[j-nsp] Do the old M-series fixed optic SONET/SDH PICs wear out?

[Mikael Abrahamsson]

On Fri, 14 Mar 2014, Will Orton wrote:

> Unfortunately I don't have a light meter. But I'm starting to think the 
> transmitters might just be toast and not pushing enough light to present 
> a usable signal to the other end even with only a 1m patch.

... or they might be sending too much light for the receiver to handle. 
Try an attenuator 5 or 10 dB should do the trick.

Optics is one of the things on a router with the highest MTBF so it's 
unlikely they're broke.

-- 
Mikael Abrahamsson    email: swmike at swm.pp.se