ADTRAN DSU 5600 User Manual

4 DSU 5600 User Manual 61200.078L1-1Chapter 1. Introduction1SELECTERRORPTRNRDLTESTLOOPDTETESTDSU 5600CDRDTDCSRS ALM32 4 51. DTE Status LEDs2. Network Status Indicator3. Test Status/Error Indicators4. Select Push Button Switch5. Test (Start/Stop) Push Button Switch (Alternate Action)Figure 1-1DSU 5600 Front PanelRear PanelA drawing of the rear panel of the DSU 5600 is shown in Figure1-2. The 25-pin connector labeled PRIMARY EIA-232 providesthe synchronous/asynchronous DTE interface. Connection to theDDS network is made using the 8-pin modular jack (RJ-48S)labeled TELCO. The pin assignments for these connectors arelisted in the sections Network Connections and DTE Connections.All setup or configuration parameters for the DSU 5600 areselected with an eight position DIP switch that is accessible fromthe rear panel. This switch is labeled OPTIONS, and reference ismade to the options chart on the bottom of the unit. The indi-vidual options are explained in detail in the section Powering.A power cord is also shown on the rear panel of the DSU 5600.The captive power cord on the back panel provides connectionto the AC/DC power supply.