Paradyne Hotwire 7996 User Manual
Shdsl-g.703 ntu
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Summary of Contents for Paradyne Hotwire 7996
- Page 1 7996-A2-374 SHDSL-G.703 NTU User’s Guide Document Number 7996-A2-GB21-00 September 2004...
- Page 2 Copyright © 2004 Paradyne Corporation. All rights reserved. Printed in U.S.A. Notice This publication is protected by federal copyright law. No part of this publication may be copied or distributed, transmitted, transcribed, stored in a retrieval system, or translated into any human or computer language in any form or by any means, electronic, mechanical, magnetic, manual or otherwise, or disclosed to third parties without the express written permission of Paradyne Corporation, 8545 126th Ave.
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Page 3: Table Of Contents
Table of Contents CHAPTER 1 INTRODUCTION...5 ...5 VERVIEW ...5 EATURES ...6 PPLICATIONS LED I RONT ANEL NDICATORS CHAPTER 2 HARDWARE INSTALLATION ...8 ANEL ONNECTORS ...9 NSTALLATION CHAPTER 3 MANAGEMENT ...10 ...10 ONSOLE ANAGEMENT ...12 ELNET ANAGEMENT SNMP M ...12 ANAGEMENT CHAPTER 4 SYSTEM SETUP ...13 ...13... - Page 4 7996 SHDSL NTU User’s Guide Figure 4-3 System Configuration Screen... 16 Figure 4-4 Local Management Port Configuration Screen... 16 Figure 4-5 System Date and Time Setting Screen ... 17 Figure 4-6 Password Configuration Screen ... 18 Figure 4-7 SNMP Configuration Screen ... 19 Figure 4-8 SHDSL Interface Configuration Screen ...
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Page 5: Chapter 1 Introduction
Chapter 1 Introduction Overview This user’s manual provides general information about the features, functions and operation of the 7996-A2-374 SHDSL NTU. The 7996-A2-374 is a Network Termination Unit (NTU) that utilizes SHDSL technology, combining the best of 2B1Q SDSL and HDSL2 to achieve fast and efficient data transmission in both directions, over a single copper telephone line. -
Page 6: Applications
7996 SHDSL NTU User’s Guide Applications Figure 1-1 shows the applications of the 7996-A2-374 SHDSL NTU. Figure 1-1 Applications of 7996-A2-374 September 2004 7996-A2-GB21-00... -
Page 7: Front Panel Led Indicators
Front Panel LED Indicators The 7996-A2-374 has eight LED indicators. These LEDs indicate power status, diagnostics, machine status, data activity, and alarm conditions. Color Indicator POWER Green TEST Green Green ALARM Yellow Green DSL LOS Red Yellow Note: The average training period for the SHDSL line is one minute and forty seconds. If the training period exceeds three minutes, or it fails (the DSL LOS LED keeps blinking), it means the line quality is poor or the link distance is too long for the SHDSL NTU to train. -
Page 8: Chapter 2 Hardware Installation
Chapter 2 Hardware Installation Rear Panel Connectors There are two types of rear panels for the 7996-A2-374. Their only difference is the power supply: –48 VDC or 110/220 VAC. Figure 2-1 7996-A2-374 Rear Panel Connectors – DC power Figure 2-2 7996-A2-374 Rear Panel Connectors – AC power Interface Description –48V FG PG... -
Page 9: Installation
Installation Follow the step-by-step instructions below for the hardware installation: Step 1 Connect the LINE port to your DSL line. Step 2 Connect the LAN port to the SNMP management network with an RJ45 connector cable. Step 3 Connect the E1 interface to the Data network. Step 4 Connect the Console port to the VT100 compatible terminal or PC COM port with an RS232 cable. -
Page 10: Chapter 3 Management
Chapter 3 Management This chapter describes the three ways to manage the SHDSL NTU: Console, Telnet and SNMP. Chapters 4 to 6 cover the configuration and maintenance of the SHDSL NTU in a console or Telnet session. Console Management Configure the following parameters for your VT100 terminal emulation program: Baud rate: 38,400 bps Parity: None Data bits: 8... - Page 11 Press the Up and Down arrow keys to select fields, and press the Left and Right arrow keys to select the parameters of fields. Type <Ctrl-X > to exit and <Enter > for confirmation. The main menu includes the following fields: Select Device (Local/Remote): Select the SHDSL NTU to be configured.
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Page 12: Telnet Management
Telnet Management The configurations in a Telnet session are the same as in console. To access the SHDSL NTU via Telnet, follow the steps below: STEP 1: Connect the SHDSL NTU’s LAN port to the Network Interface Card (NIC) in a PC using a crossover cable, or to an Ethernet hub using a straight-through cable. -
Page 13: Chapter 4 System Setup
Chapter 4 System Setup Login Configure the following parameters for your VT100 terminal emulation program. Console session parameters (factory default) Baud rate: 38400 bps Parity: None Data bits: 8 Stop bit: 1 Flow control: None Run the VT100 emulator program. In a while, the Press Any Key to Login… message appears. Press any key. -
Page 14: Main Menu
Main Menu Press the Up and Down arrow keys to select fields, and press the Left and Right arrow keys to select the parameters of fields. Type <Ctrl-X > to exit and <Enter > for confirmation. The main menu includes the following fields: Select Device: Select the device to be configured. -
Page 15: Configuration
Configuration After you log in to the device, press the Up or Down arrow key to select the Configuration field from the main menu and then press the Enter key to go to the Configuration Menu. Seven fields can be selected from the Configuration Menu. The detail of each field is explained in the following sections. -
Page 16: Figure 4-3 System Configuration Screen
7996 SHDSL NTU User’s Guide Figure 4-3 System Configuration Screen 4.3.2 Local Management Port Configuration Select Main Menu>Configuration>Management Port Configuration to go to the Local Management Port Configuration screen shown in Figure 4-4. The factory-default setting for Baud Rate is 38400 bps. Press the Left or Right arrow key to select Baud Rate and use the Up or Down arrow key to exit or confirm the setting. -
Page 17: Figure 4-5 System Date And Time Setting Screen
7996 SHDSL NTU User’s Guide 4.3.3 System Date and Time Setting Select Main Menu>Configuration>System Date and Time Setting to go to the System Date and Time Setting screen shown in Figure 4-5. Figure 4-5 System Date and Time Setting Screen Select Synchronize Remote Date &... -
Page 18: Figure 4-6 Password Configuration Screen
4.3.4 Password Change For security purposes, set up the password after initial login. Select Main Menu>Configuration>Change Password to enter the System Change Password screen, which is shown in Figure 4-6. Figure 4-6 Password Configuration Screen Note 1: The maximum length of the password is eight characters. Note 2: Only alphabetic and numeric characters may be used for the password. -
Page 19: Figure 4-7 Snmp Configuration Screen
The user can define up to two trap hosts using the Trap IP address 1 and Trap IP address 2. Each trap port is also changeable. The default trap port is 162. The device sends traps to these hosts when the traps are generated. If a trap host is on the same IP subnet as the device, the trap can be sent to the host directly;... -
Page 20: Figure 4-8 Shdsl Interface Configuration Screen
4.3.6 SHDSL Interface Configuration The parameters in the SHDSL Interface Configuration menu are shown in Figure 4-8. The 7996-A2-374 can support two modes: transparency and non-transparency for E1. The Data Rate is fixed at the speed of 1544 kbps (N=24) for both modes. Power backoff: In access networks, loop lengths and noise conditions differ significantly from pair to pair. -
Page 21: Figure 4-9 E1 Interface Configuration Screen I
7996 SHDSL NTU User’s Guide 4.3.7 E1 Interface Configuration When you select Main Menu>Configuration>E1 Interface Configuration, one of the two different E1 Interface Configuration screens is displayed. In the SHDSL Interface Configuration, if the field E1 Transparency is enabled, then the time slots of the E1 interface will be unconfigurable. -
Page 22: Logout
7996 SHDSL NTU User’s Guide Logout To log out of the system, move the cursor to the Logout field from the main menu by using the Up or Down arrow key. Figure 4-11 System Logout After pressing the Enter key, a prompt as shown below will ask you to Press any key to login. Then you are prompted to log in once again. -
Page 23: Chapter 5 Operation Mode
Chapter 5 Operation Mode There are two access privileges for system operation: Read mode and Write mode. In Read mode, the user can only view information from the terminal except changing the password. In Write mode, the user can view system information and change system parameters from the terminal. -
Page 24: Selecting Device
7996 SHDSL NTU User’s Guide Selecting Device Select Main Menu>Select Device to configure the local or remote device. This field is only available in LT mode. The default setting of the Select Device is local. If you change Select Device to Remote shown in Figure 5-2, you can configure the remote device via the DSL line. Figure 5-2 Select Device Menu The main menu of the remote configuration is a little different from that of the local configuration. -
Page 25: Selecting Mode
Selecting Mode Select Main Menu>Select NE Mode (LT/NT) to configure device mode: LT (Line Termination or NT (Network Termination). The Select NE Mode Menu is shown in Figure 5-4. The factory default is LT mode. The NT LED on front panel will light when NT is selected. NT Mode: System timing is not configurable in this mode. -
Page 26: Chapter 6 Maintenance
7996 SHDSL NTU User’s Guide Chapter 6 Maintenance The chapter describes performance monitoring, alarm monitoring, and loopback test. Performance The SHDSL NTU allows you to perform SHDSL Performance Monitoring and E1 Performance Monitoring, set up thresholds for the SHDSL Interface, and set up thresholds for the E1 Interface. -
Page 27: Figure 6-3 Current Quarter Performance Screen For Shdsl
The NTU monitors four parameters: ES, SES, UAS, and LOSW. ES (Errored Seconds): Specifies the amount of seconds with one or more CRC errors. SES (Severely Errored Seconds): Specifies the amount of seconds with 25 or more CRC errors. UAS (Unavailable Seconds): Counts the cumulative number of seconds in which the interface was unavailable during the measured period. -
Page 28: Figure 6-5 Current & Previous 7 Days Performance Screen For Shdsl
7996 SHDSL NTU User’s Guide On the Current & Previous 7 Days Performance screen, data for the previous seven days and information about valid intervals are displayed. For the statistics of a current day, the number of valid intervals is counted per quarter hour. The accumulation of the number starts from the beginning of a day. -
Page 29: Figure 6-7 Current Quarter Performance Screen For E1
6.1.2 E1 Performance Monitoring Select Main Menu> Performance Statistics> E1 Performance to go to the E1 performance monitoring screen. Figures 6-7 to 6-9 show example screens for the E1 performance monitoring. The E1 performance monitoring for the current quarter-hour is shown in Figure 6-7. The parameters that are monitored are: LCV (Line Coding Violation): The occurrence of either a Bipolar Violation (BPV) or Excessive Zeroes (EXZ) error event. -
Page 30: Figure 6-8 Previous 96 Quarters Performance Screen For E1
7996 SHDSL NTU User’s Guide Figure 6-8 shows an example screen for the Previous 96 Quarters Performance reporting. Use the Left/Right arrow keys to select the reporting criteria for the Performance Data by choosing the applicable monitored parameter. After selecting a parameter, press the Enter key to confirm the new value, and to view the monitored data for a particular day. -
Page 31: Figure 6-10 Clear Performance Data Screen For E1
7996 SHDSL NTU User’s Guide Clear the current or history performance data by selecting the Main Menu>Performance Statistics> E1 Performance> Clear Performance Data option. First, select a performance type: Current or History. Second, select a parameter for the Performance Data field. Then select Clear to perform the clearing of the data. -
Page 32: Figure 6-13 E1 Threshold Setup Screen
7996 SHDSL NTU User’s Guide 6.1.4 Threshold Setting for E1 Interface Select Main Menu>Threshold Setup> E1 Threshold Setup to display the E1 THRESHOLD SETUP screen, shown below. Figure 6-13 E1 Threshold Setup Screen On the screen, the threshold units for ES, SES, SEFS, UAS and CSS are counted in seconds. The valid range for the threshold per quarter-hour is from 0 to 900 seconds, and the valid range for a day is from 0 to 86400 seconds. -
Page 33: Alarm Monitoring
Alarm Monitoring The Alarm Monitoring menu displays current alarm status and alarm history, and allows you to clear alarms. 6.2.1 Viewing Current Alarm Status Select Main Menu>Current Alarm & Status to view the device’s current alarm status. The system provides two classes of alarms: major and minor. Use the Up/Down arrow key to select field Exit for page exit, Refresh for updating data, PgUp for page up, and PgDn for page down. -
Page 34: Loopback Test
Loopback Test Select Main Menu>Test & Loopback Status to enter the TEST AND LOOPBACK Menu shown in Figure 6-16. From the Test and Loopback Status menu you can execute SHDSL, E1 and system tests. The system allows only one loopback at a time. 6.3.1 SHDSL Loopback Test Select Main Menu>... -
Page 35: Figure 6-18 Shdsl Ber Test Screen
6.3.2 SHDSL BER Test Select Main Menu> Test & Loopback Status> SHDSL BER Test to enter the SHDSL BER test screen. The screen is shown in Figure 6-18. The fields in the screen are described below: Test Period: enter the time for testing. (00:00:00 specifies that the test will be continuous.) Test Pattern: 2047 and 2^15-1 patterns are available for the test. -
Page 36: Figure 6-19 E1 Loopback Screen
6.3.3 E1 Loopback Test After entering Main Menu>Test & Loopback Status>E1 Loopback, shown in Figure 6-23, four fields can be chosen on the E1 loopback screen. On the screen, there are four fields selectable via the Left/Right arrow key and explained below: Release: Return to normal operation. -
Page 37: Figure 6-20 E1 Ber Test Screen
Payload: Perform an E1 payload loopback test. The loopback diagram is shown below. 6.3.4 E1 BER Test Select Main Menu> Test & Loopback Status> E1 BER Test to enter the E1 interface BER test screen. The screen is shown in Figure 6-24. The fields on the screen are described below: Test Period: Enter the time for testing. -
Page 38: System Maintenance
6.3.5 System Self-Test Select Main Menu>Test & Loopback Status>Self test to perform a system self-test. The system will perform a self-test and then show the results on the screen. During the test, the traffic will be interrupted. System Maintenance You can save, upload, or download the configuration database, or restore the configuration database to the factory default setting from the Configuration Database Maintenance screen. -
Page 39: Uploading Configuration Database Via Tftp
6.4.2 Uploading Configuration Database via X-modem Select Main Menu> Configuration Database Maintenance> Upload Configuration Database (X_Modem) to upload the system configuration file via X-modem. A message as shown below will appear for confirmation. Choose UpLoad to perform the uploading. And then perform the following procedure. -
Page 40: Downloading Configuration Database Via Tftp
6.4.4 Downloading Configuration Database via X-modem Select Main Menu> Configuration Database Maintenance> Download Configuration Database (X_Modem) to download the system configuration file via X-modem. A message as shown below will appear for confirmation. Choose DownLoad. Then perform the following procedure. The configuration file will be saved in flash memory. Procedure for download: Step 1 Select the function for file transfer (send/upload) from the terminal emulation program... -
Page 41: System Reset And Software Download
6.4.6 Setting Configuration Database to Factory Default Select Main Menu> Configuration Database Maintenance> Save Factory Default to Database to restore the system configuration file to factory default. A message shown below will appear for confirmation. Choose Save by using the Up/Down arrow key. The system will be restarted after the confirmation. -
Page 42: Software Download Via Tftp
6.5.2 Software Download Via X-modem Select Main Menu> Reset & Software Download> Software Download (X_Modem) to download the system software via X-modem. A message shown below will appear for confirmation. Choose DownLoad by using the Up/Down key. Then perform the following procedure for software download. - Page 43 6.5.4 Remote Software Download via TFTP The remote upgrade allows upgrading the NT device via the central LT device. STEP 1: To upgrade the software via a TFTP server, first enter the Main Menu>Configuration>SNMP Configuration screen to enter the IP address of the TFTP server and the file name you would like to download.
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Page 44: Chapter 7 Troubleshooting
Chapter 7 Troubleshooting Event VT100 connection failure Login deny No LED display No Response from LAN port DSL Training failure or the training period has exceeded three minutes Checking Procedure 1. Check the RS-232 connection. 2. Check the RS-232 cable. A straight-through cable is required. -
Page 45: Appendix A Specifications
Appendix A Specifications Specification Diagnostics: Loopback Function Loopback Types Built-In Test Patterns DTE: E1 Interface E1 frame Connector Environment: Temperature Humidity Management: Local interface SNMP management Remote Management Telnet Management TFTP Software Download Physical Dimensions Power: Input Voltage Power Consumption SHDSL Line: Encoding scheme Medium... -
Page 46: Appendix B Pin Assignments
Appendix B Pin Assignments Console port Definition Table B-1 Console Port Pin Assignments RJ45 E1 interface Definition Rx (Ring) Tx (Tip) Table B-2 RJ45 E1 Interface Pin Assignments LINE port Definition Ring Definition Rx (Tip) Tx (Ring) Definition Table B-3 LINE Port Pin Assignments September 2004 Definition 7996-A2-GB21-00...