I can see your NBN NTD is ( black box ARRIS) down. Can you see its powered? should be four lights on
please here is there setup guide for your NBN
Hmmm. Moderator is talking about "NBN NTD is ( black box ARRIS) " but you're saying there's nothing there. The Arris CM8200 connects by coaxial cable to a special outlet. The router connects to it using an ethernet cable.
You must be on FTTN; router plugs into wall socket.
Have to check that your TPG username and password are set in the router.
The article has the steps to check this.
How to set up your TP-Link VR1600v modem in the section For NBN FTTN & NBN FTTB
The phone line is connected to the DSL port.
I entered the username and password but still can't connect
However when i went to check the pppoe_ptm_2_0_d interface. the status saids DSL disabled.