Pad 1310nm cross-connects?

Sun Oct 20 16:13:06 UTC 2013

On Sun, 20 Oct 2013, joel jaeggli wrote:

> It's a pretty normal situation.  even with a 1-2m jumper I see light levels that are well below the maximum rx levels for 10km optics. e.g. the max might be .5 and the actual readings are -1.4 - -2.7. our WDM terminals sit in the the adjacent racks to the pop routers so they're all like that.
>
> ER/ZR is another matter.

Yes, ER/ZR must be attenuated unless the run is sufficiently long.  We 
have a link that's a bit too long for LR, but we still had to attenuate 
because the ER optics were reporting excessively high receive levels.

jms