N-Tron 900 902/904 FX & FXE Module From Left to Right, 902/904 Module Jumpers Settings, Color

902/904 FX & FXE Module

From Left to Right:

TX Fiber Optic Transmit Port

RX Fiber Optic Receive Port

LNK Link LED (top LED) for Fiber Optic Port

ACT Activity LED (bottom LED) for Fiber Optic Port

Green LED lights when Power is connected

Note: At power cycle, only the LED’s on the first port flash on to indicate the reset condition, and then return to their proper state. All other reports remain off during reset. This is normal behavior.

LED’s: The table below describes the operating modes:

LED	Color	Description
	GREEN	Power is Applied
	OFF	Power is OFF
LNK	GREEN	Link between ports established
	OFF	No Link between ports
	GREEN	Data is active between ports
ACT
	OFF	Data is inactive between ports

902/904 Module Jumpers Settings

JP1 install jumper in location 1-2 when 1 or 2 modules are installed install jumper in location 3-4 when 3 modules are installed

JP2 install jumper in location 1-2 when 1 module are installed install jumper in location 3-4 when 2 or 3 modules are installed

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