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Connect the end with the longer “flat” portion to the phone. Route the handset cable in the channel provided. 6. If not using PoE, plug the power adapter into an AC outlet. Connect the power jack of the power adapter to the power jack in the base of the phone. 6 7. All the lighted buttons on the phone should now briefly light. If not, please verify that the phone has power. 7.1 By default, the 2757 will use Dynamic Host Configuration Protocol (DHCP) to obtain an IP address automatically. You wil