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Root the stick

Connect the SFP adapter to the TTL adapter according to the following diagram:

USB TTL (UART) Adapter wire colour in picture SFP 20pins Molex connector
3.3V red 3.3 (pin #15 and #16)
TX green RX (pin #2)
RX blue TX (pin #7)
GND black GND (pin #14)
Example of how the molex SFP - TTL connection should look like
Example of how the molex SFP - TTL connection should look like
Example of how the SFP - molex SFP connection should look like
Example of how the SFP - molex SFP connection should look like

Connect the TTL adapter to the computer, once done press the following button. A window will open that will execute the root.

Connect to the stick via SSH

After this is done, reboot the stick, after connecting it to a router via an ethernet mediaconverter or directly plugging it in an SFP port, with the portā€™s IP set to any IP of the 192.168.1.0/24 subnet (the stick has the IP 192.168.1.10)

Run the terminal and login to the stick using ssh:

ssh root@192.168.1.10

The password is admin123.

TX Fault / Serial

The stick stays in a perpetual ā€œTX Faultā€ state since the same SFP pin is used for both serial and TX Fault signaling. If that causes you issues (normally it shouldnā€™t), you can issue the commands below to disable it. Note that it will disable both the TX Fault signal and Serial on the stick after boot.

fw_setenv asc0 1
fw_setenv preboot "gpio set 3;gpio input 100;gpio input 105;gpio input 106;gpio input 107;gpio input 108"

In case you need to re-enable it, issue the following commands from the bootloader (FALCON)

FALCON => setenv asc0 0
FALCON => saveenv

Miscellaneous Links