more details on how being on the same/different circuit affects setting up this power network
If powerline unit 1 connected to your main modem/router is on circuit A and the room you plug powerline unit 2 is on the same circuit, then yay! you get internets in that room. If the room is on circuit B then absolutely nothing happens.
How do I deal with that
1. Plug in powerline unit 2 in a room on circuit A, connect to that via ethernet cable a wireless router which then provides room on circuit B with a wireless internet connection.
2. Plug powerline unit 2 into an outlet on circuit A closest to an outlet on circuit B. Plug in powerline unit 3 into circuit B outlet and connect both units with ethernet cable. You've now bridged circuits A and B, where powerline unit 3 is a jumping off point for other units on circuit B.
how you solutionized everything
The primary powerline system on circuit A and a bridge to circuit B covers the middle parts of the house, Airport Extreme connected to circuit B covers the east side of the house which is on circuit C, and another Airport Extreme covers the west side of the house which is on circuit D. So the whole house - two storeys and an attic - is covered. I've never taken a laptop into the attic but I'm dead sure that between the two Airports that space is covered : )
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more details on how being on the same/different circuit affects setting up this power network
If powerline unit 1 connected to your main modem/router is on circuit A and the room you plug powerline unit 2 is on the same circuit, then yay! you get internets in that room. If the room is on circuit B then absolutely nothing happens.
How do I deal with that
1. Plug in powerline unit 2 in a room on circuit A, connect to that via ethernet cable a wireless router which then provides room on circuit B with a wireless internet connection.
2. Plug powerline unit 2 into an outlet on circuit A closest to an outlet on circuit B. Plug in powerline unit 3 into circuit B outlet and connect both units with ethernet cable. You've now bridged circuits A and B, where powerline unit 3 is a jumping off point for other units on circuit B.
how you solutionized everything
The primary powerline system on circuit A and a bridge to circuit B covers the middle parts of the house, Airport Extreme connected to circuit B covers the east side of the house which is on circuit C, and another Airport Extreme covers the west side of the house which is on circuit D. So the whole house - two storeys and an attic - is covered. I've never taken a laptop into the attic but I'm dead sure that between the two Airports that space is covered : )