Ensure the network is properly terminated with a 100-ohm resistor if you are at the end of a long wire run. Best Practices for Field Technicians

Once a controller is selected, the tool displays "Status," "Maintenance," and "Configuration" tables:

The Carrier Network Service Tool V (NST V) is a specialized diagnostic software interface designed for HVAC technicians to communicate with Carrier CCN (Carrier Comfort Network) controllers. This manual-style guide provides a comprehensive overview of how to install, configure, and utilize the tool to manage commercial building automation systems. Overview of the Service Tool V

Permanent settings such as setpoint limits, delay timers, and equipment stages. Alarm Management

If the COM port does not appear, reinstall the USB-485 drivers via the Device Manager.

Real-time sensor readings (temperatures, pressures, setpoints).