Fluke 19xC, Руководство пользователя

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Using The Bushealth Function
Input Connections and Tested Signals
6
79
Ethernet Twisted Pair/10BaseT/100BaseT
Default probe setting 10:1. Use the Fluke 10:1 probe.
1 Connect the red probe to test tool input A
2 Connect the probe ground lead to the bus TD+
(RD+)
3 Connect the probe tip to the bus TD- (RD-)
TD+ (RD+)
TD- (RD-)
RJ-45
1 (3)
2 (6)
Figure 45. Ethernet Twisted Pair Measurement
Connections
Note
Normally the Ethernet bus has continuous data
traffic. Incidentally the bus may have no
continuous data traffic. See Data Traffic on page
70.
Table 11. Ethernet Twisted Pair Tested Signal
Properties
Signal Description
V-Level Peak-Peak voltage
Data Bit width
Rise Rise time as % of bit width
Fall Fall time as % of bit width
Jitter Jitter distortion
Signal Dist. Signal distortion