Grass Valley MRC v.1.2 - Manual (Page 69)

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Miranda Router Configurator
User’s Guide
• Network Frame Summary
Use the ‘Hybrid Routers’ section of the network frame summary to select the control card of
the router of interest.
The page and its sections of course vary in appearance with the router that is chosen.
• Buttons
There are two buttons at the bottom of the “Redundant Crosspoint’ page: ‘Refresh Sum-
mary’ and ‘Update Control Card’.
Click ‘Refresh Summary’ to refresh the list of router control cards in the ‘Network Frame Sym-
mary’ section.
Click ‘Update Control Card’ to save changes to the priority list or the automatic failover
option.
Manual Redundant Switchover
Normally, the redundant crosspoint is in standby operation and the normal crosspoint cards are
all active. If a normal crosspoint card fails, you can cause the redundant crosspoint module to
take over for the failed crosspoint card.
The redundant crosspoint card, the normal crosspoint cards, and the methods for switching the
redundant crosspoint manually differ according to the router involved.
NV8140 Switchover
The NV8140 has 3 crosspoint card slots. As viewed from the front of the router, slot 1 is on the
left, the redundant crosspoint card is in slot 2, and slot 3 is on the right:
Usually, the normal crosspoint cards are active and their active LEDs are on and the redundant
crosspoint card is in standby mode, its ‘Active’ LED is off, and its ‘Standby’ button is bright.
If the card in slot 1 fails or you want to remove it from the frame, press the button labeled 1 on
the redundant crosspoint card. Immediately, the redundant card takes over for the card in slot 1.
If the card in slot 1 is still powered up, its ‘Active’ LED turns off. The redundant card’s active LED
1
3
ALARM
ACTIVE
POWER
ALARM
ACTIVE
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POWER
REDUNDANT OPERATION
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REDUNDANT OPERATION
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