Technicolor TG587n v3 Setup And User Manual page 26

3 MANUAL INSTALLATION
2 Plug one end of the cable in the grey DSL port on the back of your Technicolor Gateway.
3 Plug the other end of the cable into the DSL/MODEM output port of your filter/splitter.
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DSL
DMS-CTC-20101206-0017 v1.0