Nokia n81 Service Manual page 116

RM-179; RM-223
RF troubleshooting
This frontend solution needs some attention for the selection and connection of RF test equipment.
Connection of multiport test equipment (for example R&S CMU 200) is shown in the figure below.
Port 2 is configured as out and in port; port 3 is configured as out port.
Connection of single port test equipment (Ansitsu) is shown in the figure below.
Figure 28 GSM test
Figure 29 WCDMA 2100 test
Port 2 is configured as out and in port; port 3 is configured as out port.
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