Black Box LEH812-2MMST Hardened Managed Ethernet Switch

• IP multicast filtering through IGMP snooping V1, V2, and V3.
• Supports port-based VLAN and IEEE 802.1Q VLAN tagging.
• IEEE 802.1p Quality of Service (QoS) with four priority queues.
• MAC-based trunking with automatic link failover.
• Manageable through a RS-232 console; Telnet; SNMP V1, V2c & V3; RMON; a Web browser; and TFTP.
• Supports command line interface on an RS-232 console.
• Supports IEEE 802.1x security.
• Complies with the IEC 61000-6-2 EMC generic standard immunity for industrial environments.
• Bandwidth rate control.
• Per-port programmable MAC address locking.
• Up to 24 static secure MAC addresses per port.
• Port mirroring.
• 8K MAC addresses.
• 2 Mb buffer memory.
• Operates 10-/100-Mbps full-/half-duplex.
• Autonegotiation, auto-MDI/MDIX.
• Full wire-speed forwarding rate.
• Redundant power inputs include a terminal block and DC jack.
• Supports DIN-rail, panel, and rackmount installation.
• Complies with NEMA TS1 & TS2 environmental requirements for traffic control equipment.
• Supports Network Time Protocol (NTP).
• IEEE 802.1w, IEEE 802.1S, and IEEE 802.1D spanning tree.

Designed for rugged environments, this Hardened Managed Ethernet Switch comes with (12) 10-/100-Mbps RJ-45 ports and (2) 100BASE-FX ST multimode ports in an enclosure that offers several mounting options. Fully manageable via SNMP, a Web browser, Telnet, or a console port, the LEH812-2MMST is designed to integrate 10-/100-Mbps networks into 100BASE-FX backbones.

• Operates in very hot and very cold conditions—even outdoors in sheltered locations.
• Great for traffic signal applications.
• Support for network redundancy; offers a recovery time of <15 ms.