Enterasys Networks 7G4205-72 Switch User Manual


 
Using LANVIEW
4-4 Troubleshooting
Viewing the PoE Port Status
Ifthe7G428549or7G420572isinstalled inanN5chassisorifthe7G428549isreceiving
48VdcfromanexternalNPOEPowerSystemtosupportconnectionstoPDs(Powered
Devices),youcanviewthepowerstatusindicationsontheRXandTXLEDs.However,
only
onegroupof12portsmaybeviewedatatime.ToviewthePoEportstatus,referto
Figure 41andproceedasfollows:
1. PresstheGROUPSELECTbuttonformorethanonesecond.TheDFEmodule will
enterthePoEportstatusmode.
2. Now,everytimeyoupressthe
GROUPSELECTbuttonforlessthanasecond,the
GROUPLEDlightsupinsequence,indicatingwhichGroupisselected.ThePoE
POWERSTATUSforthatgroupofsegmentsisthenindicatedbytheRXandTXLEDs
foreachsegment.Ifthereispowerattheport,theRXLED
isgreenandtheTXLEDis
off.Otherwise,refertoTable 41fortroubleshootinginformation.
3. PresstheGROUPSELECTbuttonagainformorethanonesecond.Thisreturnsthe
DFEmoduletothedefaultstatusmodetomonitorRX(receive)andTX(transmit)
activity.
Table 41onpage 45describes
theLEDindicationsandprovidesrecommendedactions
asappropriate.
Note: The terms used in Table 4-1 to indicate the following:
Flashing indicates LED is flashing randomly.
Blinking indicates LED is flashing at a steady rate (approximately 50% on, 50% off).
Solid indicates a steady LED light. No pulsing.
Alternating indicates LED is flashing in a steady rate other than 50% on, 50% off.