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60virtuAl dAtA cAbles
Virtual Data Cables
Three types of Virtual Data Cable (VDC) ports are available on the rear panel
of the 6416m Input Module. Fourteen VDC Slots are available system‑wide,
regardless of the current network mode (Auto or Manual). Virtual Data Cables
are not affected by the network sample rate, channel activation settings, or
gain settings.
When a module requests to activate a Virtual Data Cable, the Control Master
checks the entire network to ensure that the requested VDC is available.
Depending on the type of VDC requested, one or more VDC Slots must be
available before the request can be granted.
When a VDC Slot has a valid input assignment, the Control Master broadcasts
this information to the entire network. Each module in the network will
display the In Use LED for any valid Virtual Data Cable input.
See the VDC info elsewhere in this User Guide for help configuring and using
the fourteen available Virtual Data Cables.
Configuring a VDC
To assign a Virtual Data Cable Slot to one of the VDC ports on the 6416m rear
panel, first select an available VDC Slot using the inc/dec buttons below the
VDC Slot readout. (VDC Slots with inputs that are currently in use somewhere
in the network will have the In Use dot lit.) Use the selector button to scroll
through the choices in the Assign Port list. The control data type LED and the
Enter/Cancel LED will flash. Press the En t E r button to assign the port, or press
Ca n CE l to exit.