you are making the move
> to a PC-Linux solution, I suggest investment in SSD, UPS for AC, and a
> remotely controlled AC/DC power switch to control the computer.
>
> Thinking along the lines of your BBB solution, you could probably do things
> with two PC-Linux servers.
>
> Cheers
> Keith VA3YC
>
>
>
> [root@allstar ~]# lsusb
> Bus 002 Device 001: ID 0000:0000
> Bus 002 Device 003: ID 0d8c:013a C-Media Electronics, Inc.
> Bus 002 Device 002: ID 0d8c:013a C-Media Electronics, Inc.
> Bus 001 Device 001: ID 0000:0000
> Bus 003 Device 001: ID 0000:0000
> Bus 003 Device 002: ID 0d8c:013a C-Media Electronics, Inc.
> Bus 003 Device 003: ID 04b3:4001 IBM Corp.
>
>
>

--
keith@goobie.org
Keith Goobie
Richmond Hill, ON, CANADA

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