All ProSoft In-Chassis solutions (for Allen-Bradley/Rockwell Automation in-chassis installations) and ProTalk solutions (for Modicon Quantum in-chassis installations) with Ethernet ports can operate at 10Mbps or 100Mbps, half or full duplex. Most products have Auto-Negotiate capability, and where available default to this setting.
PLX3x and PLX8x gateways support 10/100 Mbps and full or half duplex (Auto-Negotiate)
All ProSoft ProLinx 4xxx or 5xxx Standalone Communications Gateway solutions operate at 10Mbps, half-duplex, only.