Maintenance Page 321 of 378
ITG Trunk 2.0 ISDN Signaling Link (ISL) Description, Installation and Operation
12 Click on the “Start Transmit” button to begin the ITG card softw are
upgrade process.
The software is transmitted to each card in turn and burned into the
flash ROM on the ITG card.
Monitor the status in the Transmit Control window. Confirm that the
card software is transmitted correctly to all cards. Note any error
messages, examine, and correct any problem s. Repe at card sof tware
transmission until it is completed correc tly on each ITG ca rd. The cards
continue to run the old software until they are rebooted.
13 Reboot each ITG card that received transmitted software, so that the
new software can take effect. Start the rebooting with Leader 0, then
Leader 1, and lastly the Follower cards. After all ITG cards have been
reset and have correctly rebooted, they resp ond to the MAT ITG st atus
refresh (that is, disabled: active; disabled: backup: disabled).
14 These cards should remain in the disabled state after the upgrade, so
that the technician can issue a “Reset” command from the
Maintenance menu or the Maintenance t ab in t he ITG Car d Pr opert ies
window to each card to reboot them. Or you can reset the cards by
pressing the “reset” button on the card faceplate using a pointed
object.
15 Double click each upgraded card and check the software version on
the “Configuration” tab of the Card Properties.
16 Use the LD 32 ENLC command to re-enable the ITG cards.
The software upgrade pro cedure is complete.
Replace an ITG card
If, following a reboot, the ITG card displays an “F:xx” on the LED
Maintenance Display, this indicates an unrecoverable hardware failure. The
card will not register with the Meridian 1. For a complete listing of facepla te
Maintenance Display codes, see “ITG Trunk 2.0 faceplate maintenance
display codes” on page329.