10. Turn the power off and remove the CF card from the CF slot on PZ-VM21.
CPU card
CF Slot (CN2)
CF card
PZ-VM21 PCB
Figure 4-19 Removing the CF card
11. Replace the Main-Cover and Sub-Cover.
12. Turn the system power back on.
13. When the system has completed reloading the software, the RUN LED (D1) will flash blue.
• To confirm the new software version number, press the Navigation key on any display telephone to
view the system version number see Main Software Version Confirmation on page 4-8.
• The existing system data in the flash memory is replaced, but the customer data (stored in the RAM)
is saved.
ISSUE 4.1 (R5.1) SL1100
Hardware Manual 4-11
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