Operation procedures and tests Page 17 of 86Meridian data features Operations and testsProcedure 3Establishing simultaneous voice and data calls as viewed from an originating station(Part 1 of 2)Step Action Verification CommentStart condition,Data Station A.POWER lamp on. Data station idle.Handset on-hook.Station A = originating station.Station B = called station.1 Lift handset atData Station A.PDN lamp on.DIAL tone on handset.2 Dial first digit ofData Station BPDN and VoiceDirectoryNumber.DIAL tone off. Dial tone removed.3 Dial remainingdigits of DataStation B PDNand VFDN.RINGBACK on handset.4 Data Station Banswers.RINGBACK tone off. RINGBACK removed. Two-wayconversation.5 Press DDN key atData Station A.DDN and DATA SHIFT lampson.PDN lamp flashes.DIAL tone on handset.PDN call automatically placed onhold.Data station shifts to data mode.6 Dial first digit ofData Station BDDN.DIAL tone off. When equipped, AMP proceduresmay be used instead of steps 6and 7 (see Procedure 2, steps11–14).7 Dial remainingdigits of DataStation B DDN.RINGBACK tone on handset.8 Data Station BDDN answers.DATA SHIFT lamp off.CONNECT lamp on.RINGBACK off.CONNECT BEEP onhandset.PDN call is still on hold.