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Unable to open COM13 - port in use or doesn't exist

 
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barrence28



Joined: 05 Jun 2017
Posts: 4

PostPosted: Mon Jun 05, 2017 10:58 am    Post subject: Unable to open COM13 - port in use or doesn't exist Reply with quote

I am not able to send text. Please help someone

6/5/2017 11:47:17 AM ========================================
6/5/2017 11:47:17 AM Start stored message check
6/5/2017 11:47:17 AM Setting communication parameters (115200,n,8,1)
6/5/2017 11:47:17 AM Unable to open COM13 - port in use or doesn't exist
6/5/2017 11:47:19 AM ========================================
6/5/2017 11:47:19 AM Start connection to carrier: SMS
6/5/2017 11:47:19 AM Connect using GSM protocol
6/5/2017 11:47:19 AM Setting communication parameters (1200,n,8,1)
6/5/2017 11:47:19 AM Attempting to reset modem
6/5/2017 11:47:19 AM Sent:AT<CR>
6/5/2017 11:47:22 AM Attempting to reset modem
6/5/2017 11:47:23 AM Sent:AT<CR>
6/5/2017 11:47:26 AM Attempting to reset modem
6/5/2017 11:47:26 AM Sent:AT<CR>
6/5/2017 11:47:29 AM Attempting to hang up modem
6/5/2017 11:47:29 AM Sent:AT<CR>
6/5/2017 11:47:32 AM Attempting to hang up modem
6/5/2017 11:47:32 AM Sent:AT<CR>
6/5/2017 11:47:36 AM Attempting to hang up modem
6/5/2017 11:47:36 AM Sent:AT<CR>
6/5/2017 11:47:48 AM ========================================
6/5/2017 11:47:48 AM Start connection to carrier: SMS
6/5/2017 11:47:48 AM Connect using GSM protocol
6/5/2017 11:47:48 AM Setting communication parameters (1200,n,8,1)
6/5/2017 11:47:48 AM Attempting to reset modem
6/5/2017 11:47:48 AM Sent:AT<CR>
6/5/2017 11:47:51 AM Attempting to reset modem
6/5/2017 11:47:51 AM Sent:AT<CR>
6/5/2017 11:47:54 AM Attempting to reset modem
6/5/2017 11:47:54 AM Sent:AT<CR>
6/5/2017 11:47:57 AM Attempting to hang up modem
6/5/2017 11:47:57 AM Sent:AT<CR>
6/5/2017 11:48:01 AM Attempting to hang up modem
6/5/2017 11:48:01 AM Sent:AT<CR>
6/5/2017 11:48:04 AM Attempting to hang up modem
6/5/2017 11:48:04 AM Sent:AT<CR>
6/5/2017 11:48:08 AM Carrier retry limit reached. Marking pending messages as bad
6/5/2017 11:48:08 AM FAILED Stn:0 To:barrence Frm:test Msg:test
6/5/2017 11:48:08 AM ========================================
6/5/2017 11:48:08 AM Start stored message check
6/5/2017 11:48:08 AM Setting communication parameters (115200,n,8,1)
6/5/2017 11:48:08 AM Unable to open COM13 - port in use or doesn't exist
6/5/2017 11:49:00 AM ========================================
6/5/2017 11:49:00 AM Start stored message check
6/5/2017 11:49:00 AM Setting communication parameters (115200,n,8,1)
6/5/2017 11:49:00 AM Unable to open COM13 - port in use or doesn't exist


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Tech Support



Joined: 25 Aug 2003
Posts: 4041

PostPosted: Mon Jun 05, 2017 11:04 am    Post subject: Reply with quote

It looks like the COM port of your cellular modem may have changed or the hardware is experiencing some sort of issue.

To check the COM port first, go in to the 'Phone and Modem' section of the Control Panel in Windows. Once there, go under the Modems tab. What's listed and what COM port(s) are shown?



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barrence28



Joined: 05 Jun 2017
Posts: 4

PostPosted: Mon Jun 05, 2017 11:26 am    Post subject: Reply with quote

HUAWEI Mobile Connect - 3G Modem (Not Present)
HUAWEI Mobile Connect - 3G Modem #2 (Not Present)
Telit Mobile High Speed Modem (Not Present)
Telit Mobile High Speed Modem # (COM21)


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Posts: 4041

PostPosted: Mon Jun 05, 2017 11:36 am    Post subject: Reply with quote

I'd first recommend removing the devices that aren't present. Not that you have to do that, it's just better to keep a tidy hardware list.


Next, you'll need to go in to the properties of the device attached to COM21, then go under the Advanced tab. Once there, click Advanced Port Settings and specify a COM port number 16 or lower.

After specifying the new COM port, update the connector to use it and that should fix the issue.



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barrence28



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Posts: 4

PostPosted: Mon Jun 05, 2017 11:45 am    Post subject: Reply with quote

Message just changed to Unable to open COM2 - port in use or doesn't exist

after i updated the port.


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PostPosted: Mon Jun 05, 2017 12:12 pm    Post subject: Reply with quote

If you would, try to run Putty, Hyperterminal or some other port testing utility.

Then connect to COM2 with 115200 baud rate, 8 data bits, 1 stop bit and no parity.

Are you able to establish a connection to the port?

If so, what happens if you type any of the following and hit enter?
AT
AT+CSQ



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barrence28



Joined: 05 Jun 2017
Posts: 4

PostPosted: Mon Jun 05, 2017 12:32 pm    Post subject: Reply with quote

unable to establish connection.


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PostPosted: Mon Jun 05, 2017 12:34 pm    Post subject: Reply with quote

Hm... if it can't establish a connection, I'd recommend contacting the cellular modem's manufacturer for assistance as it appears that the device is malfunctioning and can't be reached.



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