Aviom AllFrame - Manual (Page 47)

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ALL FRAME
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Multi-Modular I/O System
Adding Pro64 Devices to a Network
When a new Pro64 device is added to an existing network, the new device makes a request to the Control Master
for inclusion in the network. During this time, the new device’s blue A-Net LED will flash. When the new device
has been enumerated by the Control Master, its blue A-Net LED will then light solidly to indicate that the Control
Master has granted the device access to the network. Adding a new device will interrupt network operation briefly,
including the output of audio. The amount of time will vary based on the size and complexity of the network and
cable distances.
Control Master Errors
The following rules apply to the Control Master and active Pro64 networks.
If a slave device that is already part of an active network is incorrectly switched to be a Control Master (in addition
to the network’s already functioning Control Master), that device’s red Control Master LED will light and its blue
A-Net LED will go out to indicate the error. The Control Master LED will remain lit until the device is returned to
slave status, at which point the A-Net LED will light to indicate that the device is now part of the network. Note
that if this situation occurs in the middle of a daisy chain run of Pro64 devices, the new, incorrect Control Master
device can inadvertently create a second Pro64 network that cannot communicate with the original network.
If a new device set to be the Control Master is added to an active running network (one that already has a valid
Control Master), the new device’s Control Master LED will light but its A-Net LED will not. Its audio I/O resources
will remain unavailable until the device is returned to slave status. All audio on this device will be muted until the
device is set to be a slave.
If the Control Master is removed from a functioning network (by being disconnected, power failure, etc.), all slave
units will reset and audio will be muted. Slave units will wait for a new Control Master to be designated and at that
point will begin the enumeration process. Once the network has valid A-Net communication, audio resources will
become available.
Clock Master
One device in a Pro64 network will always be set as the network’s Clock Master; the device set as the Clock Master
will have its yellow Clock Master LED lit. If an F6 with only analog I/O cards installed is set as the Control Master, it
is also set to be the Clock Master by default.
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Modular I/O Frame
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The yellow Clock Master LED lights when the Pro64 device is the Clock Master.