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Black Box Explains...vDSL.

VDSL (Very High Bit-Rate Digital Subscriber Line or Very High-Speed Digital Subscriber Line) is a “last-mile” broadband solution for both businesses and homes, providing economical, high-speed connections to fiber optic... more/see it nowbackbones.

VDSL enables the simultaneous transmission of voice, data, and video on existing voice-grade copper wires. Depending on the intended applications, you can set VDSL to run symmetrically or asymmetrically. VDSL’s high bandwidth allows for applications such as high-definition television, video-on-demand (VOD), high-quality videoconferencing, medical imaging, fast Internet access, and regular voice telephone services—all over a single voice-grade twisted pair. The actual VDSL distances you achieve vary based on line rate, gauge and type of wire, and noise/crosstalk environment. collapse

  • Quick Start Guide... 
  • Managed Miniature Media Converter Quick Start Guide
    Quick Start Guide for Managed Miniature Media Converter (1)
 

Black Box Explains...802.3ah.

802.3ah, also called Ethernet in the First Mile (EFM), is a new Ethernet standard designed to compete with standards such as DSL and cable modem in delivering broadband access to... more/see it nowhomes.

The 802.3ah specification covers point-to-point copper, point-to-point fiber, and point-to-multipoint fiber.

Ethernet in the First Mile over Copper (EFMC)
This point-to-point specification for copper wire takes advantage of DSL technology to send Ethernet over one pair of copper wires at 10 Mbps for 750 meters or 2 Mbps for 2700 meters.

Ethernet in the First Mile over Fiber (EFMF)
This point-to-point specification for single-mode, single-strand or single-mode, duplex fiber sends Ethernet at speeds of 100 Mbps or 1 Gbps up to 10 kilometers. It includes an optional extended temperature range from -40 to 185° F (-40 to 85° C) for outdoor use.

Ethernet in the First Mile over Passive Optical Networks (EPON)
This point-to-multipoint specification for fiber uses an optical splitter to divide the Ethernet signal into separate strands that go to individual subscribers. This enables an ISP to link many subscribers to a single uplink fiber without using active components in the field.

802.3ah includes the OAM specification, which provides utilities for monitoring and troubleshooting Ethernet links remotely, a capability vital for carrier-class deployment. OAM protocols address discovery, link monitoring, remote fault signaling, and remote loopback.

OAM is managed in-band but takes up very little bandwidth so network performance is not noticeably affected. OAM itself is not affected by VLANs or port-access restrictions. collapse


Product Data Sheets (pdf)...High-Density Media Converter System II

  • Firmware... 
  • Media Converters/High-Density Media Converter System II Firmware
    Firmware for LMC5200, LMC5228A, LMC5208A-R2, LMC5207A-R2, LMC5227A, LMC5205A, LMC5206A, LMC5204A, LMC5203A, LMC5237A, LMC5236A, LMC5235A, LMC5234A, and LMC5233A (1)
 
  • Manual... 
  • Managed Miniature Media Converters User Manual
    User Manual for the LMM101A-R2, LMM102A-R2, LMM103A-R2, LMM104A-R2, LMM115A, and LMM116A (Version 2)
 

Product Data Sheets (pdf)...Managed High-Density Media Converter System II Modules


Product Data Sheets (pdf)...High-Density Media Converter System II

  • Manual... 
  • High-Density Media Converter System II, 10-/100-Mbps Ethernet VDSL Extender Module User Manual
    User Manual for LMC5601C-VDSL2 (1)
 

Product Data Sheets (pdf)...Managed Miniature Media Converters

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