2-28 Reference GuideT1 and DDS models only 10. The Interface Group field reflects the active port selection: theinternal CSU for T1 or DDS, or SA port for SA, if backup isenabled. See “CSU Backup” on page 2-55 for moreinformation.Models with Switchedcircuits only11. Select Telco Options and press Return. The Telco Optionsscreen appears. The Telco Options screen contains items thatallow you to control the calls made on the WAN line with thisparticular connection profile.Telco OptionsInitiate Data Service... 64 kb/secDial... Dial In/OutNumber to Dial:Alternate Number to Dial:Dial On Demand: YesIdle Timeout (seconds): 300CNA Validation Number:Callback: NoIn this Screen you configure options for the ways you will establish alink.ISDN Switched circuitmodels onlyn Select Initiate Data Service and choose the correct ISDNbandwidth to use with this connection profile. In North America,users are not guaranteed of having a 64k connection to theirdestination, but only when 64k is not available from point A topoint B should 56k be selected. The Router automatically fallsback to 56k when 64k service is not available. It is advised toselect 56k when you know that the 64k service will fail. Youmay also select Speech if your line is provisioned for thisfeature and the call is within your local ISDN region. SelectingSpeech may save money, but it is not guaranteed to workoutside of your switch.
