On 09/01/12 08:17, Panayiotis wrote: > On Δευ, 2012-01-09 at 00:33 +1100, Scott Ferguson wrote: >
<snipped> > >> 3. Please take note of the LED colours and flash rate throughout and >> post the results. > > There was a long pause at the beginning, then the green light flashed > twice, a shorter pause, then the green light flashed twice again. Then > at short intervals the blue or green light flashes once. I can't find > any other pattern. The switching between blue and green means you have a terrible signal - and 3G is only intermittently available. You previously mentioned that you believed the modem worked well with Windoof - I fail to understand how the OS influences reception. Atmospherics, orientation of the modem, things blocking and reflecting signals, varying numbers of subscribers, base station variations, etc - "seem" more feasible explanations for influencing signal reception. > >> 4. Run the following for a few minutes then adding the output to the post:- >> # cat /dev/USBtty1 | grep RSSI > > ^RSSI: 11 > ^RSSI: 13 > ^RSSI: 12 > ^RSSI: 13 > ^RSSI: 15 Received Signal Strength Indicator - the low number and variations is are in accordance with the LED information. NOTE: it's a poor indicator of signal "quality" - need SNR and BER to calculate that. You could try and see if you get SNR and BER data. I don't have that particular modem so I've no idea if that info is provided. The following output might prove instructive:- # cat /dev/ttyUSB1 | grep 'RSSI/|SNR/|SIR/|SINR/|BER' <snipped> > > paste.debian.net/151464 Thanks - that looks fine. I don't believe the apparent failure to set an endpoint is a problem. <snipped> I strongly suspect the main problem is signal reception. There is also a possibility your ppp settings are less than optimal. If we can boost your signal and reduce the amount of possible noise we'll have a useful basis for testing the ppp profile. Nearly there :-) You can spend money on a signal amplifier, and antenna, or a reflector - or I can give you instruction on a 5 minute kludge that'll do the same thing. What is the longest decent[*1] USB cable you have available to connect the modem too? Cheers -- Iceweasel/Firefox extensions for finding answers to Debian questions:- https://addons.mozilla.org/en-US/firefox/collections/Scott_Ferguson/debian/ -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/4f0a2c57.8070...@gmail.com
