NEC EXIFU-A1 Installation, Configuration And Operation page 32

Compact Flash
8 Set the NORMAL switch to
ON
! If you do not set the
NORMAL switch to ON you
will erase the customer
configuration when you power
on the system
9 Power on the XN120 system
10 Confirm the XN120 system
software has upgraded by
pressing OPAC 3 at any
display phone.
If the Upgrade fails.
Check that the compact flash card contains all the files from the XN120 Technical CD.
Check the compact flash is formatted in FAT. This is shown in the properties when you insert the card into your
PC.
Try another compact flash card.
32
The NORMAL switch is located on the right side of the MOH/PAGE
socket on the XN120 main unit.
XN120 EXIFU Guide