The Circuit Control unit can work in parallel with other units and can be managed from multiple Switch Control units with a matched bank number (252 unique bank numbers are allowed in NMEA 2000)
The cable between the two interfaces of a Bridge is 0
Here you can see a video how to program and update the Sensor using CAN Log Viewer software
You can even watch NMEA logs
NMEA-2000 USB Gateway YDNU-02 USB Style:Type-A Male - Direct to PC The Circuit Control unit canNMEA 2000 USB Gateway YDNU 02 The gateway allows you to see data from a NMEA 2000 marine digital network on a PC, laptop or tablet PC with Microsoft Windows, Mac OS or Linux. With it, you get marine network data including vessel course, speed, position, wind speed and direction, water depth, AIS messages from vessels and aircrafts and other navigation data in PC applications like OpenCPN, Coastal Explorer, Polar View, OpenSkipper, etc. The device