Nortel Networks 8100-4TX MDA, Using the Passport 8100 Modules, Table C-2, 1000BASE-LX MDA LEDs

Using the Passport 8100 Modules

Table C-2 describes the 1000BASE-LX MDA LEDs.

Table C-2.	1000BASE-LX 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.

8100-4TX MDA

The 8100-4TX MDA (Figure C-3) uses standard RJ-45 connectors to attach Ethernet devices. This MDA can operate at either 10 Mb/s or 100 Mb/s speed. The speed is determined through autonegotiation with the connected device.

	100
	10
	F Dx
	Activity
	8100-4TX MDA
2	1

9215EB

1 = LEDs

2 = 10BASE-T/100BASE-TX Port Connectors

Figure C-3. 8100-4TX MDA Front Panel

C-4 204515-C