AVOCENT ACS 6000 48-Port Unit Dual AC Power Supply with Built-in Modem Type: Device Server Specifications: Network (RJ-45): Yes USB: Yes Serial Port: Yes Parallel Port: No Centronics Port: No PoE (RJ-45) Port: No Number of Network (RJ-45) Ports: 2 Number of USB Ports: 1 Number of Serial Ports: 49 Standard Memory: 256 MB Processor Speed: 533 MHz