#Crestron simpl error rlcmcvt239 software
![crestron simpl error rlcmcvt239 crestron simpl error rlcmcvt239](https://www.cisco.com/c/dam/en/us/support/docs/customer-collaboration/unified-customer-voice-portal-901/116178-technote-cvp-03.png)
SIMPL also allows for communication parameters to be set and can specify which device is connected to a specific card or network control module. These hardware components can be assigned port addresses, network IDs, and IP addresses.
![crestron simpl error rlcmcvt239 crestron simpl error rlcmcvt239](https://www.cisco.com/c/dam/en/us/support/docs/customer-collaboration/unified-customer-voice-portal-901/116178-technote-cvp-07.png)
Select the control system, user interfaces, network devices, and controlled equipment required for the installation. SIMPL provides the link between Crestron systems hardware, user interfaces, and equipment to be controlled. Crestron® SIMPL software provides all the tools necessary to configure, program, test, and debug an integrated control system application.