Chapter 2: Overview

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

-NTP

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Black Box LEH1104A-4MMST, LEH906A-2SFP, LEH908A, LEH906A-2MMST, LEH906A-2GSFP, LEH906A-2MMSC, LEH1104A-2GSFP, LEH1008A Vlan, Ntp

LEH1104A-2SFP, LEH1008A-2SFP, LEH1008A-2MMSC, LEH906A-2GSFP, LEH906A-2MMST specifications

Black Box has established itself as a leader in providing robust networking solutions, and its range of hardened managed Ethernet switches, including the LEH1104A-4MMST, LEH1008A-2MMST, LEH906A-2SFP, and LEH906A-2MMSC, exemplifies this commitment. These switches are specifically designed to withstand the harsh environments often found in industrial and outdoor settings, making them ideal for applications such as transportation, utility management, and manufacturing.

The LEH1104A-4MMST model features four 10/100/1000 Mbps Ethernet ports, providing a flexible solution for networks requiring fast and reliable connectivity. It supports Power over Ethernet (PoE), enabling both data and power to be transmitted via a single cable, thereby simplifying installations and reducing wiring costs. This model also includes advanced features such as VLAN support, IGMP Snooping, and Quality of Service (QoS), ensuring optimized traffic management and network efficiency.

Similarly, the LEH1008A-2MMST switch offers eight ports and is built to handle a higher volume of connections without sacrificing performance. It boasts Layer 2 and Layer 3 management capabilities, allowing for complex network configurations and enhanced security measures such as port security and access control lists. The robust design and metal enclosure protect it from dust, moisture, and extreme temperatures.

The LEH906A-2SFP and LEH906A-2MMSC switches focus on modularity and connectivity flexibility, with SFP (Small Form-factor Pluggable) ports that enable users to choose the appropriate transceivers for their specific distances and media types, whether they require fiber or copper connections. Both models support dual-power inputs for redundancy and reliability, critical features for mission-critical applications.

All these switches are crafted to comply with industrial standards, ensuring reliable performance in diverse applications. Features such as redundant power supplies, fast recovery times, and support for protocols like SNMP (Simple Network Management Protocol) make network monitoring and management efficient and hassle-free.

In summary, Black Box’s hardened managed Ethernet switches, including the LEH1104A-4MMST, LEH1008A-2MMST, LEH906A-2SFP, and LEH906A-2MMSC, provide a perfect blend of durability, scalability, and management capabilities. These switches are engineered to meet the rigorous demands of industrial networking while ensuring seamless connectivity for diverse applications, making them an excellent investment for organizations looking to enhance their network infrastructure.