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CB Radio Forum - Discussions regarding Citizens Band Radio (CB)

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  #21 (permalink)  
Old 07-12-2017, 11:14 AM
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does anyone know how to wire that stuff?!
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  #22 (permalink)  
Old 07-19-2017, 11:34 AM
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Does nobody ever connect a Sondmodem to a Radio?!
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Old 08-02-2017, 4:26 AM
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WTF nobody here have any clue how to wire a Sound modem to a cb Radio??!!!!
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  #24 (permalink)  
Old 08-02-2017, 8:50 AM
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Are you referring to the Yaesu SCU-17? If so, the information in the Instruction Manual seems to be pretty clear. While the examples shown in the manual are for Yaesu radios, they should provide enough information for interfacing this unit with any radio that has receive audio, transmit audio, PTT, and ground available for outside connections.

This forum may have an international reach, but most of the members are in the U.S. The rules for Citizens Band in the U.S. allow only voice to be transmitted. I suspect that there is very little interest in the U.S. for using the SCU-17 with CB. As a result, not many people here are going to be able to help you.
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Old 08-02-2017, 11:38 AM
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Quote:
The rules for Citizens Band in the U.S. allow only voice to be transmitted. I suspect that there is very little interest in the U.S. for using the SCU-17 with CB.
But the people who deal with radio stuff normally should understand what does it mean:
Code:
PIN 1  Microphone NF  
PIN 2  PTT-RX contact (on GND during reception) - also for  NF uncoupling packet radio 
PIN 3  PTT-TX contact (on GND during transmission)  
PIN 4  UP/DOWN button (caution, special circuit for AE 5890 EU) 
PIN 5  Ground, shielding
ok I know what Ground is but the rest?!
Quote:
PTT-RX contact
?!
I know what RX/ TX mean but now what kind of contract the talk about.
Quote:
Microphone NF
?! Narrow Frequency?!
Sorry the German Information is more confusing than the English.

And what kind of cable do i need?!
Sorry I have no clue and I found no Explanation (for Beginner) who is understandable.
A good English how to how does it work would be enough. There are a lot of Youtube Videos who show that it work but not how. Like when people use an Software where the Type Text in and on the other Send sound come out. ok and what is required to get there? What does the Settings mean?!....
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Old 08-02-2017, 12:24 PM
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Just out of curiosity, have you tried the Europe Radio Discussion Forum and post there? I didn't see anywhere that you asked that question there.
Also out of curiosity, why did you use English in your post # 15 in the below listed thread?
https://forums.radioreference.com/eu...ci-polska.html
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Old 08-02-2017, 2:47 PM
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Quote:
Just out of curiosity, have you tried the Europe Radio Discussion Forum and post there?
There you can hear the sound of silence.
Quote:
why did you use English in your post # 15 in the below listed thread?
I was many times in Poland but I dont speak one word Polish.
There is no other way to talk to people from Poland than with a friendly replay in English.
I dont know where you are from but here in Europe every Language Group for example German, "CZ / SK", PL, Spanish, Italian,... do there own think. We realy dont know many think about the other Language Groups like News or Political Discussion, Laws or what every because we dont understand anything.
That mean its quite impossible to find someone outside of the Language Group you speak.
English mean normally (EU and) UK related stuff or US and nowadays AUS.
There is no "Radio" SDR European Forum where you find people from other Country.
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Old 08-02-2017, 3:35 PM
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Quote:
Originally Posted by Your_account View Post
Code:
PIN 1  Microphone NF  
PIN 2  PTT-RX contact (on GND during reception) - also for  NF uncoupling packet radio 
PIN 3  PTT-TX contact (on GND during transmission)  
PIN 4  UP/DOWN button (caution, special circuit for AE 5890 EU) 
PIN 5  Ground, shielding
Pin 1 sounds like microphone audio. In other words audio from the microphone going to the mic audio circuit of the radio. This would be transmit audio from your SCU-17. I'm not sure what the "NF" means.

Pin 2 sounds like it is grounded when the radio is receiving.

Pin 3 sounds like it is grounded when the radio is transmitting. This may be the PTT signal from your SCU-17.

Pin 4 is the up/down channel changing buttons on the microphone. They probably go to logic circuits in the radio and won't be of any use to you with your SCU-17.

Pin 5 is the ground.

What you are missing is the receive audio from the radio to the SCU-17. Some radios have receive audio on the mic plug and some don't. You may have to get receive audio from an external speaker jack on the back of the radio.
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Old 08-02-2017, 3:44 PM
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in order for that to work there is going to have to be someone on the other end to decode what ever it is that you are going to send . Who are you going to send to ? maybe they can help . otherwise its just going to be a one way transmission
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Old 08-02-2017, 4:15 PM
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"maybe they can help . otherwise its just going to be a one way transmission", that was my thought too.
Who ever is the receiver will more than likely know the answer, hopefully.
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Old 08-02-2017, 5:39 PM
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Quote:
Pin 1 sounds like microphone audio. In other words audio from the microphone going to the mic audio circuit of the radio. This would be transmit audio from your SCU-17. I'm not sure what the "NF" means.
Me to.
Quote:
What you are missing is the receive audio from the radio to the SCU-17. Some radios have receive audio on the mic plug and some don't. You may have to get receive audio from an external speaker jack on the back of the radio.
Yes I have to use the connector on the Back.
But where does to PPT goes?
Quote:
Who are you going to send to ?
The same like Amateur Radio user do everyone who listen.
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maybe they can help
how to know the unknown cb user?
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otherwise its just going to be a one way transmission
Yes maybe but when nobody use it no one will transmitt.
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  #32 (permalink)  
Old 08-02-2017, 7:02 PM
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If you are doing something no one else is doing, the odds of getting a reply from a random transmission are pretty much zero.
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