RE: GigEth regenerators

["Daniska Tomas" <tomas () tronet com>]

to correct: imcnetworks don't specify, transmode does 3r oeo regeneration

--
 
Tomas Daniska
systems engineer
Tronet Computer Networks
Plynarenska 5, 829 75 Bratislava, Slovakia
tel: +421 2 58224111, fax: +421 2 58224199
 
A transistor protected by a fast-acting fuse will protect the fuse by blowing first.



> -----Original Message-----
> From: Daniska Tomas 
> Sent: 13. júna 2002 14:30
> To: nanog () merit edu
> Subject: RE: GigEth regenerators
>
>
>
> a brief summary of responses up to now:
>
> - there are several vendors making some kind of sx-to-zx gbe 
> converters (they call it gbe extenders), which gives an 
> equivalent of a device with a zx gbic. these vendors include 
> jdsu, luxn, extreme etc.
>
> - two companies were found making gbe optical regenerators - 
> imcnetworks and transmode
>
> - other solution is to try with edfa
>
>
>
> mikael: which exact gbic did you use?
>
> i was comparing cisco-reselled gbics and their cwdm gbics 
> seem to be more than 10dB better on power budget... anybody 
> tried this in real life?
>
>
> thanks again
>
> --
>  
> Tomas Daniska
> systems engineer
> Tronet Computer Networks
> Plynarenska 5, 829 75 Bratislava, Slovakia
> tel: +421 2 58224111, fax: +421 2 58224199
>  
> A transistor protected by a fast-acting fuse will protect the 
> fuse by blowing first.
>
>
>
> > -----Original Message-----
> > From: Mikael Abrahamsson [mailto:swmike () swm pp se] 
> > Sent: 12. júna 2002 17:48
> > To: nanog () merit edu
> > Subject: Re: GigEth regenerators
> >
> >
> >
> > On Wed, 12 Jun 2002, Daniska Tomas wrote:
> >
> > > but for gigeth in this case - we need to connect two sites 
> > about 200km
> > > apart over dark fiber
> >
> > Check out the 7020 from Transmode 
> > <http://www.transmode.se/products/sing_dual.htm>
> >
> > Btw, my personal best so far is 150km over dark fiber using a 
> > extra long 
> > haul GBIC, 32dB loss over the fiber and it worked perfectly. 
> > Only tested 
> > it for 10 minutes, but there were no CRC errors during that time.
> >
> > +4dB output from the GGBIC, now we have to worry to not 
> look into the 
> > laser :)
> >
> > -- 
> > Mikael Abrahamsson    email: swmike () swm pp se