A few weeks ago, I had Gigabit service installed, but the ONT box had to be passed through my window, and it's sitting in my living room with all the wires. I'm assuming they still can't come in my house, so can I run the ONT box into my basement?
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As long as you don't have to disconnect anything on the Verizon "side" of the ONT (i.e. only your coax, ethernet, power, and if appropriate phone cables), could you just "pass" it back out the window and "pass" it back in the basement window and then reconnect all the "user" side wires?
If you have to disconnect stuff from the Verizon side of the connection, I wouldn't go there.