AT&T 3550, 3551 - page 102

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A-33550-A2-GB20-10 February 1995

Contents

Main Page COMSPHERE Model 3550 and 3551 Data Service Units Important Safety Instructions Page Government Requirements Notice to Users of the Digital Data Service Page Table of Contents Preface 1. About Your DSU 2. Installing the Model 3550 DSU 3. Installing the Model 3551 DSU Page List of Figures List of Tables Page Page Preface About This Guide How to Use This Guide Related Documents Ordering Information Reference Documents About Your DSU Standard Features Optional Features V.32 DBM 2-Port TDM/Flex Upgrades Available Technical Specifications Table 1-1 General Technical Specifications Table 1-1 General Technical Specifications stop start Table 1-2 DSU Technical Specifications Table 1-3 V.32 DBM Technical Specifications any Equipment Warranty and Support Equipment Service Out of Warranty Enhanced Support Services Page Installing the Model 3550 DSU Before You Begin How to Change Hardware Straps Page Where to Place the DSU Installing the DSU Power-Up Routine Connecting to the Network Connecting to the NMS Connecting to the Dial (or PSTN) Network Connecting to the DDS (or LADS) Network Addressing the Unit odd- numbered . even-numbered addresses Tributary DSU Addressing Connecting the DSU to a DTE Connecting Port 2 Verifying Operation and Testing Connections Verifying Network Addresses Verifying the Network Verifying DBM Operation Verifying TDM/Flex Operation Other Tests Installing the Model 3551 DSU Before You Begin How to Change Hardware Straps Page Table 3-2 Model 3551 DSU Jumper Straps Strap Designation State of Jumper Strap Function Installing the DSU Page Page Power-Up Routine Connecting to the Network Connecting to the NMS Connecting to the Dial (or PSTN) Network Connecting to the DDS (or LADS) Network Connecting the DSU to a DTE Addressing the Unit odd- numbered addresses even-numbered addresses . Verifying Operation and Testing Connections To Connect the SDCP to a DSU Verifying Network Addresses, the Network, and DBM Operation Other Tests Operating the DSU DCP and SDCP Operation SDCP DCP Keypad Menu Structure Top-Level Menu Status Branch Health and Status Device Health and Status Expanded Health and Status Subnetwork Health and Status DTE Status Circuit Quality Identity Backup Branch Dial Backup Operation Configuring the Unit for Dial Backup Understanding Operating Modes Manual Backup Placing a Backup Call Manual DDS Restoration Manual Dial Backup Termination Test Branch Abort Device Test Loopback Local Loopback DTE Loopback Digital Loopback Remote Digital Loopback Bilateral Loopback Digital Test End-to-End Test Bit Error Rate Test Lamp Test Configuration Branch Selecting Menu Mode Selecting an Application Configuration Full Mode disabled Full Mode enabled Configuration Options Reconfiguring a DSU Port Reconfiguring a TDM/Flex Port Poll List Displaying the Poll List Changing the Poll List Acquiring the Poll List Directory Entering a Telephone Number Other valid characters Phone Network Address Assigning an Address Control Branch Transmitter Control LEDs External Leads Displaying External Leads ? Reporting External Lead Changes to NMS Messages Branch Configuring the Unit Using the DCP to Set Configuration Options Editing Configuration Values Saving Configuration Options Example Using the DCP Page Configuration Option Tables Understanding the Tables Table 5-1 DSU Configuration Options Transmit Elastic Store Message Clamping Transmit Clock Source Table 5-1 DSU Configuration Options V.54 Loopback 19.2 kbps Power Level PrtSp(Kbps Table 5-2 Diagnostic (DSU) Configuration Options Diagnostic Type In-band Secondary Channel Diagnostic Transport Speed in bps Table 5-3 Diagnostic (DBM) Configuration Options Diagnostic Type In-band Secondary Channel Diagnostic Transport Speed in bps Table 5-4 Diagnostic (External DBU) Configuration Options Table 5-5 Diagnostic (General) Configuration Options Table 5-5 Diagnostic (General) Configuration Options Multipoint Symmetrical Port Packet Delay Page Single Rate Automatic Answer PrtSp(Kbps Receive Elastic Store Transmit Elastic Store Page V.13 Signaling tributary incoming Data Terminal Ready Call Control Dial Tone Test Table 5-7 External DBU Configuration Options DTE Port Request-to-Send Control Antistreaming Auto Backup Tries Time-Out Line Signal Detect Lead Tries Time-out Respond to Remote Digital Loopback Circuit Assurance Data Set Ready On in Test Local Loopback by DTE Remote Digital Loopback by DTE Ext Leads Configuration Change Notification by External Leads External Leads Page Table 5-9 Backup Configuration Options Table 5-9 Backup Configuration Options Table 5-10 MUX (Setup) Configuration Options TDM/Flex Function Asynchronous-to-Synchronous Conversion DTE Port Port Control 1800 Select the rate of the asynchronous port. to 150 Page Elastic Store Request-To-Send to Clear-To-Send Delay Data Set Ready On in Test Data Set Ready Forced On Disab Table 5-12 Port Speed (DSU) Configuration Options Table 5-13 Port Speed (DBM) Configuration Options Table 5-14 Port Speed (External DBU) Configuration Options Page A DSU Menu Menu Structure Top-Level Menu Page Page Local/Remote Menu Subbranches System Administrator B Configuration Worksheets Instructions Model 3550 or 3551 DSU Configuration Worksheet (1 of 2) (Full Menu Mode: Enabled) Model 3550 or 3551 DSU Configuration Worksheet (2 of 2) (Full Menu Mode: Enabled) Model 3550 or 3551 DSU Configuration Worksheet (1 of 2) (Full Menu Mode: Disabled) Model 3550 or 3551 DSU Configuration Worksheet (2 of 2) (Full Menu Mode: Disabled) Page Status Indicators and Control Panel Messages C Status Indicators Table C-1 DSU Status Indicators Label Color Description (circuit designations) or The SDCP addresses one DSU at a time. Table C-2 SDCP Status Indicators Label Color Description Control Panel Messages Format Health and Status Messages Table C-3 (2 of 3) Device Health and Status Messages alarm test alarm Table C-3 (3 of 3) Device Health and Status Messages Table C-4 Expanded Health and Status Messages reason n Table C-5 Subnetwork Health and Status Messages Progress Messages Error Messages Table C-9 Dial Backup Error Messages Message Notify NMS1Condition Action (1 of 3) Message Condition Action greater than less than (2 of 3) Message ActionCondition must not at least (3 of 3) Message ActionCondition not allowed Page D Pin Assignments Page Page Page Page Page Page Page Page Page E Application Configurations Point-to-Point Applications Page Multipoint Applications Page F Equipment List Equipment Feature/Part No. G = Factory Install. F = Field Install. Comcode Equipment Comcode Feature/Part No. G = Factory Install. F = Field Install. COMSPHERE 3000 Series Carrier, Installation Manual COMSPHERE 48 Vdc Central Office Power Unit, Installation Manual COMSPHERE 3550 Series Data Service Units, Models 3550 and 3551, Users Guide Equipment* Part Number * For use by AT&T Paradyne Field Service personnel. Equipment* Part Number COMSPHERE 3000 Series Carrier, Installation Manual * For use by AT&T Paradyne Field Service personnel. COMSPHERE 48 Vdc Central Office Power Unit, Installation Manual COMSPHERE 3550 Series Data Service Units, Models 3550 and 3551, Users Guide Glossary Page Page Page Page Page Index A B C D E F G K H I L M N O P R S T U V W