To get RS232 Serial communications with a CUB5 or CUB5T use this card.

Plug-in cards are separately purchased option cards that plug into the main circuit board of the meter. Only one communication card can be used at a time. Crimson Software is a Windows based program that allows configuration of the CUB5 meter from a PC. Crimson offers standard drop-down menu commands, that make it easy to program the CUB5 meter. The CUB5 program can then be saved in a PC file for future use. A CUB5 serial plug-in card is required to program the meter using the software.