Vtech DS4121-4 User Manual (DS4121-3 User Manual) - Page 5

• Use only the AC power adapter supplied with this telephone. • The power adapters are intended to be correctly oriented in a vertical or floor mount position. • Your telephone base comes with the desktop bracket installed. You may remove the bracket before plugging in the telephone line and power adapter if it obstructs the installation process. Installation Telephone base installation Install the telephone base as shown below. Make sure that the electrical outlet is not controlled by a wall switch. If you subscribe to high-speed internet service (Digital Subscriber Line - DSL) through your telephone lines, you must have a DSL filter between the telephone base and the telephone wall jack. The filter will prevent noise and caller ID problems caused by DSL interference. Please contact your DSL service provider for more information about DSL filters. 1. Plug the bigger power adapter into the power jack at the bottom of the telephone base and the smaller power adapters into the chargers. Route cords through slots and plug the power adapter into an electrical outlet not controlled by a wall switch. 2. Plug one end of the telephone line cord into the telephone line jack at the bottom of the telephone base. Route the telephone line cord through the slot, then plug the other end of the cord into a telephone wall jack. Telephone wall jack DSL filter (not included) required if you have DSL high-speed internet service Electrical outlet not controlled by a wall switch Telephone line cord  www.vtechphones.com