Nortec LINKS XPS MH - Manual (Page 58)

Links XPS for NHTC | 55
Troubleshooting
When troubleshooting the communication process for Links XPS modules should be kept in
mind. Humidifier data is received by the NORTEC Links module using the modbus rtu protocol
over the serial port connection. The Links module then translates the data to the desired
protocol for connection over the networks.
Indicator Lights
There is a variety of status LEDs on the Links XPS module to aid in the diagnosis of
communication problems. Please refer to the following figures for locations and meaning
Figure 318: XPS BACnet Module LED