Dwdm tunable 10G can run at 1G with rate select. Sent from my iPhone
> On Jun 7, 2015, at 2:15 PM, Tony Wicks <t...@wicks.co.nz> wrote: > > I don't quite see why you would want to use a tuneable 1G optic now days. > Generally people use coloured optics to either increase the capacity they can > push down a Dark Fibre or to interconnect with a DWDM OTN. In days past using > different wavelengths for traffic separation would be not unheard of but in > today's world there are many better ways of doing that. The use of tuneable > optics reduces sparing and complexity but it is a very difficult and > expensive manufacturing task and I can understand why no manufacturer would > bother with 1G as that seems like a very small market. If you really want 1G > there are plenty of CWDM fixed optics available. If you need more capacity, > well really 10G is not at all expensive now days. If you want traffic > separation then use MPLS. If you have old 1G only switches, well, you know > the answer to that. > > My 2c > > > -----Original Message----- > Hi, > > I believe nobody actually answered the original question: is there any > tunable SFP module available. Notice the lack of a + in that statement. The > datasheets for modules cited in this thread are all 10G modules with minimum > speed of 8.5G. Nothing that will work at 1G. >
