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Product Data Sheets (pdf)...Multi-Power Miniature Media Converters

  • Manual... 
  • Industrial Ethernet Serial Servers User Manual
    User Manual for the LES401A, LES402A, and LES404A (Version 2)
  • Quick Start Guide... 
  • Industrial Managed Gigabit Ethernet Switch (4-Port RJ-45, 4-Port Combo RJ-45/SFP) QSG
    Quick Start Guide for the LEH2004A-4GSFP (Version 1)
  • Quick Start Guide... 
  • Hardened Managed Ethernet Switch Quick Start Guide
    Quick Start Guide for the LEH1000 Series (Version 1)

Black Box Explains…Media converters that also work as switches.

Media converters transparently convert the incoming electrical signal from one cable type and then transmit it over another type—thick coax to Thin, UTP to fiber, and so on. Traditionally, media... more/see it nowconverters were purely Layer 1 devices that only converted electrical signals and physical media and didn’t do anything to the data coming through the link.

Today’s media converters, however, are often more advanced Layer 2 Ethernet devices that, like traditional media converters, provide Layer 1 electrical and physical conversion. But, unlike traditional media converters, they also provide Layer 2 services and route Ethernet packets based on MAC address. These media converters are often called media converter switches, switching media converters, or Layer 2 media converters. They enable you to have multiple connections rather than just one simple in-and-out connection. And because they’re switches, they increase network efficiency.

Media converters are often used to connect newer 100-Mbps, Gigabit Ethernet, or ATM equipment to existing networks, which are generally 10BASE-T, 100BASE-T, or a mixture of both. They can also be used in pairs to insert a fiber segment into copper networks to increase cabling distances and enhance immunity to electromagnetic interference.

Rent an apartment…
Media converters are available in standalone models that convert between two different media types and in chassis-based models that house many media converters in a a single chassis.

Standalone models convert between two media. But, like a small apartment, they can be outgrown.

Consider your current and future applications before selecting a media converter. A good way to anticipate future network requirements is to choose media converters that work as standalone devices but can be rackmounted if needed later.

…or buy a house.
Chassis-based or modular media converter systems are normally rackmountable and have slots to house media converter modules. Like a well-planned house, the chassis gives you room to grow. These are used when many Ethernet segments of different media types need to be connected in a central location. Modules are available for the same conversions performed by the standalone converters, and they enable you to mix different media types such as 10BASE-T, 100BASE-TX, 100BASE-FX, ATM, and Gigabit modules. Although enterprise-level chassis-based systems generally have modules that can only be used in a chassis, many midrange systems feature modules that can be used individually or in a chassis. collapse

  • Manual... 
  • LinkGain Ethernet Extender over Coax User Manual
    User Manual for the LBNC300A and LBNC300AE (Version 2)
  • Quick Start Guide... 
  • Hardened Managed Ethernet Switch Quick Start Guide
    Quick Start Guide for the LEH1100 Series (Version 1)

Product Data Sheets (pdf)...LPH1000 Series Hardened Ethernet Switch—(4) 10/100/1000 Mbps, (1) GE SFP

Product Data Sheets (pdf)...Standard Media Converter Switches

  • Manual... 
  • Industrial Ethernet Serial Server Upgrade Procedure
    Upgrade Procedure for the LES401A, LES402A, and LES404A
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