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Alright71
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USB 3G modem issues

Tue Jan 13, 2015 4:32 pm

I have recently purchased a ZTE MF667 USB 3G modem for use with a RB951Ui-2HnD. Unfortunately, i am finding that while it seems the modem is supported, the USB port is not being given a port asignment

When I run /system resource usb print this is the output:
MT1.JPG

When I run /port print this is the output:
MT2.JPG
From this I am concluding that the modem is being recognized by the RB but that is all.

In System->Resources->USB I can see, again, that the modem is recognized, but that is all. When I look at anything dealing with PPP or LTE, under ports it simply written “unknown”.

I have tried every combination of power cycling/USB modem plug and unplug…nothing

I have used Putty and AT commands to turn off the virtual CD-ROM as was suggested in one post.

I have also inserted a USB flash drive into the port and it was successfully recognized.

I have also use the modem in my computer without an issue.

Any advice would be very appreciated.
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uldis
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Re: USB 3G modem issues

Tue Jan 13, 2015 7:36 pm

please contact support@mikrotik.com and include the support output file with the email.
 
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dunga
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Re: USB 3G modem issues

Fri Mar 06, 2015 1:22 pm

Hello
I have the same issue.Anyone with better solution so that I can get my usb modem to work on the rb with 6.18 OS.

See what is displayed when I inserted the modem,
zte mf667 picture.jpg
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Jandrik
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Re: USB 3G modem issues

Mon Jun 08, 2015 3:48 pm

Hi

You first have to disable the flash cd drive on the MF667 modem for routeros to recognize it as a modem at the port.

You can use Putty to issue these commands on Windows

Disable: AT+ZCDRUN=8

I used the newest DC-Unlocker software to open the com port. The mf667 modem is installed as a ndis ethernet device on windows. I used the following procedure:
Plug in the modem, open up your dashboard software installed by the modem until the modem is in a connection ready state, then close your dashboard software.
Run the DC-Unlocker software. The modem should now be recognized under ZTE and com and diagnostic ports installed. Under device manager on Windows you should now see the ZTE modem under modems. Now close the DC-Unlocker software and the modem should still be in device manager under modems. Right click and find the com port number.
Now use Putty to connect to the modem and issue the AT+ZCDRUN=8, it should respond with OK.

When you now unplug and reinsert the modem it should be recognized by windows as a modem rather than a ndis ethernet device and it should be recognized by routeros. You have to experiment with the channels, I haven't connected with it yet. Info channel =1 works for me, but my UMTS signal is currently down, so I don't know what the correct data channel is. The port shows 3 channels.
Capture1.JPG
Please note that after you disable the flash drive on the modem your Windows dashboard software cannot connect with the modem, unless you enable it again with the AT+ZCDRUN=9 command. So finalize your modem settings on your windows dashboard first, but you can still issue AT commands via Putty afterwards e.g.

AT+ZSNT=0,0,0 ((Auto) - Default)
AT+ZSNT=1,0,0 (GPRS Only)
AT+ZSNT=2,0,0 (3G Only)
AT+ZSNT=0,0,1 (GPRS Preferred)
AT+ZSNT=0,0,2 (3G Preferred)
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StNick
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Re: USB 3G modem issues

Sat Jul 04, 2015 2:55 pm

Thank you, Jandrik for the detailed post on how to get the MF667 working! I really appreciate the time you took to help others with the same problem (such as myself).

All working 100% now!
 
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dunga
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Re: USB 3G modem issues

Thu Jul 09, 2015 2:28 pm

Hi

You first have to disable the flash cd drive on the MF667 modem for routeros to recognize it as a modem at the port.

You can use Putty to issue these commands on Windows.......................How?

Disable: AT+ZCDRUN=8


Now use Putty to connect to the modem and issue the AT+ZCDRUN=8, it should respond with OK.

Please note that after you disable the flash drive on the modem your Windows dashboard software cannot connect with the modem, unless you enable it again with the AT+ZCDRUN=9 command. So finalize your modem settings on your windows dashboard first, but you can still issue AT commands via Putty afterwards e.g.

AT+ZSNT=0,0,0 ((Auto) - Default)
AT+ZSNT=1,0,0 (GPRS Only)
AT+ZSNT=2,0,0 (3G Only)
AT+ZSNT=0,0,1 (GPRS Preferred)
AT+ZSNT=0,0,2 (3G Preferred)
How can someone issue these command using putty in windows

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