Managed industrial EtherNet switch combine extensive network performance and security features with complete IEEE redundancy (STP or RSTP or MST) and 15 ms recovery time extended ring redundancy. Unique web customization provides a simplified user interface for today's applications and scalable functionality for future needs. A comprehensive mix of fibre optic and copper port connections meets a wide range of applications. Unique clean-up function hides unused configuration pages, reducing complexity, maintenance and start up times. Auto negotiation and auto crossing detection simplifies installation and setup. Security options with cable locking. Secure web-based and SNMP-based management. Extensive web diagnostics with configurable LED and remote alarm contacts. RJ45 ports support a transmission speed of 10/100 Mbps, fibre optic ports support 100 Mbps. Ambient temperature -40 to 75°C and -10 to 60°C versions.