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RogerWilco
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Disconnect USB power

Fri Jun 24, 2011 1:32 am

I have a 3G USB modem with the RB411U and every few weeks it locks up. Resetting the router or disabling the USB modem doesn't work and I have to manually unplug the modem like I do when I use it in a laptop. Problem is, my setup is 4.2km of walking.

Is it possible to disable the USB port or disconnect power to it?
 
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Egate
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Re: Disconnect USB power

Fri Jun 24, 2011 7:20 pm

Just queries. Have you tried the watchdog timer? I know you said reset doesn’t work, just thinking maybe watchdog might.
Happy days. :-)
 
RogerWilco
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Re: Disconnect USB power

Fri Jun 24, 2011 11:23 pm

Thanks for the reply - how would I go about doing that?
 
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Egate
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Re: Disconnect USB power

Fri Jun 24, 2011 11:41 pm

Under system - Watchdog. Just set it up. Will reboot router after time specified if OS can’t ping ip, specified.
Happy days. :-)
 
jjnz1
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Re: Disconnect USB power

Sat Aug 06, 2011 7:14 am

I did that once, but ended up programming a boot loop as it took the router about 30s from boot to get a successful 3G connection. @20s the router thought, hmm no valid IP (through ping), and reboot.

I haven't looked at it since... is there a way around this boot loop?
 
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normis
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Re: Disconnect USB power

Mon Aug 08, 2011 10:46 am

new RouterBOARD models will support USB power-reset command for this problem. Older products like the mentioned, will not support it, as it's a hardware feature.
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jjnz1
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Re: Disconnect USB power

Thu Aug 11, 2011 1:16 am

Which models support this feature? I need a direct replacement for the 411ahur with mini pcie 3g. I take there is no work around for this yet no the 411?
 
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normis
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Re: Disconnect USB power

Thu Aug 11, 2011 7:37 am

currently only SXT
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shu3k
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Re: Disconnect USB power

Mon Oct 03, 2011 5:17 pm

I have router RB/SXT-5D (routerOS 5.7) with USB 3G modem AnyData ADU-300. 3G Modem with RB/SXT-5D work correctly.
For the test I enter a command /system resource usb power-reset. The command is accepted without errors, but USB modem AnyData ADU-300 doesn't reboot. Why power-reset doesn't work?
 
uldis
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Re: Disconnect USB power

Mon Oct 03, 2011 6:12 pm

try to add duration setting and specify for example 10 seconds and check if the device is removed from the 'system resource usb'
 
shu3k
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Re: Disconnect USB power

Tue Oct 04, 2011 9:38 am

I tried to add duration = 10. Nothing has changed.
The device remains in the system resource usb.
I have two RB/SXT-5D (RouterOS 5. 7). Power-reset does not work on both devices. I also changed the 3G modem on a different model. Nothing has changed
 
uldis
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Re: Disconnect USB power

Tue Oct 04, 2011 12:19 pm

what wireless mode does they use, station, bridge of some other mode?
Please contact the support about this.
 
lwq
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Re: Disconnect USB power

Sat May 26, 2012 5:14 pm

Which RouterBoard models currently supports usb-power-reset feature ? What about RB750UP ? Thx.
 
RogerWilco
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Re: Disconnect USB power

Fri May 31, 2013 5:22 am

Which RouterBoard models currently supports usb-power-reset feature ? What about RB750UP ? Thx.
http://wiki.mikrotik.com/wiki/Manual:USB_Features

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