Agilent Technologies N5230A, Руководство по обслуживанию, Страница: 95 / 262

Service Guide N5230-90014 4-25
PNA Series Microwave Network Analyzers Troubleshooting
N5230A Rear Panel Troubleshooting
2. Cut the wires going to pins 1, 2, 3, and 6. Strip away a small amount of insulation from
each of the eight cut ends.
a. Connect the wire from pin 1 on one end of the cable to the wire from pin 3 on the
other end of the cable.
b. Connect the wire from pin 3 on one end of the cable to the wire from pin 1 on the
other end of the cable.
c. Connect the wire from pin 2 on one end of the cable to the wire from pin 6 on the
other end of the cable.
d. Connect the wire from pin 6 on one end of the cable to the wire from pin 2 on the
other end of the cable.
3. Insulate all exposed wires so that they cannot short together.
4. Label this as a crossover cable so that it cannot be confused with a standard cable.
Figure 4-8 Construction of a Crossover Cable
Table 4-6 LAN Pin Definitions and Wire Color Codes
Pin Number Color Pin Number Color
1 (tr) White/orange 5 White/blue
2 (transmit
−
) Orange 6 (receive
−
) Green
3 (r) White/green 7 White/brown
4 Blue 8 Brown