User ManualTable of ContentsWarranty, Sales, Service, and Training Information2Product Documentation on the World Wide Web3Installation3Changing the Model 3550 DSU Hardware Straps4Installing the Model 3550 DSU6Connecting the Model 3550 DSU to the NMS7Connecting the Model 3550 DSU to the Dial Network (PSTN)8Connecting the Model 3550 DSU to the DDS (or LADS) Network9Connecting the Model 3550 DSU to a DTE10Connecting the Model 3550 DSU’s Port 211Changing the Model 3551 DSU Hardware Straps11Installing the Model 3551 DSU14Connecting the Model 3551 DSU to the NMS17Connecting the Model 3551 DSU to the Dial Network (PSTN)17Connecting the Model 3551 DSU to the DDS (or LADS) Network17Connecting the Model 3551 DSU to a DTE17To Connect the SDCP to a DSU18Addressing the Unit19Power-Up Routine20Configuration Options21Important Safety Instructions25Notices26Government Requirements26Notice to Users of the Digital Data Service26Size: 286 KBPages: 27Language: EnglishOpen manual
User ManualTable of ContentsTable of Contents7List of Figures9List of Tables10Warranty, Sales, and Service Information2Preface12Important Safety Instructions3About Your DSU14Installing the Model 3550 DSU22Installing the Model 3551 DSU34Operating the DSU46Configuring the Unit67DSU Menu96Configuration Worksheets100Status Indicators and Control Panel Messages105Pin Assignments118Application Configurations127Equipment List130Glossary134Index140Size: 1.01 MBPages: 148Language: EnglishOpen manual
