Vlan, Ntp | Black Box LEH1104A-4MMST, LEH906A-2SFP, LEH908A, LEH906A-2MMST

2.2 Features

2.2.1 Features Common to LEH900 Series, LEH1000 Series, and LEH1100 Series

•Meets NEMA TS1/TS2 Environmental requirements such as temperature, shock, and vibration for traffic control equipment.

•Meets EN61000-6-2 & EN61000-6-4 EMC Generic Standard Immunity for industrial environment.

•Supports Command-Line Interface in RS-232 console.

•100BASE-FX: Multimode SC or ST type; Single-mode SC or ST type. 100BASE-BX: WDM single-mode SC type.

•1000BASE-SX/LX: Multimode or single-mode SC type. 1000BASE-BX: WDM single-mode SC type.

•Supports 8192 MAC addresses. Provides 2 Mbits memory buffer.

•Alarms for power and port link failure by relay output.

•Supports DIN-rail or panel mounting installation.

•Power Supply: Redundant DC terminal block power inputs or 12-VDC DC jack, 100–240 VAC external power supply.

Management Support

VLAN:

•Port-based VLAN

•IEEE 802.1Q tagged VLAN Trunking:

•MAC-based trunking with automatic link fail-over Port Security:

•Per-port programmable MAC address locking

•Up to 24 Static Secure MAC addresses per port

•IEEE 802.1x Port-based Network Access Control Port mirroring:

•QOS (IEEE802.1p Quality of Service)

•4 priority queues

Internetworking protocols:

• Bridging:

-IEEE 802.1s Multiple Spanning Tree

-IEEE 802.1w Rapid Spanning Tree

-IEEE 802.1D Spanning Tree compatible

-IEEE 802.1Q – GVRP

Ring

• IP Multicast:

-IGMP Snooping

-Rate Control

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