D-Link DMC-1910R [4/11] About link pass through

Содержание

• D link 1
• Onverter 1
• D link 2
• Able o 3
• Ce mark warning 3
• Fcc warning 3
• Ontents 3
• Vcci warning 3
• About link pass through 4
• About media converter 4
• Dual wavelength single fiber 4
• Ntroduction 4
• Dmc 1910 product features 5
• Dmc 1910r product features 5
• Dmc 1910t product features 5
• Roduct feature 5
• Connecting to power 6
• Installing in a chassis 6
• Monitoring the converter through management module 6
• Nstalla tion 6
• Selecting a site for the equipment 6
• Converter s fiber will disconnect the link of transmit so that the other ends 7
• Know that there is linkage problem exist 7
• Led indicator 7
• Link pass through function 7
• Llcf link loss carry forward 7
• Loss the link the converter s tp will disconnected and the other end will 7
• Olink act 7
• The led indicators give you instant feedback on status of the converter 7
• There is a default llcf setting on this converter 7
• When a device connected to the converter and the tp line loss the link the 7
• Will know that there is a linkage error on this end and when the fiber line 7
• 1 by single fiber module is designed in dmc 1910 this function is not necessary 8
• 2 by single fiber module is designed in dmc 1910 this function is not necessary 8
• A on off 8
• B off off 8
• Media converter llr auto negotiation 8
• Mote if connecting two converters with llr function in both ends it is recommended that the monitor end converter had 8
• The converter s fiber will disconnect the link of transmit 8
• The table below shows how llcf function is working llr link loss return 8
• The table below shows how llr function is working 8
• There is a switch to enable or disable the function of the media converter 8
• To turn off the llr function and turn on the llr function of the remote end converter 8
• When a device connected to the converter and the fiber line loss the link 8
• By single fiber module is designed in dmc 1910 this function is not 9
• Converters must set to forced mode 9
• Forced mode and off for auto negotiation mode 9
• Necessary 9
• Negotiation and when using two converters at the same time the two 9
• Note be sure the opposite end is using the same setting forced or auto 9
• Pecifications 9
• Switch 9
• Switch 1 fiber mode switch 9
• Switch 2 9
• Switch 2 llr 9
• There is a two pin dip switch on the module which defines as switch 1 and 9
• When the switch was turned to on it means that the fiber was turned to 9
• D link 10
• Limited warranty 10
• Nformation 10
• Rderin 10
• Contents are subject to change without prior notice copyright 2002 by d link 11
• Copyright statement no part of this publication or documentation accompanying this 11
• Corporation d link systems inc all rights reserved 11
• Corporation d link systems inc as stipulated by the united states copyright act of 11
• D link office 11
• For detailed warranty outside the united states please contact corresponding local 11
• Product may be reproduced in any form or by any means or used to make any derivative 11
• Register your d link product online at http support dlink com reqister 11
• Such as translation transformation or adaptation without permission from d link 11

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INTRODUCTION Thank you for choosing the lOOOBase Gigabit Ethernet Media Converter The Converter introduced here provides one channel media conversion between 1000BASE TX and 1000BASE LX Dual Wavelength Single Fiber These types of Single Fiber modules combine transmit and receive signals onto one fiber strand using two wavelengths This design avoids the budget losses incurred in the single wavelength single fiber technology and minimizes any possibility of reflections in the system The units on both ends of a link are different One module uses one wavelength to transmit and a second wavelength to receive while the other module flips that relationship DMC 1910 is packed with DMC 191OT and DMC 191 OR If you just buy single unit the TX 1310nm on unit must work with RX 1310nm on unit On the other hand the TX 1550nm of unit must work with RX 1550nm on unit About Media Converter Media Converter is a network technology specified by IEEE 802 3ab and IEEE 802 3z 1000BASE TX and 1000BASE LX standards About Link Pass Through The LLCF function default is enabled the ports do not transmit a link signal until they receive a link signal from the opposite port Link loss is carried forward to the managed switch or hub that is sending the link LLCF can be used for either the copper or fiber ports I