Nortel Networks Media Dependent Adapter manual BASE-SX MDA Front Panels

There are two 1000BASE-SX (shortwave gigabit) MDA models (Figure 4):

450-1SR MDA	1	2
(1-port redundant)

1000BASE-SX1000BASE-SX

TX RX TX RX

Link

Phy Select

Activity

450-1SR MDA

	4	3
450-1SX MDA	1	2

(single port)

1000BASE-SX

TX RX

Link

Phy

Activity

450-1SX MDA

43

BS45044A

Figure 4. 1000BASE-SX MDA Front Panels

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