•
While commissioning a brand new JACE, you make an error entering the default platform
daemon credentials or passphrase. The result is that you cannot commission the controller. In
this scenario, your only option is to recover the factory defaults.
•
When decommissioning the JACE, a best practice to follow is recovering the factory defaults in
order to wipe all of the platform and station data in the controller.
The figure with numbered call-outs, shown here, indicates the position of USB ports and switches
behind the access door.
1
PROG
USB 2.0 for use with USB Flash (thumb)
drive
2
DEBUG
Micro-A USB for serial debug
communications
3
BACKUP
Pushbutton switch to start a USB backup, or
if held in during power up/boot up, initiates
a factory recovery image
4
SHT/DWN
Recessed pushbutton switch for initiating a
controlled shutdown
5
BACKUP
LED to indicate USB media present, or a
backup, restore, or factory recovery image
in progress
NOTE: In Niagara 4.7U1 and later, the presence of a USB device inserted in the USB backup/restore
port prevents you from accidentally launching the factory defaults recovery process while attempting
to restore a backup. If a USB device, of any type, is inserted in the backup/restore port, then recovery
is skipped. Consequently, when factory defaults recovery is desired, no USB device can be inserted in
the USB port.
NOTE: For any JACE-8000 that is converted to run NiagaraAX, the USB Backup/Restore function is not
supported and USB Connector 1 (for thumb drive) is disabled. USB Connector 2 for serial shell
connections is still enabled in the JACE-8000 running NiagaraAX. And although holding down the
13
USB backup and restore
