[WISPA] Alvarion VL on AM Tower

2007-07-06 Thread Doug Ratcliffe
I'm thinking about deploying a Alvarion VL 4 system on one of my towers, and
I'd like to use the indoor chassis at the base.  However, the tower is a
non-live (i.e. its got an insulated antenna from the tower) at 5000 watts.
I have AC power at the top but I'd like to use the IDU/ODU system that
Alvarion uses.  Is there a form of shielded cat5 I can use that will block
the RF pickup up the tower?  Normally a cat5 cable will instantly fry a
network port unless it's somehow filtered.  AC is easy to filter - a choke
on the top and bottom solves the problem.  But DC power, is what I'm
concerned with.  Has anyone addressed an issue like this?

 

Thanks

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Re: [WISPA] Alvarion VL on AM Tower

2007-07-06 Thread Graham McIntire

If you're in a pinch, Radio Shack part # 273-105 works.

Mouser and other part suppliers carry them as well for cheaper (not
sure on part #'s though, sorry).

Graham


On 7/6/07, Doug Ratcliffe [EMAIL PROTECTED] wrote:

Any info where to get one of these coils?

Thanks

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Dennis Burgess
Sent: Friday, July 06, 2007 1:39 PM
To: WISPA General List
Subject: Re: [WISPA] Alvarion VL on AM Tower

The Feritte coil will do the same, but used sheilded cat5..

On 7/6/07, Doug Ratcliffe [EMAIL PROTECTED] wrote:

 I'm thinking about deploying a Alvarion VL 4 system on one of my towers,
 and
 I'd like to use the indoor chassis at the base.  However, the tower is a
 non-live (i.e. its got an insulated antenna from the tower) at 5000 watts.
 I have AC power at the top but I'd like to use the IDU/ODU system that
 Alvarion uses.  Is there a form of shielded cat5 I can use that will block
 the RF pickup up the tower?  Normally a cat5 cable will instantly fry a
 network port unless it's somehow filtered.  AC is easy to filter - a choke
 on the top and bottom solves the problem.  But DC power, is what I'm
 concerned with.  Has anyone addressed an issue like this?



 Thanks

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Re: [WISPA] Alvarion VL on AM Tower

2007-07-06 Thread Dennis Burgess

The Feritte coil will do the same, but used sheilded cat5..

On 7/6/07, Doug Ratcliffe [EMAIL PROTECTED] wrote:


I'm thinking about deploying a Alvarion VL 4 system on one of my towers,
and
I'd like to use the indoor chassis at the base.  However, the tower is a
non-live (i.e. its got an insulated antenna from the tower) at 5000 watts.
I have AC power at the top but I'd like to use the IDU/ODU system that
Alvarion uses.  Is there a form of shielded cat5 I can use that will block
the RF pickup up the tower?  Normally a cat5 cable will instantly fry a
network port unless it's somehow filtered.  AC is easy to filter - a choke
on the top and bottom solves the problem.  But DC power, is what I'm
concerned with.  Has anyone addressed an issue like this?



Thanks

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RE: [WISPA] Alvarion VL on AM Tower

2007-07-06 Thread Doug Ratcliffe
Any info where to get one of these coils?

Thanks

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Dennis Burgess
Sent: Friday, July 06, 2007 1:39 PM
To: WISPA General List
Subject: Re: [WISPA] Alvarion VL on AM Tower

The Feritte coil will do the same, but used sheilded cat5..

On 7/6/07, Doug Ratcliffe [EMAIL PROTECTED] wrote:

 I'm thinking about deploying a Alvarion VL 4 system on one of my towers,
 and
 I'd like to use the indoor chassis at the base.  However, the tower is a
 non-live (i.e. its got an insulated antenna from the tower) at 5000 watts.
 I have AC power at the top but I'd like to use the IDU/ODU system that
 Alvarion uses.  Is there a form of shielded cat5 I can use that will block
 the RF pickup up the tower?  Normally a cat5 cable will instantly fry a
 network port unless it's somehow filtered.  AC is easy to filter - a choke
 on the top and bottom solves the problem.  But DC power, is what I'm
 concerned with.  Has anyone addressed an issue like this?



 Thanks

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Internal Virus Database is out-of-date.
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Version: 7.5.472 / Virus Database: 269.8.14/845 - Release Date: 6/12/2007
6:39 AM


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RE: [WISPA] Alvarion VL on AM Tower

2007-07-06 Thread Doug Ratcliffe
So that just goes around the outside of the cable, like they have on
monitors?  Will that protect the ethernet and power at the same time?

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Graham McIntire
Sent: Friday, July 06, 2007 1:56 PM
To: WISPA General List
Subject: Re: [WISPA] Alvarion VL on AM Tower

If you're in a pinch, Radio Shack part # 273-105 works.

Mouser and other part suppliers carry them as well for cheaper (not
sure on part #'s though, sorry).

Graham


On 7/6/07, Doug Ratcliffe [EMAIL PROTECTED] wrote:
 Any info where to get one of these coils?

 Thanks

 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
 Behalf Of Dennis Burgess
 Sent: Friday, July 06, 2007 1:39 PM
 To: WISPA General List
 Subject: Re: [WISPA] Alvarion VL on AM Tower

 The Feritte coil will do the same, but used sheilded cat5..

 On 7/6/07, Doug Ratcliffe [EMAIL PROTECTED] wrote:
 
  I'm thinking about deploying a Alvarion VL 4 system on one of my towers,
  and
  I'd like to use the indoor chassis at the base.  However, the tower is a
  non-live (i.e. its got an insulated antenna from the tower) at 5000
watts.
  I have AC power at the top but I'd like to use the IDU/ODU system that
  Alvarion uses.  Is there a form of shielded cat5 I can use that will
block
  the RF pickup up the tower?  Normally a cat5 cable will instantly fry a
  network port unless it's somehow filtered.  AC is easy to filter - a
choke
  on the top and bottom solves the problem.  But DC power, is what I'm
  concerned with.  Has anyone addressed an issue like this?
 
 
 
  Thanks
 
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  Subscribe/Unsubscribe:
  http://lists.wispa.org/mailman/listinfo/wireless
 
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 www.mikrotikconsulting.com
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6:39 AM


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Re: [WISPA] Alvarion VL on AM Tower

2007-07-06 Thread Graham McIntire

Correct, ideally you should place one at each end of the cable, right
before it's terminated.  They just clamp over the cable itself and
help reduce spurious RF by turning it in to heat before it gets to
your equipment.

If you're need to chock the cat5 and power line, I'd use a single
ferrite choke at the end of each cable (they're cheap).  That should
help cut down substantially on outside interference on the cables.

Graham

On 7/6/07, Doug Ratcliffe [EMAIL PROTECTED] wrote:

So that just goes around the outside of the cable, like they have on
monitors?  Will that protect the ethernet and power at the same time?

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Graham McIntire
Sent: Friday, July 06, 2007 1:56 PM
To: WISPA General List
Subject: Re: [WISPA] Alvarion VL on AM Tower

If you're in a pinch, Radio Shack part # 273-105 works.

Mouser and other part suppliers carry them as well for cheaper (not
sure on part #'s though, sorry).

Graham


On 7/6/07, Doug Ratcliffe [EMAIL PROTECTED] wrote:
 Any info where to get one of these coils?

 Thanks

 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
 Behalf Of Dennis Burgess
 Sent: Friday, July 06, 2007 1:39 PM
 To: WISPA General List
 Subject: Re: [WISPA] Alvarion VL on AM Tower

 The Feritte coil will do the same, but used sheilded cat5..

 On 7/6/07, Doug Ratcliffe [EMAIL PROTECTED] wrote:
 
  I'm thinking about deploying a Alvarion VL 4 system on one of my towers,
  and
  I'd like to use the indoor chassis at the base.  However, the tower is a
  non-live (i.e. its got an insulated antenna from the tower) at 5000
watts.
  I have AC power at the top but I'd like to use the IDU/ODU system that
  Alvarion uses.  Is there a form of shielded cat5 I can use that will
block
  the RF pickup up the tower?  Normally a cat5 cable will instantly fry a
  network port unless it's somehow filtered.  AC is easy to filter - a
choke
  on the top and bottom solves the problem.  But DC power, is what I'm
  concerned with.  Has anyone addressed an issue like this?
 
 
 
  Thanks
 
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  Subscribe/Unsubscribe:
  http://lists.wispa.org/mailman/listinfo/wireless
 
  Archives: http://lists.wispa.org/pipermail/wireless/
 



 --
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 www.mikrotikconsulting.com
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 Version: 7.5.472 / Virus Database: 269.8.14/845 - Release Date: 6/12/2007
 6:39 AM


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