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D-Link DMC-1910T [8/12] Link pass through function
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8
Link Pass Through Function
LLCF (Link Loss Carry Forward)
When a device connected to the converter and the TP line loss the link, the converter’s fiber will
disconnect the link of transmit, so that the other ends will know that there is a linkage error on this
end. And when the Fiber line loss the link, the converter’s TP will disconnected, and the other end
will know that there is linkage problem exist.
There is a default LLCF setting on this converter.
The table below shows how LLCF function is working:
Fiber
Copper
TX RX
Fiber
Copper
TX RX
RXTX RX TX
Gigabit Switch Gigabit Switch
LINK 1
LINK 2
LINK 3
LINK 4
Cable 1
Cable 2
Cable 3
Cable 4
Cable 5
Media
Converter A
Media
Converter B
Link Status
Disconnect
Link 1 Link 2 Link 3 Link 4
Cable 1 Off On On On
Cable 2 Off Off Off Off
Cable 3 On On On Off
Cable 4 Off Off Off Off
Cable 5 Off Off Off Off
Содержание
- Dmc 1910 1000base tx to 1000base lx 1
- Manual 1
- Single fiber dual wavelength media converter kit 1
- Ontents 2
- About link pass through 3
- About media converter 3
- Dual wavelength single fiber 3
- Introduction 3
- Product features 4
- Connecting to power 5
- Installation 5
- Installing in a chassis 5
- Selecting a site for the equipment 5
- Monitoring the converter through management module 6
- Led indicator 7
- The led indicators give you instant feedback on status of the converter 7
- Link pass through function 8
- Llcf link loss carry forward when a device connected to the converter and the tp line loss the link the converter s fiber will disconnect the link of transmit so that the other ends will know that there is a linkage error on this end and when the fiber line loss the link the converter s tp will disconnected and the other end will know that there is linkage problem exist there is a default llcf setting on this converter 8
- The table below shows how llcf function is working 8
- Llr link loss return when a device connected to the converter and the fiber line loss the link the converter s fiber will disconnect the link of transmit there is a switch to enable or disable the function of the media converter 9
- The table below shows how llr function is working 9
- Switch 10
- Switch 1 fiber mode switch 10
- Switch 2 llr 10
- There is a two pin dip switch on the module which define as switch 1 and switch 2 10
- When the switch was turned to on it means that the fiber was turned to forced mode and off for auto negotiation mode 10
- When the switch was turned to on it means that the llr was enabled and off for disabled 10
- Specifications 11
- Ordering information 12
- Please include the following information when ordering 1 fiber type single mode 2 fiber connector type sc 3 segment distance range for the fiber port 12
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