OK. I have three drawings here regarding this VFO question, Omni A-D download
manual,
Model 243 Remote Vfo Manual (Manual states it is for the Omni series
transceivers) and
Corsair II.
All three show a Molex 9 pin accessory connector. That's common.
Common pin assignments are:
pin 1 - T voltage
pin 2 - plus regulated voltage
pin 3 - plus 13 volts
pin 4 - shift (Omni it is called REM VFO)
pin 8 - ground
Different pin assignments are:
Omni:
pin 5 - local oscillator out (for frequency counter)
pin 6 - relay common
pin 7 - relay normally open
pin 9 - relay normally closed
243 VFO:
pin 5 - local oscillator in
pin 6 - no connection
pin 7 - no connection
pin 9 - no connection
Corsair II:
pin 5 - R voltage
pin 6 - Corsair VFO enable (note indicates this pin must be jumpered to pin 2
when remote
vfo is not being used.)
pin 7 - relay normally open
pin 9 - relay normally closed
(relay common is internally grounded in Corsair)
Hope this helps.
73,
-Lee-
WA3FIY
On 21 Feb 2012 at 14:17, Rick - DJ0IP / NJ0IP wrote:
> Gary, the 243 is the wrong radio and the wrong manual.
> That's for the old Triton, which was different.
> It had the Octal Jack on the back and indeed pins 6, 7, and 8 were for
> the VFO.
>
> Mike has an Omni C.
> It has a 9-Pin Molex accessory socket on the back and totally
> different signals on it than the 243's accessory jack.
>
> I have a hard copy manual for OMNI A and D on my desk.
> I have the downloaded OMNI C on my screen.
> Both are identical and Mike (Brice) already posted the signals that
> are on it. There is NO JUMPER required for the VFO management.
>
> 73
> Rick
>
>
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