It depends on what kind of E&M interface it is. There are several (5, IIRC)
physical E&M signalling/voltage types. Depending on which one it is, it
might be as simple as wiring COR and PTT directly to the E and M leads, or,
if the interface only will work with -48 VDC battery voltage levels, you'll
need to add additional interfacing circuitry (relays, optos, transistors,
whatever).
What kind of equipment are you interfacing (both E&M trunk side as well as
radios)?
--- Jeff WN3A
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of burkleoj
> Sent: Monday, February 08, 2010 12:10 AM
> To: [email protected]
> Subject: [Repeater-Builder] Connect Controller to E&M Interface
>
>
>
> Hello All,
> Has anyone connected a repeater controller such as a Arcom
> RC-210 or a Link-Comm RLC Series to an E&M interface to link
> two or more sites
> together?
>
> I am looking for ideas and any pit falls that you may have
> had in the setup and configuration.
>
> Thanks,
> Joe - WA7JAW
>
>
>
>
>
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