B&B Electronics 711FX3-ST - Manual - Manual (Page 88)

(Revised 2010-2-24) Page 88 of 155
N-Ring – Status, Continued…
In rare cases an N-Ring can have a “Partial Fault”. An example of this is to have a break in just one fiber in
a duplex channel fiber pair. The screenshot below shows N-Ring Manager Status when a ‘Higher’ N-Ring
Port (TX2 or FX2) is not receiving self health frames all the way around the N-Ring, though the other (low
TX1 or FX1) N-Ring port is:
The screenshot below shows N-Ring Manager Status when a ‘Lower’ N-Ring Port (TX1 or FX1) is not
receiving self health frames all the way around the N-Ring, though the other (high TX2 or FX2) N-Ring
port is: