![Harris Maxiva UAX Service Bulletin Download Page 23](http://html1.mh-extra.com/html/harris/maxiva-uax/maxiva-uax_service-bulletin_4030108023.webp)
Title:
PCM-1 to PCM-2 Upgrade Instructions
Sheet 20 of 25
Rev: A
Dwg:
873-4514-001
STEP 57.
From the local Panel PC TCU Home page select:
a. The LPU A “Exciter” button
b. Then “Power Amps”
c. Then “LPU PA’s”
The local Panel PC display should now be the same as what is shown in
figure 32. The title “48V DC” is now on one line as it should be. If the
words are still on two separate lines as shown in figure 29, return to step
56 to repeat the patch installation process.
Figure 32
STEP 58.
Close the web browser.
STEP 59.
Remove the ethernet cable from the ethernet port at the top of the PCM-
2 module.
STEP 60.
Raise the TCU front panel into its normal position.
Product Improvement Note:
Upgrading to PCM-2 and updating the MCM software to “uax_0029.ace” or
higher enables the In-System Programming (ISP) feature. This allows the PCM-2 and
the MCM software to be updated through the web interface without removing any
hardware from the system.