Specifications

Chapter 4: Operation
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4. Operation
4.1 LED Operation
Gigabit Miniature Media Converters include two LEDs, located on the RJ-45 connector. LED functions are as follows:
FX LNK Glows green when a link is established on the fiber port.
TX LNK/ACT Glows amber when a link is established on the copper port;
blinks amber when activity is detected on the copper port.