GENNUM CORPORATION

521 - 70 - 06

5

Fig. 3 Maximum Data Rate vs. Cable Length - Belden 8281n

(see Test Setup in Figure 1)

Fig. 4 Equalizer Gain vs. Frequency

Fig. 5 Additive Jitter vs. Input Cable Length - Belden 8281

Fig. 6 SSI/CD Voltage vs. Cable Length - Belden 8281

(CD_ADJ = 0V)

Fig. 7 Carrier Detect Adjust Voltage Threshold Characteristics

Fig. 8 Input Impedance

DATA RATE (Mb/s)

500

400

300

200

100

0

90

180

270

360

450

540

630

0.5 UI

Output

Additive

Jitter

0.2 UI

Output

Additive

Jitter

0

5

10

15

20

25

30

35

40

45

50

1

10

100

1000

FREQUENCY (MHz)

0

200

400

600

800

1000

1200

1400

1500

0

50

100

150

200

250

300

350

CABLE LENGTH (m)

540Mb/s

270Mb/s

5.00

4.50

4.00

3.50

3.00

2.50

0

50

100

150

200

250

300

350

400

450

500

CABLE LENGTH (m)

200

250

300

350

400

CABLE LENGTH (m)

2.0

3.0

3.5

4.0

4.5

5.0

2.5

3000

1620

810

720

-j1

-j2

-j5

j2

j5

j1

j0.5

j0.2

-j0.2

-j0.5

Frequencies in MHz, impedances normalized to 50

Ω.