Comparison : Item # AX031800, 12 Inputs, 8 Relay Outputs, SAE J1939, LED Indicator
Item # AX031801, 12 Inputs, 8 Relay Outputs, CANopen®, LED Indicator
Item # AX031850, 12 Inputs, 8 Relay Outputs, SAE J1939 250kbps
Item # AX031850-01, 12 Inputs, 8 Relay Outputs, SAE J1939 500 kbps
Item # AX031850-02, 12 Inputs, 8 Relay Outputs SAE J1939 1 Mbps