Nortel Networks Media Dependent Adapter There are two 1000BASE-LX longwave gigabit MDA models

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There are two 1000BASE-LX (longwave gigabit) MDA models:

450-1LR MDA (1-port redundant)

1 2

1000BASE-LX1000BASE-LX

TX

RX

TX

RX

Link

Phy Select

Activity

450-1LR MDA

	4	3
450-1LX MDA	1	2
450-1LX MDA
(single port)

1000BASE-LX

TX RX

Link

Phy

Activity

450-1LX MDA

43

BS45045A

Figure 5. 1000BASE-LX MDA Front Panels

19

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Contents Installing Media Dependent Adapters MDAs By Nortel Networks, Inc MDA Models IntroductionPage 100BASE-TX Models 10/100BASE-TX MDAsPage Item Label Description 100BASE-TX MDA10/100BASE-TX MDA 100BASE-FX MDAsPage Page BASE-FX MDA Models 1 Describes the 100BASE-FX MDA components and LEDs BASE-FX MDA Description Label 1000BASE-SX MDAs Page BASE-SX MDA Front Panels BASE-SX MDA Description Label To this port 1000BASE-LX MDAs Page There are two 1000BASE-LX longwave gigabit MDA models Page PHY BASE-LX MDA Description LabelInstalling an MDA Press the MDA firmly into the Uplink Module slot Replacing an MDA with a Different Model Cycle the switch power1000BASE-LX Multimode Applications