FDDI Cable Attachment Configurations
Single-Attach Station (SAS)
......
FDDI Concentrator
Connect either ‘‘A’’ or ‘‘B’’ to any ‘‘M’’ port on
the concentrator
HP router with an
FDDI port
FigureThis configuration avoids the need for an optical bypass switch (page 1-
19)because the FDDI concentrator provides the isolation of the router from the dual ring (to prevent ring wrap) if the router’s FDDI circuit be- comes
1.Attach the concentrator to the FDDI ring.
2.Attach either port ‘‘A’’ or port ‘‘B’’ to any ‘‘M’’ port on the FDDI concentrator.