FC Daughter Card | Functional Description |
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Optical modules are used to provide the optical interfaces at the face plate. See Connecting Optical Fibers on page 36 for installing the optical modules. Optical modules for the FC daughter card must be obtained separately. Recommended modules are FINISAR
The following figure shows the FC daughter card.
Figure 4-3 FC Daughter Card
ALM 
RUN
ALM 
RUN
Indicators
The FC daughter card provides the RUN and ALM indicators. You can monitor these indicators to diagnose the current status of the external FC interfaces.
The following table lists the two indicators provided by the FC daughter card.
Table 4-2 Indicators Provided by the FC Daughter Card
Indicator | Color | Meaning | Description |
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ALM | Amber | FC interface working | z Green on and amber on: |
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| state | the |
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| z Green off and amber blinking: Signal |
RUN | Green |
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| synchronization is lost. | ||
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| z Green off and amber on: The interfaces are |
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| obtaining signals. |
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| z Green on and amber off: The interfaces are |
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| ready for processing signals. |
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| z Green blinking and amber blinking: A fault |
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| occurs in the firmware. |
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