Operation

Status LED

The Perle 10/100/1000 Rate converting Extended Temperature Media converters have status LEDs located on the front panel of the unit.

PWR

On – Power is applied to the unit

Blinking (slow) – Loopback mode (one or both fiber interfaces are in loopback mode)

Blinking (fast) Power On failure. See LED Pattern to determine pattern combination and failure cause

LED Pattern

 

 

 

FDF

LKF

FDC

PSE

 

Off

Off

On

On

SFP incompatible

 

All other LED patterns

 

Internal hardware

 

 

failure

 

 

 

 

FDF- (Fiber Duplex)

On – Full Duplex

Off – Half Duplex

LKF- (Status on Fiber Link)

On – Fiber link is present

Off – No fiber link present

Blinking (slow) – Fiber link appears functional – Fiber link has been brought down by Smart Link Pass-Through

Blinking (fast) – Fiber link up and receiving data

12Perle 10/100/1000 Ethernet Extended Temperature Media Converter Installation Guide

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Perle Systems S-1110-XT manual Operation, Status LED, LED Pattern