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Test-Um NT955 Series
If no telephone or voltage sources are found, Validator-NT attempts an
Ethernet link. If a link is found, information about the link is displayed:
- Identies the Ethernet connection
- Speed linked at (10, 100 or 1000 Megabit)
- Type of link (MDI, MDI-X or Auto MDI/MDI-X)
- Advertised Speed of the device
- SNR
- Skew if 1000 Mbit
- Frequency Offset – the difference in the data rate, in parts per
million (ppm), between the Validator-NT and the installed far end
equipment. The value should not normally exceed 100 ppm.
Data errors are likely to occur at 200 ppm.
Port Discovery
Ethernet
Capabilities
Link established at: 1 Gbs
Remote device MDI/MDI-X: Auto
Remote device advertises: 1 Gbs FDX
Remote device advertises: 100 Mbs HDX/FDX
Remote device advertises: 10 Mbs HDX/FDX
Pair [A]: skew: 0.0 ns SNR: 30.0 dB
Pair [B]: skew: 8.0 ns SNR: 29.9 dB
Pair [C]: skew: 0.0 ns SNR: 30.0 dB
Pair [D]: skew: 8.0 ns SNR: 30.0 dB
Frequency Offset: 30 ppm
Untitled1.job
Test-Um Inc.
validator
100%
2005 Aug 25
10:53:01
AUTO
E-NET
E-NET
Figure 6.5 Ethernet Link Detected
Validator
TM
Network Tests