Chapter 5. Configuration Menu5-6 ESU LT User Manual 61200410L1-1DTE TimingThe DTE is the source of timing. The ESU LT uses thincoming DTE clock to determine the transmission timing.This is typically used in applications such as limited distanceline drivers, where it is necessary to have the DTE as theprimary clock source. See Figure 5-5.Figure 5-5. DTE Clock SourceUnitThe U NIT S UBMENU is used to change control port and alarmoptions.Follow standard operating procedure to access the U NITM ENU items. See Figure 5-6.Figure 5-6. Configuration Submenu