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