LXT386LE datasheet(71/78 Pages) INTEL

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QUAD T1/E1/J1 Transceiver — LXT386

Datasheet

Table 52. G.703 2.048 Mbit/s Pulse Mask Specifications

Parameter

Cable

Unit

TWP

Coax

Test load impedance

120

Ω

Nominal peak mark voltage

3.0

2.37

Nominal peak space voltage

0 ±0.30

0 ±0.237

Nominal pulse width

244

Ratio of positive and negative pulse amplitudes at center of pulse

95-105

Ratio of positive and negative pulse amplitudes at nominal half amplitude

95-105

Figure 31. E1, G.703 Mask Templates

Table 53. T1.102 1.544 Mbit/s Pulse Mask Specifications

Parameter

Cable

Unit

TWP

Test load impedance

100

Ω

Nominal peak mark voltage

3.0

Nominal peak space voltage

0 ±0.15

Nominal pulse width

324

Ratio of positive and negative pulse amplitudes

95-105

20%

(244-25)

219 ns

244 ns

NOMINAL PULSE

488 ns

(244+244)

50%

194 ns

269 ns

(244+25)

(244- 50)

V = 100%

LXT386LE Datasheet(PDF) 71 Page - Intel Corporation

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