Table of Contents
Troubleshooting
Subscribe to Our Youtube Channel
Related Manuals for Paradyne 7510-A2-GB20-00 727
Summary of Contents for Paradyne 7510-A2-GB20-00 727
- Page 1 AREA CODE CHANGE Please note that the area code for Paradyne Corporation in Largo, Florida has changed from 813 to 727. For any Paradyne telephone number that appears in this manual with an 813 area code, dial 727 instead.
- Page 2 MODEL 7510 DSU USER’S GUIDE Document No. 7510-A2-GB20-00 March 1997...
- Page 3 Paradyne Corporation, 8545 126th Avenue North, P.O. Box 2826, Largo, Florida 33779-2826. Paradyne Corporation makes no representation or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for a particular purpose. Further, Paradyne Corporation reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of Paradyne Corporation to notify any person of such revision or changes.
-
Page 4: Table Of Contents
Contents About This Guide Document Purpose and Intended Audience Document Summary Product-Related Documents About the DSU Model 7510 DSU Features Typical DSU Configurations User Interface Types Rear Panel Interface Connections Using the Asynchronous Terminal Interface Connecting to the Terminal Port Initiating an ATI Session Screen Format Types What Affects Screen Displays... - Page 5 Contents Monitoring the DSU What to Monitor Viewing System and Test Status Health and Status Self-Test Results Test Status Messages Viewing Network Interface Status Viewing Network Performance Statistics Monitoring the LEDs System LEDs Network LEDs Port LEDs Testing Accessing the Test Menu Running Network Tests CSU or External Network Loopback DSU or Internal Network Loopback...
- Page 6 Configuration Option Tables Overview System Options Menu Network Interface Options Menu Data Port Options Menu Terminal Port Options Worksheets Overview Configuration Worksheets Cables and Pin Assignments Overview Terminal Port EIA-232 Connector V.35 User Data Port Connector Standard EIA-232-D Crossover Cable LAN Adapter Converter and Cable Modular RJ48S DDS Network Interface Cable Technical Specifications...
-
Page 7: About This Guide
About This Guide Document Purpose and Intended Audience This guide contains information needed to set up, configure, and operate the Model 7510 DSU and is intended for installers and operators. Document Summary Section Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Appendix A... -
Page 8: Product-Related Documents
About This Guide Section Glossary Index Product-Related Documents Document Number 7510-A2-GN10 To order additional product documentation, refer to Information Description Defines acronyms and terms used in this document. Lists key terms, acronyms, concepts, and sections in alphabetical order. Document Title Model 7510 DSU Startup Instructions on page A at the beginning of this User’s Guide. -
Page 9: About The Dsu
About the DSU Model 7510 DSU Features The DSU provides an interface between the customer premises equipment (CPE) and a Digital Data Service (DDS) network. The DSU’s features and capabilities include: Easy Installation. Connects to your equipment using standard connectors and cables. -
Page 10: Typical Dsu Configurations
About the DSU Typical DSU Configurations The following illustration shows a typical LAN/WAN interconnection application for the DSU. The routers connected to the DSU at each location provide the LAN interconnection. Router The DSU can also be used in a Frame Relay network. Router Two DSUs can be connected back-to-back to act as Local Area Data Sets. -
Page 11: User Interfaces
User Interfaces There are two types of user interfaces for the DSU: Menu-driven Asynchronous Terminal Interface (ATI) screens (see Asynchronous Terminal Interface Front panel LED status indicators (see 56/64K Rear Panel Interfaces The following illustration shows the physical interfaces of the DSU. Information about the installation of the DSU is contained in the Model 7510 DSU Startup Instructions . -
Page 12: Using The Asynchronous Terminal Interface
Using the Asynchronous Terminal Interface Connecting to the Terminal Port The device used for the Asynchronous Terminal Interface (ATI) can be a VT100-compatible async terminal, or a PC running emulation software. The terminal or PC can be connected to the Terminal port directly, or through an external modem. -
Page 13: Initiating An Ati Session
Using the Asynchronous Terminal Interface Initiating an ATI Session The user interface is blank until activated. Press Return to activate the user interface. The first time you do this the Main Menu screen is displayed. main Device Name: Î –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Ctrl-a to access these functions Entry to all of the DSU’s tasks begins at the Main Menu screen, which has four menus or branches. -
Page 14: Screen Format Types
Status • System and Test Status • Network Interface Status • Network Performance Statistics • Display LEDs • Identity Screen Format Types Three types of screen formats are available on the ATI. Use the screen format . . . To . . . Menu selection Input Display... -
Page 15: Screen Work Areas
Using the Asynchronous Terminal Interface Screen Work Areas There are two user work areas: Screen area – This is the area above the dotted line that provides the menu path, menus, and input fields. The menu path appears as the first line on the screen. In this manual, the menu path is presented as a menu selection sequence with the names of the screens: Main Menu... -
Page 16: Navigating The Screens
Navigating the Screens You can navigate the screens by: Using keyboard keys Using screen function keys Switching between the two screen work areas Keyboard Keys Use the following keyboard keys to navigate within the screen. To . . . Move cursor between the screen area and the screen function keys area below the dotted line at the bottom of the screen Return to the previous screen Move cursor to the next field on the screen... -
Page 17: Screen Function Keys
Using the Asynchronous Terminal Interface The current setting or value appears to the right of the field name. The valid choices for the field are displayed in the screen function area. You can enter information into a selected field by typing in the first letter or letters of a field value or command. -
Page 18: Switching To The Screen Function Key Area
Switching to the Screen Function Key Area Selecting Ctrl-a allows you to switch between the two screen work areas to perform all screen functions. Procedure To access the screen function area below the dotted line: 1. Press Ctrl-a to switch from the screen area to the screen function key area below the dotted line. -
Page 19: Ending An Ati Session
Using the Asynchronous Terminal Interface Ending an ATI Session Use the Exit function key from any screen to terminate the session. Procedure To end an ATI session: 1. Press Ctrl-a to go to the screen function key area below the dotted line. 2. -
Page 20: Customizing The Dsu
Customizing the DSU Identifying the Device and System Use the Device Name screen to determine the name that will be displayed at the top of all ATI screens, and system information that will be displayed on the Identity screen. To access the Device Name screen, follow this menu selection sequence: Main Menu main/control/device name... -
Page 21: Saving Configuration Options
Customizing the DSU Procedure To enter Device Name screen information: 1. Position the cursor in the Device Name field. Enter a name unique in your system to identify the unit. The maximum length of Device Name is 20 characters. 2. Position the cursor in the System Name field. Enter a name unique in your network to identify the system. -
Page 22: Configuring The Dsu
Configuring the DSU Configuration option settings determine how the DSU operates. Use the DSU’s Configuration branch to display or change configuration option settings. Configuration Option Areas The DSU is shipped with factory settings in the Default Factory configuration area. You can find default information by: Referring to Appendix B. -
Page 23: Monitoring The Dsu
Monitoring the DSU What to Monitor This chapter presents information on how to access and monitor DSU status and performance statistics on the DDS network. You can monitor DSU operations by viewing: System and Test Status screen Highest priority Health and Status message on the last line of all screens Network Interface Status screen Network Performance Statistics screen LEDs on the ATI Status screen or the DSU’s front panel... -
Page 24: Viewing System And Test Status
Monitoring the DSU Viewing System and Test Status To view System and Test Status information, follow this menu selection sequence: Main Menu The System and Test Status screen has three sections: Health and Status – Displays messages in priority order (highest to lowest). Refer to Self-Test Results –... -
Page 25: Health And Status
Health and Status The following messages appear in the first column of the System and Test Status screen. The highest priority Health and Status message also appears on all ATI screens on the bottom right. Table 4-2. Health and Status Messages (1 of 2) Message Cross Pair Detection... -
Page 26: Self-Test Results
Monitoring the DSU Table 4-2. Health and Status Messages (2 of 2) Message Device Fail yyyyyyyy DSU Operational Self-Test Results The results of the last power-up or reset self-test appear in the middle column of the System and Test Status screen. Table 4-3. -
Page 27: Test Status Messages
Test Status Messages Test Status Messages of the System and Test Status screen. Table 4-4. Test Status Messages Test Status Message No Test Active CSU Loopback Active Network-init. CSU LB Active DSU Loopback Active Network-init. DSU LB Active V.54-initiated DSU LB Active Local Loopback Active Sending 511 on Port... -
Page 28: Viewing Network Interface Status
Monitoring the DSU Viewing Network Interface Status The network interface status fields are read-only: Line Rate (Kbps). If the DSU is connected to an operating line and the Line Rate (Kbps) shows Autobaud and does not change to a line rate within about 15 seconds, Line Rate (Kbps) may have to be reconfigured manually. -
Page 29: Viewing Network Performance Statistics
Viewing Network Performance Statistics Performance statistics for the network interface are available to: Monitor the current status of the network operations. View the DSU’s performance statistics, which: — Assist you in determining the duration of specific conditions. — Provide a historical context for problem detection and analysis. To view the Network Performance Statistics, follow this menu selection sequence: Main Menu main/status/performance... -
Page 30: Monitoring The Leds
Monitoring the DSU Monitoring the LEDs The status of DSU LEDs can be viewed on the Display LEDs Status screen. The 12 LEDs are organized into three groups: System LEDs display the status of the unit Network LEDs display the status of the network interface Port LEDs display the activity on the user data (DTE) port To view the LED status screen, follow this menu selection sequence: Main Menu... -
Page 31: System Leds
System LEDs ON – DSU is operational. OFF – DSU is performing a power-up self-test, has detected a system 7510-A2-GB20-00 failure, or there is no power. ALARM: ON – DSU has detected an alarm condition locally or from the network. Refer to the Troubleshooting Chapter 6. -
Page 32: Network Leds
Monitoring the DSU Network LEDs 4-10 DM – Data Mode: ON – DSU (DDS network interface) is sending or receiving data, or is in DMI condition (all 1s being received). OFF – DDS network interface is receiving CMI codes. OOS – Out of Service: ON –... -
Page 33: Port Leds
Port LEDs TXD – Transmitted Data: – Receiving all 0s from the DTE. – Receiving all 1s from the DTE. Blinking – User data is being transferred. RXD – Received Data: Blinking – User data is being transferred. 7510-A2-GB20-00 – Sending all 0s to the DTE. –... -
Page 34: Testing
Testing Accessing the Test Menu From the Test menu, you can run network tests, data port tests, and a lamp test for the front panel LEDs. To access the Test menu, follow this menu selection sequence: Main Menu Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î... - Page 35 Testing Loopbacks can be started from a variety of points in the network, as shown in Table 5-1. Table 5-1. Device Messages Loopback Type Bilateral Loopback CSU Loopback DSU Loopback (Digital) Local Loopback Network-initiated 56 kbps DSU Loopback (Non- latching loopback) Network-initiated 64 kbps CC DSU Loopback...
-
Page 36: Running Network Tests
Running Network Tests Network tests require the participation of your network service provider. To access the Network Tests screen, follow this menu selection sequence: Main Menu Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î... -
Page 37: Csu Or External Network Loopback
Testing CSU or External Network Loopback CSU loopback is an external loopback that is located as closely as possible to the network interface. Procedure To run a CSU loopback: 1. Position the cursor at the Start command next to CSU Loopback on the Network Tests screen. -
Page 38: Dsu Or Internal Network Loopback
DSU or Internal Network Loopback DSU loopback is an internal loopback that is located as closely as possible to the customer interface serving the DTE. Procedure To run a DSU loopback: 1. Position the cursor at the Start command next to DSU Loopback on the Network Tests screen. -
Page 39: 511 Test Pattern For The Network
Testing 511 Test Pattern for the Network This test sends or monitors the 511 test pattern over the network interface. Procedure To run a Send 511 test: 1. Position the cursor at the Start command next to Send 511 on the Network Tests screen. -
Page 40: Running Data Port Tests
Running Data Port Tests For an example of the fields on a test menu screen, refer to Tests . To access the Data Port Tests screen, follow this menu selection sequence: Main Menu Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î main/test/port Î... -
Page 41: Local Loopback
Testing Local Loopback Local Loopback loops the user data back to the DTE. This loopback is located as closely as possible to the User Data Port (DTE) interface. Procedure To run a local loopback: 1. Position the cursor at the Start command next to Local Loopback on the Data Port Tests screen. -
Page 42: Running The Lamp Test
Procedure To run a Monitor 511 test: 1. Position the cursor at the Start command next to Monitor 511 on the Data Port Tests screen. 2. If desired, use Ctrl-a to switch to the screen function key area and use the virtual function key r or R (ResetMon) to clear the error counter to zero. -
Page 43: Ending An Active Test
Testing Ending an Active Test A test initiated by the user can be ended by the user. A Test Timeout option is available to automatically terminate a user-initiated Loopback or Pattern test after it has been running a specified period of time. Refer to Test Timeout does not pertain to tests commanded by the: —... -
Page 44: Messages And Troubleshooting
Messages and Troubleshooting Messages and Troubleshooting There are many messages available to assess the status of the device and contribute to problem resolutions. Refer to the following sections: Responding to Device Messages Troubleshooting Responding to Device Messages Device Messages messages area at the bottom of the ATI screens. Table 6-1. - Page 45 Messages and Troubleshooting Table 6-1. Device Messages (2 of 2) Device Message Invalid Test Combination Please Wait Test Active What Message Indicates What To Do A loopback or 511 pattern Wait until other test ends and test was in progress when message clears.
-
Page 46: Troubleshooting
Troubleshooting This DSU is designed to provide you with many years of trouble-free service. If a problem occurs, however, refer to Table 6-2 for possible solutions. Table 6-2. Troubleshooting (1 of 2) Symptom Alarm LED is on. Cannot access the DSU via the ATI. -
Page 47: Resetting The Dsu
Messages and Troubleshooting Table 6-2. Troubleshooting (2 of 2) Symptom Not receiving data; DSU is not responding. Power-Up Self-Test fails. Only Alarm LED is on after power-up. Resetting the DSU The DSU can be reset locally or remotely. To reset the DSU, follow this menu selection sequence: Main Menu The DSU reinitializes itself, performing a Device Self-Test. -
Page 48: Overview
Configuration Option Tables Overview The tables in this appendix summarize the configuration options accessed when you select Configuration on the Main Menu. The configuration options are arranged into groups based upon functionality. Select . . . System Network Data Port Terminal Port NOTE: All changes to configuration options must be saved. -
Page 49: System Options Menu
Configuration Option Tables System Options Menu For System Options, refer to Table A-1. To access the System Options screen, follow this menu selection sequence: Main Menu Configuration Edit/Display Table A-1. System Options (1 of 2) Operating Mode Possible Settings: DDS, LADS Default Setting: DDS The unit’s operating mode depends upon the DSU’s application. - Page 50 Table A-1. System Options (2 of 2) LADS Line Rate (Kbps) Possible Settings: 56, 64 Default Setting: 64 Line operating rate for LADS operation. LADS Line Rate (Kbps) option appears when Operating Mode is set to LADS. 56 – 56 kbps line rate. Provides increased distance for the LADS applications. 64 –...
-
Page 51: Network Interface Options Menu
Configuration Option Tables Network Interface Options Menu For Network Interface Options, refer to Table A-2. To access the Network Interface Options screen, follow this menu selection sequence: Main Menu Configuration Edit/Display Table A-2. Network Interface Options Network-initiated DSU Loopback (64K CC) Possible Settings: Enable, Disable Default Setting: Enable Indicates whether the access unit responds to a DSU latching loopback sequence sent... -
Page 52: Data Port Options Menu
Data Port Options Menu For Data Port Options, refer to Table A-3. To access the Data Port Options screen, follow this menu selection sequence: Main Menu Configuration Edit/Display Table A-3. Data Port Options (1 of 3) Invert Transmit Clock Possible Settings: Enable, Disable Default Setting: Disable The DSU clock provided on Interchange Circuit CT114, Transmit Signal Element Timing DCE source (TXC), is phase inverted with respect to Interchange Circuit CT103,... - Page 53 Configuration Option Tables Table A-3. Data Port Options (2 of 3) Carrier Control by RTS Possible Settings: Constant, Switched Default Setting: Constant Simulates Constant or Switched Carrier operation. Constant – The internal RTS is forced on and the DSU is in a constant Data Mode on the transmit line.
-
Page 54: Terminal Port Options
Table A-3. Data Port Options (3 of 3) Monitor DTR Possible Settings: Enable, Disable Default Setting: Enable Indicates to the DSU whether to monitor the Interchange Circuit CT108, Data Terminal Ready (DTR), from the DTE. Enable – The DSU monitors the state of DTR on the DTE port and displays it on the System and Test Status screen. - Page 55 Configuration Option Tables Table A-4. Terminal Port Options (2 of 2) Disconnect Time(minutes) Possible Settings: range 1 – 60 Default Setting: 5 Number of minutes of inactivity before the ATI session terminates automatically. Timeout is based on no keyboard activity. Disconnect Time(minutes) option appears when Inactivity Timeout is enabled.
-
Page 56: Configuration Worksheets
Worksheets Overview The worksheets in this appendix summarize the configuration options accessed when you select Configuration on the Main Menu. The possible menu selections are displayed with the default settings and the possible settings. Configuration Worksheets System Configuration Option Operating Mode DDS Line Rate (Kbps) LADS Timing LADS Line Rate (Kbps) - Page 57 Worksheets Network Interface Configuration Option Network-initiated DSU Loopback (64K CC) Data Scrambling (64K CC) V.54 Initiated DSU Loopback Data Port Configuration Option Invert Transmit Clock Port (DTE) Initiated Loopbacks Bilateral Loopback Carrier Control by RTS CTS Control RLSD Control DSR Control Monitor DTR Terminal Port Configuration Option...
-
Page 58: Terminal Port Eia-232 Connector
Cables and Pin Assignments Overview The following sections provide pin assignments for the: Terminal Port EIA-232 Connector V.35 User Data Port Connector Standard EIA-232-D Crossover Cable LAN Adapter Converter and Cable Modular RJ48S DDS Network Interface Cable 7510-A2-GB20-00 March 1997... - Page 59 Cables and Pin Assignments Terminal Port EIA-232 Connector The Terminal port connects to a PC or VT100-compatible terminal. Signal Transmit Data ( TXD ) Received Data ( RXD ) Request to Send ( RTS ) Clear to Send ( CTS ) Data Set Ready (DSR) Signal Ground ( SG ) Carrier Detect ( CD )
- Page 60 V.35 User Data Port Connector The following table provides the pin assignments for the 34-position V.35 connector to the User Data terminal equipment. Signal Signal Ground/Common Request to Send ( RTS ) Clear to Send ( CTS ) Data Set Ready ( DSR ) Received Line Signal Detector ( RLSD or LSD ) Data Terminal Ready ( DTR )
-
Page 61: Standard Eia-232-D Crossover Cable
Cables and Pin Assignments Standard EIA-232-D Crossover Cable A standard crossover cable can be used to connect the Terminal port to an external modem. Pin 14 Pin 1 Pin 13 Pin 25 Chassis Ground Signal Ground CD (RLSD) Plug XTXC March 1997 Pin 1 Plug... -
Page 62: Lan Adapter Converter And Cable
LAN Adapter Converter and Cable The following figure shows the: Pin assignments for the DB25 plug to modular jack converter between the Management port and the 8-conductor LAN Adapter cable and Pin assignments for the custom 8-conductor cable (with modular plugs on both ends) between the converter and the LAN Adapter. -
Page 63: Technical Specifications
Technical Specifications Table D-1. Model 7510 DSU Technical Specifications (1 of 2) Item Housing Height (including feet) Height (without feet) Width Depth (case) Depth (case and connectors) Weight Power Normal service voltage range Approvals FCC Part 15 FCC Part 68 Safety Certifications Emissions Interface and Connectors... - Page 64 Technical Specifications Table D-1. Model 7510 DSU Technical Specifications (2 of 2) Item Network Interface Data rates LADS data rates Services supported Network Compatibility ANSI T1.410-1992 and AT&T Technical Reference 62310-1993 DTE Data Port Interface Table D-2. Model 7510 DSU LADS Connection Distances Data Rate (kbps) Specifications...
- Page 65 Glossary aggregate A single bit stream that combines two or more bit streams. ASCII American Standard Code for Information Interchange. A 7-bit code that establishes compatibility between data services. ASCII is the standard for data transmission over telephone lines. ASCII Terminal or Devices that can be attached, either locally or remotely, to display or print the DSU’s alarm messages.
- Page 66 Glossary Data Mode Idle. Refers to a sequence of ones transmitted or received on the DDS network. Data Set Ready. An EIA-lead standard for V.24 circuit CT 107; an output signal (DCE-to-DTE). Data Service Unit. Data communications equipment that provides an interface between the DTE and the digital network.
- Page 67 multiplexing A method for interleaving several access channels onto a single circuit for transmission over the network. node A connection or switching point on the network. non-latching A non-latching loopback can only be initiated or terminated by the 56 kbps network service provider.
- Page 68 Index Numbers 511 test pattern, 5-6– 5-7 alarm condition, 4-1 LED, 4-9 ASCII, printable characters, 3-1 Configuration menu, 3-3 Control menu, 3-1, 6-4 exiting, 2-8 initiating, 2-2 menus, 2-2 monitoring, 4-1 Status menu, 4-2, 4-6, 4-7, 4-8 Test menu, 5-1, 5-3, 5-7, 5-9 cables, rear panel, C-1 communication protocol options, A-2 configuration...
- Page 69 Index hardware revision number, 6-4 health and status, messages, 4-3– 4-4 identity, 6-4 device name, 3-1 interface connections, 1-4 network status, 4-6 keyboard functions, 2-5 LADS (Local Area Data Set) example, 1-2 maximum distances, 1-3 Operating Mode setting, A-2 lamp test, 5-9 LAN, adapter and cable, C-5 LEDs, 4-8–...
- Page 70 rear panel, connections, 1-4 reset device, 6-4 revision numbers, 6-4 RJ48S network interface cable, C-5 RTS, request to send LED, 4-11 RXD, received data LED, 4-11 safety instructions. See Start-Up Instructions saving option changes, 3-2 screen function keys, 2-6 screen work areas, 2-4 screens, for user interface, 2-3 self-test, 6-4 self-test results, 4-4...
Need help?
Do you have a question about the 7510-A2-GB20-00 727 and is the answer not in the manual?
Questions and answers