Hi Dan, according to the DVB (ETSI) specification, CAMs can only have 5V operating voltage. I do not know if there is any CAM around that (claims to) operate with 3.3V, although I know there are some that better should... Regards, Wolfgang On Thu, Jun 12, 2008 at 08:53:38PM +0300, Dan Lita wrote: > Dear Vladimir, > > I took a closer look on the CI-CAM adapter from Technotrend. > There is a 3.3V voltage regulator (LM1117 DT 3.3V) > > Similar, on the AD-SP400 it seems to be also a 3.3V voltage regulator > (marked 1084-33PE). 4046 board from Twinhan/Azurewave. > > According to SMIT operation voltage for their modules is 4.5 to 5.5V > > If in both cards the CAM takes power after these rectifiers > you cannot have a guaranteed operation. > > Dan > > Vladimir Prudnikov wrote: > >Do you think SMiT will be interested in hunting for bugs in linux > >drivers? These modules apparently work fine with any other hardware > >(I'm sure professional ones do!) > > > >Regards, > >Vladimir > > > >On Jun 12, 2008, at 5:26 PM, Frederic CAND wrote: > > > > > >>Did you try to contact SMIT support ? > >> > >>Vladimir Prudnikov a écrit : > >> > >>>Didn't try Aston CAMs with mpeg4. But they do up to 12 channels of > >>>mpeg2 perfectly well. With no problems at all. SMiTs that are for > >>>8 services can do only 3 to 4 for me. > >>>I think it's some kind of a driver bug because it begins working > >>>after reinitialisation. Doesn't get hot. I have tried to call > >>>Aston as well but with no success yet. > >>>Regards, > >>>Vladimir > >>>On Jun 12, 2008, at 2:56 PM, dan.lita@xxxxxxxxx wrote: > >>> > >>>>Dear Vladimir, > >>>> > >>>>I read your post on linux-dvb list. We have an Aston Viaccess > >>>>Professional 2.15 CAM . > >>>>I read that you also use Aston CAMS. My question is whether your > >>>>Aston Viaccess cam can descramble H264 feeds or not? > >>>>We have tried on a PACE HDTV receiver and a Tandberg unit and it > >>>>does not descramble the H264 video pid. (black screen) > >>>>This does not happen with Viaccess RED cam. > >>>> > >>>>On older Common interface adapters from Technotrend, the one for > >>>>TT Premium DVB-S card, there was a jumper for 3V or 5V cam > >>>>operation. > >>>>I assume the new CI adapter does not have such jumper. If it > >>>>still exist maybe it will be a good idea to switch from one > >>>>voltage to the other. > >>>>Another solution is to test whether it works or not for Irdeto to > >>>>use an Alphacrypt Classic CAM which, at least in theory, > >>>>according to MASCOM, supports Irdeto. > >>>>The third thing is to notice whether the SMIT cam gets hot in > >>>>operation. If it gets too hot maybe a fan similar to the one for > >>>>graphics card must be put near the Common interface adapter. > >>>> > >>>>BTW. Do you have any e-mail address from Aston? I have tried to > >>>>contact them but there is no e-mail address in their website. > >>>> > >>>>Best regards, > >>>>Dan Lita > >>>> > >>>> > >>>>Vladimir Prudnikov wrote: > >>>> > >>>>>Hello! > >>>>> > >>>>>I'm using SMIT cams to descramble channels on TT S-1500 and TT- > >>>>>S2-3200. After some time of normal operation SMIT cams drop out > >>>>>and stop decrypting the stream. It needs to be removed from the > >>>>>CI slot and reinserted to resume normal operation. Aston CAMs > >>>>>have no such problems, but they don't support 0x652 Irdeto. > >>>>>I'm streaming with vlc. Tried many SMITs (Viaccess and Irdeto). > >>>>>Same problem everywhere. > >>>>> > >>>>>Regards, > >>>>>Vladimir > >>>>> > >>>>>_______________________________________________ > >>>>>linux-dvb mailing list > >>>>>linux-dvb@xxxxxxxxxxx > >>>>>http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb > >>>>> > >>>>> > >>>>> > >>>>> > >>>_______________________________________________ > >>>linux-dvb mailing list > >>>linux-dvb@xxxxxxxxxxx > >>>http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb > >>> > >>-- > >>CAND Frederic > >>Product Manager > >>ANEVIA > >> > > > > > >_______________________________________________ > >linux-dvb mailing list > >linux-dvb@xxxxxxxxxxx > >http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb > > > > > > > > _______________________________________________ > linux-dvb mailing list > linux-dvb@xxxxxxxxxxx > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
