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Black Box Expansion Module
Black Box Expansion Module
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Black Box Expansion Module

2 sold in last 8 hours
Black Box Corporation
CESETS3969419
18 In stock
Routing/Switching Devices
$439.95
Designed for applications such as: oil/gas wells, electric substations, railways, utilities, and other industrial environments. Dual power supplies provide network redundancy with <30 millisecond failovers. Designed for extreme temperatures of -40 to +185° F (-40 to +85°C). Configure and monitor installations remotely. No truck rolls needed. Supports Web, SNMP, and...
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$439.95
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Free standard shipping on orders over $99

Estimated to be delivered on 12/01/2022 - 15/10/2022.

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We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

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Description
  • Designed for applications such as: oil/gas wells, electric substations, railways, utilities, and other industrial environments.
  • Dual power supplies provide network redundancy with <30 millisecond failovers.
  • Designed for extreme temperatures of -40 to +185° F (-40 to +85°C).
  • Configure and monitor installations remotely. No truck rolls needed.
  • Supports Web, SNMP, and console user interfaces.
  • Accommodates high-availability protocols, including xSTP, link aggregation, and redundant ring.
  • Manages traffic with 802.1p/q tagged frames. Handles jumbo frames.
  • Supports IP multicast snooping with IGMPv2/v3.
  • IEEE 802.3az energy efficient.

Built tough.
The LE2700 Series Hardened Managed Modular Switch system is designed demanding applications such as:

  • Oil/gas well and pipeline control and monitoring.
  • Municipalities for public safety and traffic control.
  • Security and surveillance providers for backhauling IP camera video and alarms.
  • Utilities, including electric substations and water/waste water.
  • SCADA/PLC/M2M systems for remote/automated communications.
  • HVAC systems remote control and monitoring.

Scalable, flexible, cost-effective.
This switch system is more than just tough. It's extremely versatile with a range of interface options. The modular design gives you the ability to add the right quantity, speed, and type of interfaces you need. If your needs change in the future, you can just swap out modules. Choose from copper and fiber modules, including a 10-GbE SFP+ module.

Ensure 100% uptime.
With dual power supplies, the switch is designed for redundancy. Set it up in a ring topology. If a link fails, the switch automatically falls over in less than 30 milliseconds. The switch is also compatible with redundant switches from other manufacturers.

Very manageable.
This switch includes extensive management software enabling you to manage it locally or remotely eliminating costly and time-consuming truck rolls. Software includes: SNMP, QoS, VLAN, IGMP Snooping, SMTP Client, DHCP; MRP, MSTP, and more.


  • Optical fiber cable compatible - Spans afar and provides speedy data transmission rates between servers and network components
  • Fast Ethernet technology - An ideal solution for extending network connections to conference rooms, labs, lobbies and department workgroups
  • With 100Base-FX technology, enjoy up to 100Mbps data transfer rate over optical fiber cable
Customer Reviews
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