Rainbow-electronics MAX5965B Manuel d'utilisateur télécharger pdf (Page 19)

MAX5965A/MAX5965B

High-Power, Quad, Monolithic, PSE Controllers

for Power over Ethernet

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Figure 1a. Detection, Classification, and Power-Up Port Sequence

OUT_

-4V

-9V

-18V

-48V

DETI

DETII

CLASS

150ms 150ms

21.3ms

80ms

Figure 1b. Detection, 2-Event Classification, and Power-Up Port Sequence

150ms

21.3ms

CLASSI

DETI

DETII

CLASSII

8ms

CLASSIII

21.3ms

80ms

-4V

-9V

OUT_

-18V

-48V

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 51 52

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Rainbow-electronics MAX5965B Manuel d'utilisateur Page 19