Nortel Networks 1000BASE-XD Media Dependent Adapters, Table C-1, 1000BASE-SX MDA LEDs, Label

Media Dependent Adapters

450-1LR MDA (1-port redundant)

1000BASE-LX		1000BASE-LX
				Link
				Phy Select
				Activity
TX	RX	TX	RX	450-1LR MDA

450-1LX MDA (single port)

1000BASE-LX

		Link
		Phy
		Activity
TX	RX	450-1LX MDA

2 1 2 1

9216EA

1 = LEDs

2 = 1000BASE-FX SC Port Connectors

Figure C-2. 1000BASE-LX (Longwave Gigabit) MDA Front Panels

Table C-1 describes the 1000BASE-SX MDA LEDs.

Table C-1.	1000BASE-SX MDA LEDs
Label	Type	Color/State	Meaning
Link	Communication	Green/On	A valid communication link is established.
	link LEDs	Green/	The corresponding port is management disabled.
		Blinking
		Off	The communication link connection is bad, or there is no
			connection to this port.
Phy Select	Phy selection	Green/On	The corresponding Phy port is selected.
	LEDs	Off	The corresponding Phy port is in backup mode.
Activity	Port activity	Green/	Indicates network activity level for the corresponding port.
	LEDs	Blinking	A high level of network activity can cause LEDs to appear to
			be on continuously.

204515-C C-3