This has been tested on my Arris SB8200 firmware AB01.01.009.51_080720_183.0A.NSH Been wanting to scrape my Arris SB8200 modem signals for monitoring over time, new firmware requires a login to access ...
I've added arris_surfboard_swinfo.chart.py to record the uptime and sofware revision of the modem in a seperate set of graphs (I didn't spend the time to get it into the same set of graphs) ...