Figure 7-3: Primary and redundant ring configuration
7.3 Configuring a fiber optic connection
There are a number of ways that optical connections can be made between
systems depending on the level of redundancy required.
When a break occurs in the fiber ring, a solid red status light will be shown at
the fiber card downstream from the break and the link status LEDs may show
amber. Other fiber cards will intermittently show red, as the ring attempts to
recover. If the system layout is displayed by EHX the faulty links are shown in
red.
In order to diagnose faults or switch between primary and secondary rings or
between primary and backup fiber linking cards the system monitoring screen
in EHX must be used.
Note: For more information about EHX, see your EHX documentation (including EHX
Help).
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