Chapter 8. Quick Setup70 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1DLeased 64KWhen the ISU 2x64 is configured for Leased 64K service, the fol-lowing parameters are automatically preset:Service type ................................................................Leased LineNetwork clock source ...........................................................SlaveChannel rate ............................................................................. 64KData Protocol..........................................................Clear ChannelDDS loopbacks enabled...........................................................YesDTE mode................................................................. SynchronousDTE connector bit rate ......................................................64 kbpsDTE flow control ................................................................... noneRTS line .........................................................................1 mS delayCTS line ..........................................................................Forced OnTransmit data clock ....................................Normal clock sourceLdm 64K MasterWhen the ISU 2x64 is configured for a point-to-point application,such as a Limited Distance Modem arrangement, the Ldm 64KMaster option automatically presets the following parameters:Service type ................................................................Leased LineNetwork clock source ........................................................MasterChannel rate ............................................................................. 64KData Protocol..........................................................Clear ChannelDDS loopbacks enabled...........................................................YesDTE mode................................................................. SynchronousDTE connector bit rate ......................................................64 kbpsDTE flow control ................................................................... noneRTS line .........................................................................1 mS delayCTS line ..........................................................................Forced OnTransmit data clock ....................................Normal clock source