Intel 1000BASE-T User Manual

100Base-TX Rise and Fall Times
1000BASE-T/100BASE-TX/10BASE-T Physical Layer Compliance Tests Manual
46 Intel Confidential
12.3 Test Equipment
• Oscilloscope with at least 1 GHz bandwidth
• Differential probe with at least 1 GHz bandwidth and capacitance less than or equal to 1 pF
• Host computer running gigconf.exe
12.4 Test Fixtures
100 Ω UTP test load (Appendix A.1)
12.5 Test Procedure
1. Connect the test equipment and UUT as shown below.
Figure 12-2. Test Setup 1
2. From the 100 BASE-TX PHY Configuration Tests menu in gigconf.exe, select the Rise Fall
Times: 9.1.6 test.
3. Configure the oscilloscope according to Table 12-1.
Differential Probe
w/ 1 GHz BW
Unit Under Test
(UUT)
Digitizing
Oscilloscope
Test Fixture 40-25
100 Ohm Resistive Load
RX
RJ-45
TX
Table 12-1. Setting for Positive Rise and Fall Times
Scope Parameter Setting
Horizontal Scale 1 ns/division or 0.5 ns/division
Vertical Range -150 mV to +1050 mV (1200 mV over the full vertical scale)
Trigger Type
Positive pulse width triggering:
116 ns lower bound, 128 ns upper bound
Trigger Level 500 mV
Record Length
Large enough to enable viewing of one complete MLT-3 (3-level)
waveform by scrolling horizontally
Display Type Average

Intel 1000BASE-T Specifications

General

Brand	Intel
Model	1000BASE-T
Category	Adapter
Language	English