106 CHAPTER 2: INSTALLING SYSTEM HARDWARE COMPONENTScontinues to provide dial tone and telephone service. Do not count thisport as a line port.Connecting DigitalLine CardsYou can install cards with the power on to the chassis. To connect andconfigure the digital line cards:1 Remove one of the blank faceplates from the chassis.2 Install the card securely.Verify that the edges of the card ride in the chassis guide slots, and thenslide the card in until you feel slight resistance. Press firmly on both sidesof the front of the card until you feel it seat in the connector, and thentighten the two knurled knobs.If you cannot seat the card with light pressure, remove it and check forobstructions and alignment problems.3 Wait at least 3 minutes for the card to initialize.4 Use the Auto Discover feature to configure the digital line card. The AutoDiscover feature finds each port on each digital line card and assigns portextensions.Use the Auto Discover feature to configure telephones and analog linecards before you enable Auto Discover for digital line cards. For moreinformation about the Auto Discover feature, see “Using Auto Discoverfor Initial System Configuration” on page 111.Connecting AnalogTerminal CardsYou can install cards with the power on to the chassis. To connect andconfigure analog terminal cards:1 Remove one of the blank faceplates from the chassis.2 Install the analog terminal card securely.Verify that the edges of the card ride in the chassis guide slots, and thenslide the card in until you feel slight resistance. Press firmly on both sidesof the front of the card until you feel that it is seated in the connector,and then tighten the knurled knobs.If you cannot seat the card with light pressure, remove it and check forobstructions.3 Wait at least 2 minutes for the card to initialize.4 Use the Auto Discover feature to configure the analog terminal card. Formore information about the Auto Discover feature, see “UsingAuto Discover for Initial System Configuration” on page 111.