Eaton C441P Modbus Communication Module 24VDC I/O (MSS) Style: 3-2373-004B

Eaton C441L DeviceNet Communication Module, 24VDC I/O (MCS) Style: 3-2373-002C

Eaton C441S Profibus Communication Module, 120VAC I/O (MSC) Style: 3-2398-001B

C441K Eaton/Cutler Hammer 120VAC DeviceNet Control Unit C441 -SA

Allen Bradley 1770-KFD DeviceNet RS-232 Communication Module

Eaton C441K Plug-In DeviceNet Communication Module 120VAC I/O

Eaton C441U Communication Module EtherNet/IP 120VAC Stand Alone

New Eaton C441U Ethernet/IP Communication Module (3-3084-001G)