The color of the cable is irrelevant.
At t green data cable.
Connect the black power cord to the back of your gateway and plug it into an electrical outlet.
Connect the other end to the at t broadband jack in your wall.
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Additional charges will apply for professional installation services from an at t service technician.
You would need to get this from the device manufacturer.
Used to connect to the dsl phone connection.
Wait for the at t gateway to power up.
Wi fi gateway yellow ethernet cable green data cable power cord 2 parts packing slip.
Call 800 288 2020 to schedule an appointment.
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Here s how to set up your at t connection.
Most likely black and connected to a power supply cord.
If you are speaking of a at t dsl gateway combo dsl modem and router there are two or more cables.
Connect one end of the green data cable to the green broadband port on your gateway.