Sun Microsystems 1.0 - Manual (Page 90)

64 SunFDDI/P 1.0 Adapter User’s Guide—May 1997
6
Figure 6-13 shows the occurrence of two different fault conditions in an FDDI
network that includes optical bypass switches. The station fault is bypassed
effectively to conserve the majority of the network intact; however, the cable
fault still causes station wrapping.
Figure 6-13 Optical Bypass Switches used in a Network
Secondary ring
Primary ring
FDDI DAS
FDDI DAS FDDI DAS
Failed FDDI DAS
Failed cable
Optical
bypass
Optical
bypass
Optical
bypass
Optical
bypass