M/A-Com P5100 Series, Руководство по установке

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MM102225V1, Rev. B
55
STEPS ACTION MISCELLANEOUS
9.
Press the Enter key on the laptop
keyboard.
The status information on the right will
be displayed on the PC console
application.
Similar to the text found on
the right.
Example: buck40:
14
buck40-bs1>
Setting the
HPA TX
Power
10.
Enter the command:
at@hpapowerN [CR]
Example: Where N is the desired HPA
power setting to overcome rack losses.
11.
Set the HPA Disable/Enable switch to
Enable .
12.
The HPA will send the message shown
on the right via the DCX to the console
display and start transmitting. HPA> RF enabled by front panel switch.
13.
Compare the measured value TX Power
on the HP 8920 to the desired level,
repeating steps 10-12 as necessary to
fine-tune the measured level to set the
prescribed Site ERP.
Note: There may be a slight variation
between the commanded and measured
power levels. This may be due to test cable
losses. Be sure to factor these into the
measurement process.
Example:
Output Power 43dBm
Test Cable Loss -.8dB
HP 8920 Reading 42.2dBm
14.
When the final value for TX Power is
achieved, enter the commands on the
right.
save_config [CR]
reboot [CR]
15.
After the DCX has completed its boot
cycle record the final measured HPA
TX
Power level on the collection sheet and
data sheet
15
.
16.
Set the tested HPA Enable/Disable
switch to the
Disable position.
17.
Repeat for each RF channel, leaving
tested HPA’s in the
DISABLED mode.
14
" Buck40 ", where used in this manual, is only an example of the applicable code.
15
Refer to APPENDIX L - RECORDED DATA SHEET.