Nortel Networks Media Dependent Adapter manual To this port

Table 5. 1000BASE-SX MDA Description

Item	Label	Description
2	Phy	Phy status LEDs (green):
	(or)
	Phy Select
		On: The corresponding Phy port is
		active.
		Off: The corresponding Phy port is in
		backup mode or there is no connection
		to this port.
3	Activity	Port activity LEDs (green):
		Blinking: Indicates network activity
		level for the corresponding port. A high
		level of network activity can cause
		LEDs to appear to be on continuously.
4		1000BASE-X SC port connectors.

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

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