Nortel Networks Media Dependent Adapter manual BASE-FX MDA Description Label

Table 4. 100BASE-FX MDA Description

Item	Label	Description
1	Link	Communications link LEDs (green):
		On: Valid communications link.
		Off: Invalid communications link or no
		connection to this port.
		Blinking: The corresponding port is
		management disabled.
2	F Dx	Full-duplex port status LEDs (green):
		On: The corresponding port is in
		full-duplex mode.
		Off: The corresponding port is in
		half-duplex mode.
3	Activity	Port activity LEDs (green):
		Blinking: Indicates the network activity
		level for the corresponding port. A high

level of network activity can cause LEDs to appear to be on continuously.

4100BASE-FX port connectors:

•Models 400-2FX and 8100-2FX use SC connectors.

•Models 400-4FX and 8100-4FX use MT-RJ connectors.

For installation instructions, see “Installing an MDA” on page 22.

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