Arris Surfboard Model S33
DOCSIS 3.1 cable modem
P/N: SB00DAD3S33
S/N: AAU5 4223 4205 599
HFC MAC ID
AC DB 48 BC F3 A1
ERR_CONNECTION_TIMED_OUT
ERR_CONNECTION_REFUSED
https://www.surfboard.com/products/cable-modems/s33/
Amber (solid) Power onņo@ status
Amber (Y-s_) Firmware download is in progress
Green (blink) Downstream/upstream channel search (unlock status)
Green (solid) Online status in DOCSIS 3.0 mode
Blue (solid) Online status in DOCSIS 3.1 mode
Type the default LAN IP address, 192.168.100.1, in the address bar. 3. Press Enter to open the S33 Login screen.
https://superuser.com/questions/834861/unable-to-connect-to-modem-web-interface-through-router
If the S33 is connected to a router, it is recommended to disconnect the router and connect the S33 directly to a computer with an Ethernet cable.