SST Modbus TCP Ethernet Interface Backplane Module For ControlLogix, w/ Remote Link Library. (Standard Order No. 1120730001). Product ID: SST-ESR2-CLX-RLL
SST Modbus Serial Interface Backplane Module For ControlLogix, w/ Remote Link Library. (Standard Order No. 1120780001). Product ID: SST-SR4-CLX-RLL