Cabletron Systems BRIM-WT1 User Manual

Contents

CHAPTER 4: USING THE LANVIEW LEDSPage 22BRIM-WT1 USER’S GUIDE4.2 T1/FT1 PORT LEDSThe following LEDs indicate the status of the T1/FT1 port.LOS (Loss of Signal)• On - Indicates a loss of link at the T1/FT1 port. This conditionoccurs when the T1/FT1 port receives 192 consecutive 0’s, thisshould not happen under normal conditions. Check the T1 portcable.• Off - Signal OK.TST (Test)• On - Indicates that the T1/FT1 port is in the test mode.• Off - Indicates that the T1/FT1 port is in the non-test mode.YEL (Yellow Alarm)• On - Indicates that the remote bridge has lost T1 Framesynchronization. Check the remote bridge, T1 port cable, or T1Frame Type setting.• Off - Synchronization OK.RED (Red Alarm)• On - Indicates that the bridge has lost T1 Frame synchronizationwith the remote bridge. Check the remote bridge, T1 port cable, orT1 Frame Type setting.• Off - Synchronization OK.

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