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To upgrade the XN120 system software.
It is recommended that you save the system configuration to the compact flash card before you perform
1
Remove the sub and main
covers of the XN120 main unit.
2
Insert the compact flash card
into the socket on the EXIFU
3
Power off the XN120 system
4
Set the NORMAL switch to
OFF.
With the compact flash card
inserted the system will not
perform a cold start; you will
not erase the customer
configuration.
5
Power on the XN120 main unit
6
When LED4 stops flashing
power off the XN120 main unit
7
Remove the compact flash
card
XN120 EXIFU Guide
the upgrade; see Saving the System Configuration above.
Ensure the lamp LED1on the EXIFU card comes ON, this confirms the
compact flash card is inserted correctly.
You must also power off any expansion units if they are installed.
The NORMAL switch is located on the right side of the MOH/PAGE
socket on the XN120 main unit.
The new system software will be copied from the compact flash card to
the XN120 main unit.
Lamp LED4 will flash during the upgrade.
The upgrade will take 1-2 minutes.
Compact Flash
31
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