Black Box LMC5027C-R3 manual Operation LED Operation, Upgrade LED Stacks Upper Function State

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Chapter 5: Operation

5. Operation

5.1 LED Operation

Each L2 module features diagnostic LEDs that provide information on features and ports.

Upgrade LED Stacks

Upper

Function

State

FEF

Fiber Far End Fault

ON Green

TXLL

TX LinkLoss/Blink if Active

ON Green

LNK

FiberLink is valid/Flash on Activity

ON Green

DIS

Software Disabled TX Port

On Yellow

Upper

Function

State

FA

FiberAlert enabled/Blink Active

ON Green

FXLL

FX LinkLoss/Blink if Active

ON Green

LNK

FX LinkLoss is valid/Flash on Activity

ON Green

DIS

Software Disabled fiber port

On Yellow

 

(via iView²)

 

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724-746-5500 blackbox.com

LMC5022C-R3

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Contents High-Density Media Converter System II Layer 2 Modules Blackbox.com LMC5022C-R3 FCC and IC RFI StatementsFCC and Industry Canada RF Interference Statements LMC5022C-R3 Blackbox.com CertificationsCertifications Table of Contents Part Numbers Part Numbers DescriptionSpecifications SpecificationsOverview Configuration ConfigurationTo install a Managed Media Converter Module Configuration Control and Snmp ManagementManaged Modules RequirementsUnmanaged Modules DIP Switch on S1 Feature Default Setting Link IntegrityFX LinkLoss Fxll Link Fault Pass-Through LfptTX LinkLoss Txll FiberAlert and Far End Fault Far End Fault FEF versus FAEnd-to-End Switch Connection AutoCross Feature for Twisted Pair ConnectionUpgrade LED Stacks Upper Function State OperationOperation LED Operation Upper Function StateTroubleshooting TroubleshootingContacting Black Box Fiber Optic Cleaning Guidelines Fiber Optic Cleaning & ESD PrecautionsElectrostatic Discharge Precautions LMC5022C-R3, Rev