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Planet FTP-802S15 [11/22] Link fault pass through lfp
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10
5. Link Fault Pass through (LFP)
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 efcient solution to monitor the net. The DIP Switch
provides disable or enable the LFP function.
LLCF (Link Loss Carry Forward) means when a device connected
to the converter and the TP line loss the link, the converter’s
ber will disconnect the link of transmit. LLR (Link Loss Return)
means when a device connected to the converter and the ber
line loss the link, the converter’s ber will disconnect the link
of transmit. Both can immediately alarm administrators the
problem of the link media and provide efcient solution to
monitor the net.
Link Loss Carry Forward (LLCF)
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.
The diagram below shows a typical network conguration with a
good link status using FTP-80X for remote connectivity.
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
If the connection breaks, FTP-80X that link loss forward to the
switch/hub that generates a trap to the management station.
Содержание
52- Trademarks
- Disclaimer
- Weee warning
- Fcc warning
- Ce mark warning
- Revision
- Table of contents
- Overview
- About the power over ethernet injector
- Model list
- Checklist
- The layout of ftp 802 is the same as for ftp 802s15
- Product outlook
- Overview
- There are one rj 45 twisted pair jack auto mdi mdi x one fiber optic connector vary by model and four led indicators
- Right view
- 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
- Left view
- 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
- The diagram below shows a typical network configuration with a good link status using ftp 80x for remote connectivity
- 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
- Link loss carry forward llcf
- Link fault pass through lfp
- L led lit established link led unlit no link
- If the connection breaks ftp 80x that link loss forward to the switch hub that generates a trap to the management station
- 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
- 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
- The administrator can then determine the source of the problem
- Link loss return llr
- L led lit established link led unlit no link
- 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
- Units are shipped with the lfp function disable off
- The fiber ports of ftp 80x have been designed with an llr function for troubleshooting a remote connection llr works in conjunction with llcf
- 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
- L led lit established link led unlit no link
- 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
- Installing the converter
- Ftp 80x
- Poe function
- Led indication
- Led color function
- Duplex connection limitation max
- Cable connection parameter
- Ftp 80x technical specifications
- A rj 45 cable pin assignment
- A device s rj 45 pin assignments
- Contact mdi mdi x
- Appendix a
- Standard fiber type cable specification
- A fiber optical cable connection parameter
- Planet technology corporation
- Ec declaration of conformity
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