CompactLogix 5370 L2 Controller:

• 2 EtherNet/IP ports with Device Level Ring Capability
• 750KB Memory
• 16 DC Inputs,
• 16 DC Outputs
• Up To 4 1769 I/O Expansion Modules
• 8 EtherNet/IP and 120 TCP Connections
• 24V DC Input Embedded Power Supply
• With 1GB SD Card, Can Support Up To 2GB SD Card
• 1 USB Port.