When I was using a (borrowed) SCS PTC II I used a common
old-style KVM switchbox with 5 5-pin DIN, 5 9-pin D-shell, etc.
The 5 -pin DINS were replaced with 8-pin DIN (still female, of
course) and the extra pins were wired with lines borrowed from
the 9-pin D-shell connectors. Then with an 8-pin to 8-pin DIN
cable from the 756 Pro II to the "input" side of the KVM box I
could switch to a PK-232, the borrowed PTC II, or the
MicroKeyer. Prpbably best not to switch "hot", as I don't know
whether the KVM switch is "break before make"., but it does save
fiddling in the back of the radio, which is especially difficult
for me.
The biggest problem encountered was finding the 8-pin female
chassis mount DIN connectors.
I must acknowledge the great help of Milt W8NUE (of NUE-modem
fame) in doing the rewiring.
Pete K5GM
On Sat, 07 Aug 2010 09:12 +0000, digitalradio@yahoogroups.com
wrote:
[1]Amateur Radio Digital Mode Discussion
Messages In This Digest (5 Messages)
3a.
[2]SCS PTC-II and regular digital modes From: g4ilo
3b.
[3]Re: SCS PTC-II and regular digital modes From: Andy
obrien
[4]View All Topics | [5]Create New Topic
Messages
3a.
[6]SCS PTC-II and regular digital modes
Posted by: "g4ilo" [7]jul...@g4ilo.com [8]g4ilo
Fri Aug 6, 2010 2:34 pm (PDT)
I have been wondering about getting an SCS multimode
controller, the PTC-II USB. Primarily I am interested in
getting the best performance for HF APRS which is what my
radio does most of the time while I am otherwise engaged.
I have no interest in Winlink but am interested in trying
Pactor-II which people have said can hold QSOs even under
very difficult conditions. Is there much activity on the
mode?
I don't want to deny myself the opportunity to use PSK31
or RTTY but the SCS would plug into the rear audio
connections of my transceiver and I don't want to have to
grope around the back changing plugs just to use soundcard
modes. I understand these controllers can do PSK and RTTY
as well but I don't see how this works with the programs I
am familiar with.
I'm also unsure how the transceiver control works. I
currently have a separate serial cable to my K3 for this.
If any users of the SCS controllers could pass on their
experiences to a prospective user I would be extremely
grateful.
Julian, G4ILO
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[13]Messages in this topic (2)
3b.
[14]Re: SCS PTC-II and regular digital modes
Posted by: "Andy obrien" [15]k3uka...@gmail.com [16]obrienaj
Fri Aug 6, 2010 3:33 pm (PDT)
I have the same interest, and would also be interested in
answers to
Julian's questions.
Andy K3UK
On Fri, Aug 6, 2010 at 5:31 PM, g4ilo <[17]jul...@g4ilo.
com> wrote:
>
>
> I have been wondering about getting an SCS multimode
controller, the PTC-II
> USB. Primarily I am interested in getting the best
performance for HF APRS
> which is what my radio does most of the time while I am
otherwise engaged.
>
> I have no interest in Winlink but am interested in
trying Pactor-II which
> people have said can hold QSOs even under very difficult
conditions. Is
> there much activity on the mode?
>
> I don't want to deny myself the opportunity to use PSK31
or RTTY but the
> SCS would plug into the rear audio connections of my
transceiver and I don't
> want to have to grope around the back changing plugs
just to use soundcard
> modes. I understand these controllers can do PSK and
RTTY as well but I
> don't see how this works with the programs I am familiar
with.
>
> I'm also unsure how the transceiver control works. I
currently have a
> separate serial cable to my K3 for this.
>
> If any users of the SCS controllers could pass on their
experiences to a
> prospective user I would be extremely grateful.
>
> Julian, G4ILO
>
> _
>
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