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black box LEH2004A-4GSFP
型号：LEH2004A-4GSFP
产品描述：
Industrial Managed Gigabit Ethernet Switch - 4-Port RJ-45, 4-Port Combo RJ-45/SFP
Product Highlights
Operates in extreme temperatures.
Supports B-ring, STP, and link aggregation for redundancy and resiliency.
Offers less than a 30-msec recovery time, link failover, and redundant power inputs.
Further Details
Meets numerous harsh/industrial standards, including NEMA TS1/2 for traffic control, EN6100-6-2 and -6-4 for industrial environments, including railway applications.
Features bandwidth rate control, traffic prioritization, and quality of service.
Manage through a Web interface, SNMP, or command-line interface (CLI).
Supports IEEE 802.1x security.
Features IP Multicast Filtering through IGMP Snooping V1, V2, and V3. Supports port-based VLAN and IEEE 802.1Q VLAN Tagging and GVRP.
Offers QoS with four priority queues.
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