Slot number is just a "virtual port" that can be used to be associated with devices.
For TSL UMD protocol this does not really matter and you just assign to any slot you have open. Note you are going to probably need to setup 1 device per camera if you are sending direct to the Camera if it does not have a central controller that you are to send too.
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Les O'Reilly
Director - Switcher Product Management
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