[c-nsp] Coax E1 over IP

Thu Nov 19 07:44:14 EST 2009

You need a Balun to convert the 75 ohm unbalanced (Coax) to a 120 ohm
balanced RJ45.   Those are widely available and not very expensive.

http://en.wikipedia.org/wiki/Balun

BR,
Sibbi

> From: Peter Rathlev <peter at rathlev.dk>
> Date: Thu, 19 Nov 2009 13:35:29 +0100
> To: Aled Morris <aledm at qix.co.uk>
> Cc: cisco-nsp <cisco-nsp at puck.nether.net>
> Subject: Re: [c-nsp] Coax E1 over IP
> 
> On Thu, 2009-11-19 at 13:23 +0100, Aled Morris wrote:
>> Have you looked at NM-CEM-4TE1 for the 2800?
> 
> I've looked briefly at it, but it only seems to have RJ45 connectors[1],
> not BNC for coax. Otherwise it seems to fit the purpose.
> 
> What can one do to take an E1 circuit from coax?
> 
> -- 
> Peter
> 
> [1]: According to
> http://www.cisco.com/en/US/prod/collateral/routers/ps282/product_data_sheet091
> 86a00802045f5_ps5855_Products_Data_Sheet.html
> 
> 
> 
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