Chapter 16
Performing RFoCPRI Testing
JD700B Series User’s Guide
589
Calculating possible PIM
The Calculated PIM is used when you want to check any possible existence of PIM before the actual
measurement. The instrument displays possible PIM in red color.
Procedure
1
Press the
MEASURE SETUP
hot key.
2
Press the
Calculated PIM
soft key.
3
Toggle the
Radio Config
soft key between
Single
and
Multi
to select the mode you want to use.
Single:
Sets the frequency of Radio 1.
Multi:
Sets the frequency of Radio 1 and Radio 2.
4
Do one of the following:
To set the frequency and span, complete the following steps:
Toggle the
Mode
soft key to
Freq
.
Press the
Radio [1]2] Frequency
soft key.
Enter a value by using the numeric keys.
Select the unit option from:
GHz
,
MHz
,
kHz
, or
Hz
.
Press the
Radio [1|2] Span
soft key.
Enter a value by using the numeric keys.
Select the unit option from:
GHz
,
MHz
,
kHz
, or
Hz
.
To set the radio band, complete the following steps:
Toggle the
Mode
soft key to
Band
.
Press the
Radio [1]2] Band
soft key.
Highlight the radio band to select by using the rotary knob.
Press the
Select
soft key.
Detecting PIM (single and multiple carriers)
Procedure
1
Press the
MEASURE SETUP
hot key.
2
Connect cables as instructed on the screen.
NOTE
Make sure that the Tx of RRH is connected to the Rx port of SFP/SFP+ installed in your
CellAdvisor.
3
Complete one of the followings:
To set the uplink center frequency and span to be measured, complete the following steps:
Toggle the
Unit
soft key to
Freq
.
Press the
Uplink Center Frequency
soft key.
Enter a value by using the numeric keys or the rotary knob.
Select the unit from:
GHz
,
MHz
,
kHz
, or
Hz
.
To set the channel number to be measured, complete the following steps:
Toggle the
Unit
soft key to
Channel
.
Press the
Channel Std
soft key, and then highlight a desired band.
Press the
Select
soft key.
Press the
Channel Number
soft key.
Enter a value by using the numeric keys, and then press the
Enter
soft key.
The instrument automatically displays the corresponding center frequency value for the
selected channel number.
4
Press the
Continue
soft key, and then follow the instructions on the screen.
5
To clear current (C) and history (H) status of CPRI alarm on LOS and LOF and start a new
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 ...