[Asterisk-Users] [OF] Cable Pinouts

Jon Pounder JonP at inline.net
Tue May 27 07:52:42 MST 2003


At 04:45 PM 5/27/2003 +0200, you wrote:
>Eduardo Goncalves schrieb:
>...
>>Digium's E400P has RJ45 conector and my E1 link has BNC concetor. Could 
>>someone tell me the cable pinouts to make this conection?
>...
>
>
>Hi,
>
>you will need a hub or a switch to connect.
>You can't connect your components using only
>passive components, since the electronic specs
>for twisted pair connected ethernet and coaxial
>connected ethernet aren't compatible at all.

he is talking about a digital phone line, not ethernet.

you either need an RPad (group of resistors), or a matching transformer, 
depending on the impedance of each (and the appropriate connectors to mate 
it together.)



>Roger.
>
>
>
>
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