7-4 User’s Reference GuideTTTThhhheeee TTTT1111 LLLLiiiinnnneeee ccccoooonnnnffffiiiigggguuuurrrraaaattttiiiioooonnnn ssssccccrrrreeeeeeeennnnThe T1 Line Configuration screen appears.1. Select Line Encoding and press Return. From the pop-up menu, highlight the encoding your telephone ser-vice provider uses: B8Zs or AMI. The default setting is B8Zs. Press Return.2. Select Framing Mode and press Return. From the pop-up menu, highlight either ESF or D4, depending onthe framing mode that your telephone service provider advises you to use. The default setting is ESF. PressReturn.3. Select Number of DS0 Channels and enter the number of DS0 channels that you and your telephoneservice provider have determined are necessary for your T1 line. The default setting for DS0 Channels is 1(one). Press Return.Note: Each DS0 channel represents a 56k or 64k increment in bandwidth. Selecting a number less thanthe maximum specifies a fractional-T1 interface. You can have a maximum of 24 DS0 channels.4. Select First DS0 Channel and enter the number of the first active DS0 channel you will be using. Thedefault setting is 1 (one). Press Return.Note: You can change the First DS0 Channel number, which has a valid range from one to the maximumnumber minus the number of active channels. If the number of active DS0 channels is 24 (maximum), FirstDS0 Channel is hidden.If you specify a number of DS0 channels less than the maximum, a Contiguous Channels item appears. Forfractional-T1, you can specify whether the DS0 channels are contiguous or alternating by togglingContiguous Channels to Yes or No.5. Select Channel Data Rate and highlight the data rate that your service provider has designated yourchannel to connect at. The channel data rate choices are Nx56k or Nx64k. The default is Nx64k. PressReturn.T1 Line ConfigurationLine Encoding... B8ZSFraming Mode... ESFNumber of DS0 Channels: 1First DS0 Channel: 1Channel Data Rate... Nx64kData Link Encapsulation... Frame RelayTO MAIN MENU NEXT SCREENEnter Information supplied to you by your telephone company.