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Topic:
RS-232 to usb cable or pinout
This thread has 18 replies. Displaying posts 1 through 15.
Post 1 made on Monday March 21, 2016 at 18:07
wizardsword
Long Time Member
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I have a CNXLIR and i cannot get it to connect to DEAL. I have it powered on and DEAL does not recognize it. I have tried a few different RS-232 to usb cables and none are working for me. Anyone know of any cables that will work or the pin outs to do it myself?
Post 2 made on Tuesday March 22, 2016 at 14:26
thecynic315
Senior Member
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I use this with all Crestron gear

[Link: siig.com]
Post 3 made on Tuesday March 22, 2016 at 18:37
kgossen
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On March 21, 2016 at 18:07, wizardsword said...
I have a CNXLIR and i cannot get it to connect to DEAL. I have it powered on and DEAL does not recognize it. I have tried a few different RS-232 to usb cables and none are working for me. Anyone know of any cables that will work or the pin outs to do it myself?

You've gone into device manager and checked the settings on the usb adapter is correct for the Crestron device? The first one I used came with 115200 set as default, maybe check it.
"Quality isn't expensive, it's Priceless!"
OP | Post 4 made on Tuesday March 22, 2016 at 19:25
wizardsword
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On March 22, 2016 at 18:37, kgossen said...
You've gone into device manager and checked the settings on the usb adapter is correct for the Crestron device? The first one I used came with 115200 set as default, maybe check it.

Are you talking about the detect hardware in DEAL?
Post 5 made on Tuesday March 22, 2016 at 20:41
kgossen
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On March 22, 2016 at 19:25, wizardsword said...
Are you talking about the detect hardware in DEAL?

No, in Windows. Control panel - device manager - com ports.

You should find your adapter there and look at the properties of it.
"Quality isn't expensive, it's Priceless!"
OP | Post 6 made on Tuesday March 22, 2016 at 22:19
wizardsword
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On March 22, 2016 at 20:41, kgossen said...
No, in Windows. Control panel - device manager - com ports.

You should find your adapter there and look at the properties of it.

In my device manager as soon as i plug the USB into my computer it is recognized as a USB to serial and the drivers say they are working properly and are up to date.
Post 7 made on Wednesday March 23, 2016 at 10:00
kgossen
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On March 22, 2016 at 22:19, wizardsword said...
In my device manager as soon as i plug the USB into my computer it is recognized as a USB to serial and the drivers say they are working properly and are up to date.

The serial port settings must match between the 2 for them to communicate properly. IE: 9600, 8 N 1.

If the CNXLIR is set for 9600 Baud but your port is set for 115200, they're not going to talk to each other.
"Quality isn't expensive, it's Priceless!"
OP | Post 8 made on Wednesday March 23, 2016 at 20:27
wizardsword
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On March 23, 2016 at 10:00, kgossen said...
The serial port settings must match between the 2 for them to communicate properly. IE: 9600, 8 N 1.

If the CNXLIR is set for 9600 Baud but your port is set for 115200, they're not going to talk to each other.

I did change the settings on my device manager to match those and still it will not recognize my device. I made sure that the cable I purchased matches what the specs are as a DB9 straight and has RTS and CTS connections
Post 9 made on Thursday March 24, 2016 at 09:06
kgossen
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And the port number of your adapter matches the serial port number selected in Deal?
"Quality isn't expensive, it's Priceless!"
OP | Post 10 made on Thursday March 24, 2016 at 10:31
wizardsword
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My computer only has one usb port so im assuming thats why DEAL doesnt give me the drop down option box to choose the com port
Post 11 made on Thursday March 24, 2016 at 16:09
kgossen
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Deal doesn't know how many com ports you have. The USB adapter will have a com port number.

When in Deal, if you select "detect hardware" it does nothing?
"Quality isn't expensive, it's Priceless!"
Post 12 made on Friday March 25, 2016 at 14:16
weddellkw
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On March 24, 2016 at 16:09, kgossen said...
Deal doesn't know how many com ports you have. The USB adapter will have a com port number.

When in Deal, if you select "detect hardware" it does nothing?

And in Device Manager it should list an assigned Com Port next to the entry for your USB->Serial device...this can and will change.
OP | Post 13 made on Friday March 25, 2016 at 15:05
wizardsword
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In the device manager it lists it as COM port 4 however DEAL does not give me the drop down to select com port 4 and when i press detect hardware it just says communication error.
Post 14 made on Friday March 25, 2016 at 16:45
kgossen
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From the DEAL user manual:

Make sure the connection cable is
a RS-232, DB-9 “straight through”
cable with hardware handshaking
capability
. Cable must include
RTS and CTS connections.
"Quality isn't expensive, it's Priceless!"
OP | Post 15 made on Friday March 25, 2016 at 17:12
wizardsword
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I bought a cable matching those specs. This is the link to that cable

[Link: teragrand.com]
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