Hirschmann 942014001 RSB20-0800T1T1SAAB Managed Switch with 8 RJ45 Fast Copper ports (with 2 of copper ports are uplink ports). Operating Voltage of 18-32 VDC. Software Basic: Diagnosis, HIPER-Ring. DIN rail mount. Operating Temperature of 32F-140F. Approvals CE, cUL508, ISA12.12.01, Class 1 Div 2. RSB20 family of Basic Switches support Fast Ethernet (10/100 BASE-TX, 100 BASE-FX) and offer both comprehensive management and redundancy modes as well as various different functions for convenient configuration and diagnostics. Furthermore, they meet all current industrial standards and have cUL508 and cUL1604 Class 1 Div2 approvals. Supplied in a rugged and compact housing, they can be mounted on tophat rails. Passive cooling (no fans) and a redundant 12/24VDC power supply add to ensure high operational safety. All configuration data can be saved and recalled, if required, though a serial interface connecting to the ACA 11 autoconfiguration adapter.