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Author Topic: Connecting our repeater to Echolink with a Kenwood TMV71 and a computer  (Read 4375 times)
N1FMV
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Posts: 76




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« on: November 01, 2015, 03:48:55 PM »

Hi all I am trying to connect my PC with Echolink to my TMV71a to transmit to our club's repeater. I bought the connection kit from Kenwood which has two cables. Each cable has a mini DIN connector at one end. One cable has a DB9 serial connector and the other has two 3.5mm audio connectors. On the back of the TMV71a there are two mini DIN ports. One is labeled DATA and the other is labeled PC. How do I know which cable plugs into which port? I have only found a very small amount of info on the web to help. Any info would be greatly appreciated.
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KG4RUL
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« Reply #1 on: November 03, 2015, 05:34:04 AM »

The Data Communications Cable (audio to/from the computer) is a 6 pin DIN cable which plugs into the left hand jack, marked DATA, on the radio.  The Serial Communication Cable (RS232 control cable) is a 8 pin DIN cable which plugs into the right hand jack, marked PC, on the radio.
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N1FMV
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Posts: 76




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« Reply #2 on: November 04, 2015, 09:31:16 PM »

Thanks, OK got that much done. It is receiving audio fine but for some reason I cannot get it to transmit. It doesn't appear to be activating the PTT of the radio. In the Sysop panel under the Tools menu in Echolink there is a TX tab. I am not sure which radio button to check for the PTT type and which baud rate to check off. I do have it set to COM4 which is the assigned port for my serial to USb adaptor. thanks for the help.
Frank



The Data Communications Cable (audio to/from the computer) is a 6 pin DIN cable which plugs into the left hand jack, marked DATA, on the radio.  The Serial Communication Cable (RS232 control cable) is a 8 pin DIN cable which plugs into the right hand jack, marked PC, on the radio.
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N1FMV
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Posts: 76




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« Reply #3 on: November 05, 2015, 09:31:44 PM »

Thanks guys, I am still not able to get it to work. Maybe I can describe my setup and it may be apparent what I am doing wrong:
I have the PC connected to the TMV71 using the two cables from Kenwood.
The repeater is about a mile away on 147.3360 which the rig is set to.
In Echolink under link setting in Tools there is a choice between simplex and repeater operation (-l or -r). Which one would I use in a setup like this?
The next page gives two choices for rig control I think the first is blaster and the second digital, any idea which one applies here?
Where I am right now is that when I connect from another computer I can ear the audio coming from the TMV71 but no audio is getting from the PC to the TMV71.
thanks
Frank
Thanks, OK got that much done. It is receiving audio fine but for some reason I cannot get it to transmit. It doesn't appear to be activating the PTT of the radio. In the Sysop panel under the Tools menu in Echolink there is a TX tab. I am not sure which radio button to check for the PTT type and which baud rate to check off. I do have it set to COM4 which is the assigned port for my serial to USb adaptor. thanks for the help.
Frank



The Data Communications Cable (audio to/from the computer) is a 6 pin DIN cable which plugs into the left hand jack, marked DATA, on the radio.  The Serial Communication Cable (RS232 control cable) is a 8 pin DIN cable which plugs into the right hand jack, marked PC, on the radio.
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W2NAP
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Posts: 279




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« Reply #4 on: November 30, 2015, 12:17:43 PM »

are you sure the computer isn't loading down the ptt line? (ie. keeping enough V on the line thus keeping the 71 from going into TX)

Is the callsign you are using for echolink the callsign on the repeater? if the repeater is K1ABC and you are using N1FMV for echolink login then use N1FMV-L

it would also be much much better to have this connected to the repeater itself instead of a RF link. put it blunt, if you connected to my repeater via your RF link and I was hearing your repeater ID's and Courtesy tones, id tell you to shut the shit off or GTFO so hopefully the repeater is transmitting pl and only then RF signal is coming though the repeater receiver.

also allstar is far better then echolink in audio quality. its linux based it does support echolink. and buying the DMK URI for 79$ is very worth it.
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