[c-nsp] Coax question for DS3

Nick Voth nvoth at estreet.com
Fri Jan 18 21:53:34 EST 2008


> 
>> -----Original Message-----
>> From: cisco-nsp-bounces at puck.nether.net
>> [mailto:cisco-nsp-bounces at puck.nether.net]On Behalf Of Nick Voth
>> Sent: Friday, January 18, 2008 7:18 AM
>> To: cisco-nsp at puck.nether.net
>> Subject: [c-nsp] Coax question for DS3
>> 
>> 
>> Hey guys,
>> 
>> I've never had to pull our own DS3 coax cable before and I'm now
>> faced with
>> it. It's no big deal, BUT in some of the Cisco documentation it recommends
>> that the 2 strands of coax be bound together with shrink wrap or something
>> like that. I'm using 75-ohm RG6 shielded coax with the
>> compression type BNC
>> connectors. Is it really necessary to tie the two cables together
>> to reduce
>> the effects of EMI?
>> 
> 
> 
> 
> They make cable that has the 2 coaxes bound together along with a
> tracer wire - Commscope part # 735T2 or equivalent - but the shielding
> on the coax is supposed to block EMI.  Shrinkwrap has no shielding so
> it wouldn't provide any assistance here.  It sounds like a passage
> written by someone who doesen't understand EMI or cabling very well.
> 
> Ted
> 

Thanks very much Ted. I'll give that a shot too!

-Nick




More information about the cisco-nsp mailing list