Jumper settings for 120 Ohm connection

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Harald Welte laforge at gnumonks.org
Sun Mar 1 20:39:26 UTC 2009


On Sat, Feb 28, 2009 at 12:19:47PM +0000, Dieter Spaar wrote:
> Hello Holger,
> 
> On Sat, 28 Feb 2009 11:53:23 +0100, "Holger Adams" <holger at kernreaktor.org> wrote:
> > 
> > Maybe its important to mention:
> >  - Both LEDs of the E-1 card are blinking red
> >  - Used cables for the RJ45 plug (CAT5): orange/blue
> 
> I can't help with Linux (I use Windows), however I noticed
> this in mISDN (hfc_multi.c) a while ago:
> 
>   case 1: /* HFC-E1 OEM */
>   /* 2 red blinking: NT mode deactivate
>    * 2 red steady:   TE mode deactivate
>    * left green:     L1 active
>    * left red:       frame sync, but no L1
>    * right green:    L2 active
>    */
> 
> So I would guess that there is a synchronisation problem which is not
> related to the TEI setting. Maybe there is something wrong with the
> wire connection. If you can see the signal sent from the E1 card at
> the BS-11 and there is also a signal sent from the BS-11, than probably
> the signal from the BS-11 is not received by the E1 card so it could
> not synchronize on it.

the led's keep blinking red all the time during OpenBSC operation, seems to be
a hfcmulti driver bug that doesn't set the LED's correctly.

-- 
- Harald Welte <laforge at gnumonks.org>           http://laforge.gnumonks.org/
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