The 990's BAND DATA jack contains all the inputs and outputs required by the
FL7000. It has the four BCD band data outputs, signal ground, a solid-state
ground-on-transmit output, and a transmit-inhibit input. The BCD outputs
tell the amp which band to use. The ground-on-transmit line keys the amp.
The transmit-inhibit input must be grounded in order for the 990 to emit RF,
and is there to make sure that the amp has switched into transmit before RF
is applied to its input. This lead may or may not be used by the amp -- if
not, it has to be grounded.
The REMOTE jack has just the ground-on-transmit line. It's a duplicate of
the one on the BAND DATA jack. If you flip the RLY switch inside the rig,
this line is switched to the mechanical relay used for keying amps with
high-voltage T/R relays.
73, Dick WC1M
----- Original Message -----
From: Joe <joecot@superlink.net>
To: <amps@contesting.com>
Sent: Wednesday, June 09, 1999 8:40 AM
Subject: [AMPS] FL7000 Help pse
>
> The FT990 and FL7000 hookups according to the instruction manual for the
990
> show the special cable connected from the FT990 via the BAND DATA
connector
> in the back of the rig to the FL7000 ACC-2 socket.
>
> Talking to some others, it was mentioned that keying is accomplished
through
> the REMOTE connector on the 990, not the Band Data.
>
> Does anyone have the real scoop ??
>
> Thanks in advance
>
>
> --
> FAQ on WWW: http://www.contesting.com/ampfaq.html
> Submissions: amps@contesting.com
> Administrative requests: amps-REQUEST@contesting.com
> Problems: owner-amps@contesting.com
> Search: http://www.contesting.com/km9p/search.htm
>
--
FAQ on WWW: http://www.contesting.com/ampfaq.html
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
Search: http://www.contesting.com/km9p/search.htm
|