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Upgrade Guide
Page 65
e.
The file starts to download. Confirm that the CPU card LED matrix display
shows numbers counting up.
Important note:
The count-up display indicates that packets are being received by the CPU
card. The numbers do not represent a percentage complete figure.
If the download fails, the CPU card display shows
LD Err
. This type of
failure is usually caused by the user continuing to use the PC for other
tasks while the download is occurring. The Tera Term screen will
not
indicate a failure and will continue to show a download. If this occurs:
i.
Abort the Tera Term download (press
Cancel
in the Tera Term
screen).
ii.
Reset
the CPU card (by removing the card from the matrix and
reinserting it again).
iii.
Check the cable connections, then restart the Send file download
process again.
f.
When the download is complete, the CPU card reboots. The CPU card(s) is
reset and the OK LED produces a double flash.
Note:
The zero ( 0 ) displayed indicates that although valid application code is
present, the CPU cards do not contain a configuration.
g.
Remove the upgraded CPU card and set the DIP switches to normal
running (watchdog) mode:
Figure 5-11: Tera Term: DIP switches in normal running
(watchdog) mode
h.
Repeat the above procedure for the second CPU card, if present. Reinsert
both of the upgraded CPU cards into the matrix.
i.
The OK LED shows a double flash, which indicates that valid application
code is present, but that there is no configuration in the cards.
Download a configuration file (apply changes), using EHX.
