ADTRAN DSU 5600 User Manual

2 DSU 5600 User Manual 61200.078L1-1Chapter 1. IntroductionPHYSICAL DESCRIPTIONThe DSU 5600 is a stand alone unit designed to be used either ona desktop or mounted on a wall. The physical measurements ofthe DSU 5600 are:Length = 8.32 inchesWidth = 6.50 inchesHeight = 1.56 inchesWeight = 1.50 poundsFront PanelAs shown in Figure 1-1, the front panel of the DSU 5600 containseleven LED indicators that display DTE interface, network, andtest status. These indicators are defined in the following sectionLED Identification.LED IdentificationDTE Status (Green)INDICATOR DEFINITION SOURCERS Request To Send DTECS Clear To Send DSUTD Transmit Data DTERD Receive Data DSUCD Carrier Detect DSUThe active state for the status indicators (RS, CS, and CD) is On; theOn state for the data indicators (TD and RD) represents a SPACEcondition.Network Status (Red)ALM On indicates a problem on the local loop or withinthe DDS network.Off indicates a normal loop and network conditions.