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  • Manual... 
  • Compact Media Converter, 10BASE-T/10BASE2 Manual
    Manual for LMC009A-R5 (Version 1)
    httpftp
 
  • Manual... 
  • FlexPoint Modular Media Converter, 10BASE-T to 10BASE-FL Manual
    Manual for LMC212A-MM-R3, LMC212A-SM-R3, LMC212A-13MM-R3, LMC212A-SM-LH-R3, LMC212A-MM-SC-R2, LMC212A-SM-XLH, LMC212A-SM-SLH, LMC212AE-MM-R3, LMC212AE-SM-R3, LMC212AE-13MM-R3, LMC212AE-SM-LH-R3, LMC212AE-MM-SC-R2, LMC212AE-SM-XLH, and LMC212AE-SM-SLH (Version 1)
    httpftp
 
  • Manual... 
  • 100 Mbps Compact Media Converter
    Installation and User Guide (12/6/2013)
    httpftp
 

Black Box Explains...Link loss.

Media converters solve the problem of connecting different media types in mixed-media networks. In order to comply with IEEE standards, they implement IEEE data-encoding rules and the Link Integrity Test.

For... more/see it nowa twisted-pair segment, a link is a signal sent by the converters when the cable is in use. If no Link Integrity Test signal is received, the connected device assumes that the link is lost.

With fiber cable, a connected device checks a line by monitoring the Link Integrity Test signal from the converter and the power of the light being received. If the light’s power drops below a certain threshold, the link is lost. In either case, link loss usually results from a broken cable, which is the cause of approximately 70% of all LAN problems.

Link loss is often indicated by an LED on a connected network device. You can also monitor a link with network-management software, such as SNMP, which sends a TRAP (alert) to the management workstation when the link is lost.

Media converters actually function as two separate Multistation Access Units (MAUs). For example, one monitor is a twisted-pair segment and one monitor is a fiber segment. If a fiber cable is broken and the link is lost, a network manager on the twisted-pair end won’t know there’s a problem until users on the fiber side report it.

To solve this problem, Black Box® Modular Media Converters feature a unique Link-Loss capability. This enables the link status on one segment to reflect the link status of the other segment. So if the link is lost on the fiber side, the link is disabled on the UTP segment as well. And the converters will send an SNMP TRAP indicating the loss of link to the management workstation. collapse

  • Manual... 
  • FlexPoint RS-232 to Fiber Converter, Multimode, 2.5 km, SC
    Installation and User Guide
    httpftp
 
  • Manual... 
  • FlexPoint Modular Media Converter User Manual
    User Manual for the LMC100A-SC-R3, LMC100AE-SC-R3, LMC100A-SMSC-R3 LMC100AE-SMSC-R3, LMC100A-R3, LMC100AE-R3, LMC100A-SM-R3, LMC100AE-SM-R3, LMC100A-SMSC-LH-R3, LMC100AE-SMSC-LH-R3, LMC100A-RJ-R3, LMC100AE-RJ-R3, LMC100A-SMSC-XLH-R3, LMC100AE-SMSC-XLH-R3, (Version 1)
    httpftp
 

Product Data Sheets (pdf)...10BASE-T/100BASE-TX Ethernet Extender over VDSL


Black Box Explains...Why media converters need SNMP.

The number of Ethernet switches and fiber optic segments being added to Ethernet networks keeps increasing. And as long as most Ethernet switches are only available with 10BASE-T and 100BASE-TX... more/see it nowinterfaces, media converters will remain in demand.

Until now, a failure on the network could go unnoticed. Once a failure was detected, it could take a long time to isolate it, especially if a technician had to be sent to the site. But media converters with SNMP eliminate some of the guesswork.

With SNMP, the IS manager can detect a failure, isolate it to a specific port, and determine what hardware is required to repair it. A technician can then be sent directly to the right place to fix faulty hardware or repair a broken cable.

SNMP enables you to set up alarms or traps when a link is down. You can turn features on and off from a central terminal, so there’s no need to leave your desk. You can also monitor power supplies and replace them without interrupting service. SNMP management reduces the time and money it takes to get your network up and running again. The users on your network will notice—and appreciate—the improved service and reliability. collapse

  • Manual... 
  • 100 Mbps Economy Crossover Media Converters
    Installation and User Guide (2/2/2013)
    httpftp
 
  • Visio Stencil Drawing... 
  • Visio Stencil
    Stencil Drawings
    httpftp
 
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