Today's Message Index:
----------------------
1. 12:13 AM - Re: VOR voice modulation (Robert L. Nuckolls, III)
2. 05:28 AM - Re: Alternator & starter (James Kilford)
3. 09:17 AM - PTT Y adapter for RST intercom (messydeer)
4. 10:27 AM - Re: PTT Y adapter for RST intercom (Robert L. Nuckolls, III)
5. 10:36 AM - pinout for garmin 9-pin cable to DSUB (Ralph Finch)
6. 10:55 AM - Re: pinout for garmin 9-pin cable to DSUB ()
7. 11:07 AM - Re: pinout for garmin 9-pin cable to DSUB (Daniel Hooper)
8. 11:31 AM - Re: pinout for garmin 9-pin cable to DSUB ()
9. 11:34 AM - Re: pinout for garmin 9-pin cable to DSUB (Daniel Hooper)
10. 03:00 PM - Re: Toggle switch terminal numbering (Bubblehead)
11. 05:50 PM - Re: PTT Y adapter for RST intercom (messydeer)
12. 06:09 PM - Re: Re: PTT Y adapter for RST intercom (Robert L. Nuckolls, III)
13. 07:24 PM - Re: PTT Y adapter for RST intercom (messydeer)
Message 1
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| Subject: | Re: VOR voice modulation |
At 04:54 PM 11/19/2011, you wrote:
><Tom@CostanzaAndAssociates.com>
>
>Hi,
>Can anyone tell me how the voice/ID is modulated for a VOR. Is it
>just plain vanilla AM?
Yes.
Bob . . .
Message 2
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| Subject: | Re: Alternator & starter |
Thanks gents.
That sort of confirms my instinct: to go with B&C because I've yet to
hear anyone say anything negative about them!
Okay, they're expensive but, at the end of the day, spending 50 now
for years of reliable service, and a known track record seems to make
sense.
James
On 16 November 2011 00:36, earl_schroeder@juno.com
<earl_schroeder@juno.com> wrote:
>
> Hi James,
> I use both B & C products on my 320 with no regrets.
>
> I replaced a less expensive 'Ford' alternator and a 'Toyota' starter.
>
> B & C are good folks!
>
> Earl
>
> Date: Tue, 15 Nov 2011 19:22:05 +0000
>
>
> Gents,
>
> I'm getting close to sorting out a 40A alternator and starter for my
> O-235-engined Jodel D150 project. My instinct would be to go with B&C
> versions of both, but any observations or alternative suggestions
> would be greatly appreciated.
>
> Many thanks in anticipation,
>
> James
>
> ==================================
>
>
Message 3
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| Subject: | PTT Y adapter for RST intercom |
I just got an old RST intercom that I plan to use with a Dynon DX-15 handheld radio.
There were a couple stand alone PTT switches with velcro attachments for
the buttons that came with the intercom, but I'd rather use my in-stick switches
that I'm making.
It looks like I could make a Y adapter with a couple 0.210" jacks and whatever
sized plug fits the radio mic jack. I haven't got the radio yet, but the Dynon
manual says this jack is 3 mm and the speaker jack is 2.5 mm.
It looks like I could terminate the wires from one .210" jack into the terminals
of the other jack, instead of splicing them outside the unit as my drawing shows.
I have some 2-conductor shielded cable. Could I use this and connect the shield
to the sleeves?
--------
Dan
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=358588#358588
Attachments:
http://forums.matronics.com//files/rst_intercom_manual_5_of_5_resized_518.jpg
http://forums.matronics.com//files/ptt_y_adapter_for_rst_intercom_115.jpg
Message 4
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| Subject: | Re: PTT Y adapter for RST intercom |
At 11:13 AM 11/20/2011, you wrote:
>
>I just got an old RST intercom that I plan to use with a Dynon DX-15
>handheld radio. There were a couple stand alone PTT switches with
>velcro attachments for the buttons that came with the intercom, but
>I'd rather use my in-stick switches that I'm making.
>
>It looks like I could make a Y adapter with a couple 0.210" jacks
>and whatever sized plug fits the radio mic jack. I haven't got the
>radio yet, but the Dynon manual says this jack is 3 mm and the
>speaker jack is 2.5 mm.
>
>It looks like I could terminate the wires from one .210" jack into
>the terminals of the other jack, instead of splicing them outside
>the unit as my drawing shows.
>
>I have some 2-conductor shielded cable. Could I use this and connect
>the shield to the sleeves?
You only need two conductors total . . . a ptt and
ground lead. Shielding is not necessary but shielded
wires can offer some conveniences. My low ohms adapters
Emacs!
Use shielded wire for convenience of assembly and
nice 'round' lead wires as opposed to the spiral
lumpiness of a twisted pair.
You can parallel as many PTT buttons as you
wish. You will find that the ground side
of the PTT line shares a ground side of
the mic audio both tied to the shell of
the plug or jack. See Mic jack wiring in
http://www.aeroelectric.com/PPS/Audio/DualCommAudio.pdf
Bob . . .
Message 5
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| Subject: | pinout for garmin 9-pin cable to DSUB |
I have a cable which connects a 9-pin DIN Garmin GPS (296 in my case) to
anything else...the cable has bare wire ends. I've crimped male pins on for
a 9-pin DSUB connector, but I don't want to insert the pins willy-nilly
into the DSUB connector. I've tried googling for a pinout diagram but can't
find one. Can someone advise where to look, or perhaps they already have,
the pinout diagram for this? That is, which leads of the Garmin cable go
to which holes in the 9-pin DSUB.
BTW, Garmin labels their leads as follows:
Red: DC Input
Blue: Port 1 Out
White: Alarm
Orange: Voice (-)
Violet: Port 2 Out
Black: Ground
Yellow: Port 1 In
Brown: Voice (+)
Green: Port 2 In
Message 6
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| Subject: | Re: pinout for garmin 9-pin cable to DSUB |
Ralph-
here is the 296 pinout on the GPS side from the 296 manual - see attached.
Rumen
---- Ralph Finch <ralphmariafinch@gmail.com> wrote:
> I have a cable which connects a 9-pin DIN Garmin GPS (296 in my case) to
> anything else...the cable has bare wire ends. I've crimped male pins on for
> a 9-pin DSUB connector, but I don't want to insert the pins willy-nilly
> into the DSUB connector. I've tried googling for a pinout diagram but can't
> find one. Can someone advise where to look, or perhaps they already have,
> the pinout diagram for this? That is, which leads of the Garmin cable go
> to which holes in the 9-pin DSUB.
>
> BTW, Garmin labels their leads as follows:
>
> Red: DC Input
> Blue: Port 1 Out
> White: Alarm
> Orange: Voice (-)
> Violet: Port 2 Out
> Black: Ground
> Yellow: Port 1 In
> Brown: Voice (+)
> Green: Port 2 In
Message 7
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| Subject: | Re: pinout for garmin 9-pin cable to DSUB |
http://en.wikipedia.org/wiki/Serial_port
2 - PC Rx (device Tx, Blue)
3 - PC Tx (device Rx, Yellow)
5 - Ground (Black)
As a side note, I think the 296 GPS may be the only one that supports
the dual serial ports. Other newer ones only support Port 1.
--Daniel
On Nov 20, 2011, at 12:28 PM, Ralph Finch wrote:
> I have a cable which connects a 9-pin DIN Garmin GPS (296 in my case)
to anything else...the cable has bare wire ends. I've crimped male pins
on for a 9-pin DSUB connector, but I don't want to insert the pins
willy-nilly into the DSUB connector. I've tried googling for a pinout
diagram but can't find one. Can someone advise where to look, or perhaps
they already have, the pinout diagram for this? That is, which leads of
the Garmin cable go to which holes in the 9-pin DSUB.
>
> BTW, Garmin labels their leads as follows:
>
> Red: DC Input
> Blue: Port 1 Out
> White: Alarm
> Orange: Voice (-)
> Violet: Port 2 Out
> Black: Ground
> Yellow: Port 1 In
> Brown: Voice (+)
> Green: Port 2 In
>
>
>
>
Message 8
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| Subject: | Re: pinout for garmin 9-pin cable to DSUB |
The question would then be =93 what is it you are hooking up to
the Garmin 296 via the 9-pin connector?
The only things of use are:
Power to the 296:
Red: +12v
Black: Ground
Feed to autopilot:
Blue: serial data out (NMEA)
Voice alert (Terrain/Obstacle):
Brown: feed to audio panel
If this is your interface to your aircraft systems...no standard DB-9
pinout is required. Put those leads in any hole you want.
If you want to be direct plug compatible with =9Cdevice
X=9D, then you should use =9Cdevice X=9D pinouts.
-James
From: Ralph Finch
Sent: Sunday, November 20, 2011 12:28 PM
Subject: AeroElectric-List: pinout for garmin 9-pin cable to DSUB
I have a cable which connects a 9-pin DIN Garmin GPS (296 in my case) to
anything else...the cable has bare wire ends. I've crimped male pins on
for a 9-pin DSUB connector, but I don't want to insert the pins
willy-nilly into the DSUB connector. I've tried googling for a pinout
diagram but can't find one. Can someone advise where to look, or perhaps
they already have, the pinout diagram for this? That is, which leads of
the Garmin cable go to which holes in the 9-pin DSUB.
BTW, Garmin labels their leads as follows:
Red: DC Input
Blue: Port 1 Out
White: Alarm
Orange: Voice (-)
Violet: Port 2 Out
Black: Ground
Yellow: Port 1 In
Brown: Voice (+)
Green: Port 2 In
Message 9
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| Subject: | Re: pinout for garmin 9-pin cable to DSUB |
Ah, wait, you said you crimped on MALE pins?
The port that comes from you computer is a male port, and the port that
comes from your GPS would be a male port as well, if I follow you.
Typically a female-female serial cable is a crossover-type cable with
pins 2 and 3 "crossed-over". You'd need to verify that with a meter, but
that would swap your pins 2 and 3 in the GPS connector.
In general, for DB9 serial:
DTE has a male connector (computers, old green-screen dumb terminals)
DCE has a female connector (modems)
This is not always followed though, so it's best to check cables with a
meter and consult the manual for nonstandard pinouts.
On Nov 20, 2011, at 1:02 PM, Daniel Hooper wrote:
> http://en.wikipedia.org/wiki/Serial_port
>
> 2 - PC Rx (device Tx, Blue)
> 3 - PC Tx (device Rx, Yellow)
> 5 - Ground (Black)
>
> As a side note, I think the 296 GPS may be the only one that supports
the dual serial ports. Other newer ones only support Port 1.
>
> --Daniel
>
> On Nov 20, 2011, at 12:28 PM, Ralph Finch wrote:
>
>> I have a cable which connects a 9-pin DIN Garmin GPS (296 in my case)
to anything else...the cable has bare wire ends. I've crimped male pins
on for a 9-pin DSUB connector, but I don't want to insert the pins
willy-nilly into the DSUB connector. I've tried googling for a pinout
diagram but can't find one. Can someone advise where to look, or perhaps
they already have, the pinout diagram for this? That is, which leads of
the Garmin cable go to which holes in the 9-pin DSUB.
>>
>> BTW, Garmin labels their leads as follows:
>>
>> Red: DC Input
>> Blue: Port 1 Out
>> White: Alarm
>> Orange: Voice (-)
>> Violet: Port 2 Out
>> Black: Ground
>> Yellow: Port 1 In
>> Brown: Voice (+)
>> Green: Port 2 In
>>
>>
>>
===========
===========
===========
===========
===========
>>
>
Message 10
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| Subject: | Re: Toggle switch terminal numbering |
I worked through the switch as best I could with an ohm meter before I posted.
It was tough going because the switches were in the panel and wired up to the
wig-wag flasher. There was not a lot of room. I had found a sketch I had made
with the pin assignments wrong on it but could not figure out the source of
that diagram. All in all I was just trying to get one more piece of information
to trouble shoot a problem.
The wrong pin assignments in my sketch had me wiring things wrong. They are corrected
now and everything works as designed/desired.
--------
John
Keller, TX
RV-8 N247TD
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=358610#358610
Message 11
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| Subject: | Re: PTT Y adapter for RST intercom |
Yes, two conductors only. Shield as one, center wire as the other. I realize now
the ring lead didn't connect to anything in my first drawing. I cleaned things
up a bit in the reworked drawing below. Is this what you mean?
--------
Dan
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=358613#358613
Attachments:
http://forums.matronics.com//files/rst_intercom_ptt_y_adapter_rework_108.jpg
Message 12
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| Subject: | Re: PTT Y adapter for RST intercom |
At 07:42 PM 11/20/2011, you wrote:
>
>Yes, two conductors only. Shield as one, center wire as the other. I
>realize now the ring lead didn't connect to anything in my first
>drawing. I cleaned things up a bit in the reworked drawing below. Is
>this what you mean?\
The jacks depicted don't show any microphone wiring . . . are
these jacks wire for mic too? Keep in mind that PTT goes
to the tip connector of the conventional, .205" microphone
plug.
http://aeroelectric.com/articles/micjack/micjack.html
Bob . . .
Message 13
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| Subject: | Re: PTT Y adapter for RST intercom |
> The jacks depicted don't show any microphone wiring . . . are
> these jacks wire for mic too?
Do you mean headphone wiring? I left out the headphone wiring, cuz I'd plug my
headset mic and phone plugs into the RST intercom box. According to the RST diagram,
the lead from this box labeled 'ics phones' would get plugged into the
handheld headphone jack.
What I'm trying to replace is the PTT wiring, labeled 'B' in this diagram, so I
intended to depict the two PTT switches, the two mic jacks, and the single mic
plug. I erased the ring connections in my drawing, leaving just the shell and
tip connects for the plugs.
> Keep in mind that PTT goes
> to the tip connector of the conventional, .205" microphone
> plug.
I also noticed in the micjack.html article the mic jacks have ring terminals that are connected to the pilot and copilot mic hi leads of the 760 radio, while in another drawing of yours, http://www.aeroelectric.com/PPS/Audio/hv1_760vhf.pdf you show these mic jacks with nothing connected to them.
--------
Dan
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=358618#358618
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