Installation
Posted Updated 
After successful installation, you can log in via browser and configure the NA502(s) gateway.
By sl4shgw 1 min read
This project is under active development.
Precondition check list
You need to check.
TFTP installation instructions
You need to attach a serial console to the unpopulated 4-pin header near the LEDs. With the front of the device facing towards you, the pinout is: GND - TXD - ? - RXD. The settings are 57600 8N1 and you should see a bunch of messages immediately after start.
- Using the terminal, select option
1. Load system code to SDRAM via TFTP.` - Put the
initramfs` OpenWrt image on your TFTP server and boot it. - You can then use
SSH` to connect to the OpenWrt running from RAM. - Transfer the OpenWrt
squashfs` image to the device (for instance to /tmp/openwrt.bin) - Run
sysupgrade -n /tmp/openwrt.bin` to install the image to your device.
This post is licensed under CC BY 4.0 by the author.