i2021 ISDN Teleset8Fig. 6: Terminating Resistor Settings for Farthest TelesetIn the following application, the NT1 is equal in distance to bothi2021 phones. The Terminating Resistors are set to “On” at one ofthe phones and at the NT1.Fig. 7: Terminating Resistor Settings for Equal Distance TelesetsLine ConfigurationTo ensure the proper operation of your Teleset, several operatingparameters must be met. This information can be provided by yoursystem administrator or service provider.n SERVICE PROFILE IDENTIFIER (SPID)A service profile for your Teleset that is recognized by the switch.Some switches support AutoSPID. If your switch supports AutoSPID,
