Note: When you remove the miscroSD card, you must lightly press on the installed microSD
card shutter to release it. Then carefully remove the card from the card carrier. When you
replace a microSD card, place the card in the card carrier, and push the card carrier in the
access shutter until it clicks.
Note: Data on the microSD card is encrypted by a special system password stored in the
controller base. If you are swapping in a card from a previously configured unit, you must re-
enter this same passphrase using a serial connection to the unit’s debug port.
Note: Third-party microSD cards are not supported.
USB ports and pushbutton switches
Two USB ports, two pushbutton switches, and an associated LED are located behind the controller's
front access door.
Figure 10: USB ports and switches behind the access door
Table 5: USB ports and switches
Callout Description
1 PROG - USB 2.0 to use with USB flash drive for backup
2 DEBUG - Micro-A USB for serial debug communication
3 BACKUP - Pushbutton switch to start a USB backup, or if pressed in during power
up/startup, a factory recovery image
4 SHT/DWN - Recessed switch for controlled shutdown
5 BACKUP - LED to indicate USB media present, or a backup, restore, or factory
recovery image in progress
The DEBUG port is a standard Micro-A type USB port for serial debug communications to the
controller. Use a serial terminal program (for example: PuTTY) to access the controller’s system
shell menu. The system shell menu provides access to a few basic platform settings.
The default DEBUG port settings are 115200, 8, N, 1 (baud rate, data bits, parity, stop bits).
11FX80 Supervisory Controller Installation Instructions
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