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Planet FTP-802 [12/22] Link loss return llr
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11
The administrator can then determine the source of the
problem.
Media
Converter
Management
Station
Switch/Hub
w/SNMP
Management
Station
Media
Converter
Switch/Hub
w/SNMP
TP TP
Fiber
Cable
LFP ONLFP ON
l LED lit = established link ° LED unlit = no link
Media
Converter
Management
Station
Switch/Hub
w/SNMP
Management
Station
Media
Converter
Switch/Hub
w/SNMP
TP TP
Broken
Fiber
Cable
LFP ONLFP ON
l LED lit = established link ° LED unlit = no link
*Units are shipped with the LFP function disable (OFF).
Link Loss Return (LLR)
The ber ports of FTP-80X have been designed with an LLR
function for troubleshooting a remote connection. LLR works in
conjunction with LLCF.
When LFP function is enabled, the port’s transmitter shuts down
when its receiver fails to detect a valid receive link. LLR should
only be enabled on one end of the link and is typically enabled
on either the unmanaged or remote device.
The diagram below shows a typical network conguration with
a good link status using FTP-80X for remote connectivity. Note
that LLR and LLCF are enabled as indicated in the diagram.
Media
Converter
Management
Station
Switch/Hub
w/SNMP
Station
Media
Converter
Switch/Hub
Fiber
Cable
LFP OFFLFP ON
l LED lit = established link ° LED unlit = no link
Media
Converter
Management
Station
Switch/Hub
w/SNMP
Station
Media
Converter
Management
Switch/Hub
TP TP
Broken
Fiber
LFP ONLFP ON
l LED lit = established link ° LED unlit = no link
Port 2 Port 1
Link Loss Carried Forward
Link Loss Returned
Link Loss Carried Forward
Содержание
- Disclaimer 3
- Trademarks 3
- Ce mark warning 4
- Fcc warning 4
- Weee warning 4
- Revision 5
- Table of contents 6
- About the power over ethernet injector 7
- Overview 7
- Checklist 8
- Model list 8
- Overview 9
- Product outlook 9
- The layout of ftp 802 is the same as for ftp 802s15 9
- Left view 10
- One dip switch for link fault pass through lfp feature on to turn on the llcf and llr detection and off to turn off this feature please refer to the following sections for more also one dc 48v power socket for the poe media converter 10
- Right view 10
- There are one rj 45 twisted pair jack auto mdi mdi x one fiber optic connector vary by model and four led indicators 10
- Ftp 80x incorporates an llcf function for troubleshooting a remote connection when lfp function is enabled the fl tp ports do not transmit a link signal until they receive a link signal from the opposite port 11
- If the connection breaks ftp 80x that link loss forward to the switch hub that generates a trap to the management station 11
- L led lit established link led unlit no link 11
- Link fault pass through lfp 11
- Link loss carry forward llcf 11
- Llcf link loss carry forward means when a device connected to the converter and the tp line loss the link the converter s fiber will disconnect the link of transmit llr link loss return means when a device connected to the converter and the fiber line loss the link the converter s fiber will disconnect the link of transmit both can immediately alarm administrators the problem of the link media and provide efficient solution to monitor the net 11
- The diagram below shows a typical network configuration with a good link status using ftp 80x for remote connectivity 11
- The lfp function includes the link fault pass through function llcf llr and the dip switch design llcf llr can immediately alarm administrators the problem of the link media and provide efficient solution to monitor the net the dip switch provides disable or enable the lfp function 11
- L led lit established link led unlit no link 12
- Link loss return llr 12
- The administrator can then determine the source of the problem 12
- The diagram below shows a typical network configuration with a good link status using ftp 80x for remote connectivity note that llr and llcf are enabled as indicated in the diagram 12
- The fiber ports of ftp 80x have been designed with an llr function for troubleshooting a remote connection llr works in conjunction with llcf 12
- Units are shipped with the lfp function disable off 12
- When lfp function is enabled the port s transmitter shuts down when its receiver fails to detect a valid receive link llr should only be enabled on one end of the link and is typically enabled on either the unmanaged or remote device 12
- If one of the optical conductors is bad as shown in the diagram box below the converter with llr function will return a no link condition to its link partner with llcf function also enabled the no link condition is carried forward to the switch hub where a trap is generated to the management station and the administrator can then determine the source of the loss 13
- L led lit established link led unlit no link 13
- Lfp function is turn off in default this feature can also be turned on via the side dip switch if you are not familiar with the network installa tion and for diagnostic purpose i e check which end is broken you can turn it on and reset the converter to make it take effect otherwise please remain it in the default position 13
- Ftp 80x 14
- Installing the converter 14
- Poe function 15
- Led color function 16
- Led indication 16
- Cable connection parameter 17
- Duplex connection limitation max 17
- Ftp 80x technical specifications 18
- A device s rj 45 pin assignments 19
- A rj 45 cable pin assignment 19
- Appendix a 19
- Contact mdi mdi x 19
- A fiber optical cable connection parameter 20
- Standard fiber type cable specification 20
- Ec declaration of conformity 21
- Planet technology corporation 21
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