Chapter 14
Using NB-IoT Signal Analyzer
500
JD700B Series User’s Guide
Connecting a cable
Direct connection
Procedure
1
Connect the
Spectrum Analyzer RF In
port of the JD700B series and the Power amplifier output
port of BTS.
Figure 297 Direct connection
JD785B/JD745B
JD788B/JD748B
Indirect connection
Procedure
1
Connect the
Spectrum Analyzer RF In
port of the JD700B series and the monitor (test) port of
BTS.
Figure 298 Indirect connection
JD785B/JD745B
JD788B/JD748B
CAUTION
The maximum power for the
Spectrum Analyzer RF In
port is +25 dBm (0.316 W) for
JD780B series and +20 dBm (0.1 W) for JD740B series. If the level of the input signal to
be measured is greater than this, use a
High Power Attenuator
to prevent damage
when you directly connect the signal to the instrument or connect the signal from the
coupling port of a directional coupler.
Over the air (OTA)
Procedure
1
Connect an Omni/directional RF antenna to the
Spectrum Analyzer RF In
port of the JD700B
Содержание CellAdvisor JD700B Series
Страница 2: ...CellAdvisorTM JD700B Series FW3 120 User s Guide ...
Страница 105: ...Chapter 4 Using Spectrum Analyzer 104 JD700B Series User s Guide Figure 44 PIM detection for multiple carriers ...
Страница 406: ...Chapter 11 Using EV DO Signal Analyzer JD700B Series User s Guide 405 3 Pilot 4 MAC 64 5 MAC 128 ...
Страница 734: ...Chapter 18 Perfroming BBU Emulation JD700B Series User s Guide 733 Figure 441 Example of verification of link status ...
Страница 763: ...Chapter 21 Performing Fiber Inspection 762 JD700B Series User s Guide Figure 461 Fiber inspection report ...
Страница 808: ...Appendix JD700B Series User s Guide 807 JD740B series ...
Страница 811: ...Appendix 810 JD700B Series User s Guide Figure 470 Append keywords window ...