# Before Calling Customer Support

- Before consulting the RACO Customer Service Department, or your local RACO Representative for assistance, please have the following information available:
- Provide information on your RTU configuration and its symptoms. This includes the configurations and the performance history of the Catalyst.
- Provide information on network operating parameters. This includes cabling specification, protocol, node addresses and equipment types, loading patterns, and usage by other applications.
- Addresses and properties of all data table locations of interest to the application.
- Ability, as required, to access the RTU itself and specific nodes, their ladder logic, program listings, or Alarmware™.