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Paradyne Hotwire 7995 User Manual

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7995-A2-374
SHDSL-Serial NTU
User's Guide
Document Number 7995-A2-GB21-00
September 2004

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  • Page 1 7995-A2-374 SHDSL-Serial NTU User’s Guide Document Number 7995-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.

  • Page 3: Table Of Contents

    Table of Contents Chapter 1 Introduction ... 7 Overview ... 7 Features ... 8 Application... 9 Front Panel LED Indicators ... 10 Chapter 2 Hardware Installation... 11 Rear Panel Connectors ... 11 Pin Assignments ... 12 Installation ... 14 Chapter 3 Management ...
  • Page 4 Chapter 8 System Reset and Software Download... 43 Reset ... 43 Software Download via X-modem ... 43 Software Download via TFTP... 44 Remote Software Upgrade via TFTP ... 45 Chapter 9 Troubleshooting ... 46 Specifications ... 47 September 2004 7995-A2-GB21-00...
  • Page 5 List of Figures Figure 1—1 Applications of the 7995-A2-374 ...9 Figure 1—2 7995-A2-374 Front View ... 10 Figure 2—1 7995-A2-374 Rear Panel Connectors ... 11 Figure 3—1 Main Menu ... 15 Figure 4—1 Main Menu ... 18 Figure 4—2 Configuration Menu ... 20 Figure 4—3 System Configuration Screen ...
  • Page 6 7995 SHDSL NTU User’s Guide September 2004 7995-A2-GB21-00...

  • Page 7: Chapter 1 Introduction

    7995 SHDSL NTU User’s Guide Chapter 1 Introduction Overview This user’s guide provides general information about the features, functions and operation of the 7995-A2-374 SHDSL NTU. The 7995-A2-374 is a SHDSL NTU, which utilizes SHDSL technology combining the best of 2B1Q SDSL and HDSL2 to achieve a faster and more efficient data transmission in both directions over a single copper telephone pair.

  • Page 8: Features

    Features Full remote control capability via SHDSL Embedded Operation Channel Complies with ITU-T G.991.2 (G.SHDSL) Data rate: Nx64 kbps (N = 1–36) Versatile loopbacks for diagnostics, including V.54 Auto-negotiation rate adaptation Built-in test pattern generator and detector SHDSL line performance monitoring (PM) 96-quarter-hour/7-day PM storage Local control via RS-232 management port SNMP management through Ethernet LAN port...

  • Page 9: Application

    7995 SHDSL NTU User’s Guide Application Figure 1-1 shows the applications of the 7995-A2-374 SHDSL NTU. Figure 1—1 Applications of the 7995-A2-374 7995-A2-GB21-00 September 2004...

  • Page 10: Front Panel Led Indicators

    Front Panel LED Indicators The LED indicators indicate power status, diagnostics, machine status, data activity, and alarm conditions. Figure 1—2 7995-A2-374 Front View Color Mode Indicator POWER Green TEST Green Blink Green ALARM Yellow Blink RD & TD Green Green DSL LOS Blink Yellow...

  • Page 11: Chapter 2 Hardware Installation

    Power Connect to the power adapter. Console DB-9 female connector connected to a PC COM port. RJ45 connector for SNMP network management V.35 Connect to a router. LINE RJ45 connector for SHDSL connection Table 2-1 7995-A2-374 Rear Connectors 7995-A2-GB21-00 V.35...

  • Page 12: Pin Assignments

    Pin Assignments Console port cable Definition Table 2-2 Console Port Pin Assignments LINE port Definition Ring Table 2-3 LINE Port Pin Assignments Definition Definition September 2004 7995-A2-GB21-00...
  • Page 13 V.35 interface Source Definition Common 1 Chassis Ground Request to Send Data Set Ready Data Terminal Ready 9-11 Not Used Transmitted Data (A) Transmitted Data (B) Terminal Timing (A) Transmitted Timing (B) Transmitted Timing (A) Transmit Timing (B) 25-33 Not Used Table 2-4 V.35 Interface Pin Assignments 7995-A2-GB21-00 Definition...

  • Page 14: Installation

    Step 2 Connect the LAN port to the SNMP management network with an RJ45 connector cable. Step 3 Connect the V.35 interface to the router. Step 4 Connect the Console port to the VT100 compatible terminal with an RS232 cable.

  • Page 15: Chapter 3 Management

    Chapter 3 Management This chapter describes the three ways to manage the SHDSL NTU: Console, Telnet, and SNMP. Chapters 4 through 6 introduce how to configure and maintain the SHDSL NTU in a console or Telnet session. Console Management Configure the following parameters for your VT100-compatible terminal emulation program: Baud rate: 38,400 bps Parity: None Data bits: 8...
  • Page 16 Press the Up and Down arrow keys to select the fields, and press the Left and Right arrow keys to select the parameters of fields. Press <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.

  • Page 17: Telnet Management

    Telnet Management Configuration can also be performed using Telnet. 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. STEP 2: In Windows, click Start and choose Run.

  • Page 18: Chapter 4 System Setup

    Chapter 4 System Setup Login Configure the following parameters for your terminal or VT100 terminal emulation program. Console session parameters (factory default) Baud rate: 38400 bps Parity: None Data bits: 8 Stop bit: 1 Flow control: None After the session parameters are set up, run the VT100 terminal emulation program on your PC. The Press Any Key to Login…...
  • Page 19 Note: HyperTerminal If you use HyperTerminal (provided with Windows 98/ME/2000), follow the steps below to change its Emulation mode to ANSI. STEP 1: Activate the HyperTerminal window after the baud rate, parity, data bit, stop bit, flow control bit are set up. STEP 2: Click File>Properties to access the Properties window.

  • Page 20: Main Menu

    Main Menu Press the Up and Down arrow keys to select the fields, and press the Left and Right arrow keys to select the parameters of fields. Press <Ctrl-X > to exit and <Enter > for confirmation. The main menu includes the following fields: Select Device: Choose the local or remote SHDSL NTU to be configured.

  • Page 21: Figure 4-3 System Configuration Screen

    4.3.1 System configuration Select Main Menu>Configuration>System Configuration to go to the System Configuration screen shown in Figure 4-3. The following options can be configured there: Device Name: Enter proper characters for system identification. The maximum length for device name is eight characters. Only alphabetic and numeric characters are valid. Timing Source: Different NE modes provide different options of the timing source.

  • Page 22: Figure 4-5 System Date And Time Setting Screen

    7995 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 In this screen you can perform the field Synchronize Remote Date &...
  • Page 23 4.3.5 SNMP and TFTP Configuration Before connecting to the SNMP management system, configure the following parameters: Node IP Address: Specify an IP address for the SHDSL NTU. The default IP address is 172.16.7.37. Node IP Subnet Mask: Specify a subnet mask for the IP address. The default subnet mask is 255.255.0.0.

  • Page 24: Figure 4-7 Snmp And Tftp Configuration Screen

    Figure 4—7 SNMP and TFTP Configuration Screen 4.3.6 SHDSL Interface Configuration The parameters in the SHDSL Interface Configuration menu are shown in Figure 4-8. The valid range for the field Data Rate is 192–2304 kbps in 64 kbps steps (Nx36). The user can also enable SHDSL Auto Baud function for a DSL line auto-connection.

  • Page 25: Logout

    7995 SHDSL NTU User’s Guide 4.3.7 V.35 Configuration The V.35 Interface Configuration screen shown in Figure 4-9 allows the user to set the signal RTS to Permanent On or From DTE and to enable the Tail function to accept a clock from DTE V.35 interface.

  • Page 26: Figure 5-1 Operation Mode Indication

    Then you are prompted to Login once again: 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 27: Selecting A Device

    7995 SHDSL NTU User’s Guide Selecting a Device Select Main Menu>Select Device to configure the local or remote SHDSL NTU. The default setting of the Select Device is local. If you change the field of Select Device to remote shown in Figure 5-2, you can configure the remote SHDSL NTU via the DSL line.

  • Page 28: Selecting Ne Mode

    Selecting NE Mode Select Main Menu>Select NE Mode (LT/NT) to configure the NTU for LT (Line Termination) mode or NT (Network Termination) mode. The Select NE Mode Menu is shown in Figure 5-4. The factory default is NT mode. Figure 4—14 Select NE Mode Menu When NT mode is selected, the NT LED on front panel will light.

  • Page 29: Chapter 5 Monitoring

    Chapter 5 Monitoring The chapter describes performance monitoring, DTE status monitoring, and alarm monitoring. DTE Status Monitoring Selecting Main Menu>DTE Status displays the state of the following V.35 interface signals: RTS: Request To Send CTS: Clear To Send DCD: Data Carries Detect DSR: Data Set Ready 7995-A2-GB21-00 Figure 5—1 DTE Status Screen...

  • Page 30: Figure 6-2 Performance Data Menu

    5.1.1 Performance Monitoring Select Main Menu>Performance Statistics to enter the SHDSL Performance Data Menu shown in Figure 6-2. Both Near End and Far End performance data can be monitored. The count of performance data is based on a quarter-hour. In the Performance Data Menu, you can view the data of current quarter hour, previous 96 quarter hours, or Current &...

  • Page 31: Figure 6-4 Near-End Previous 96 Quarters Performance Screen

    7995 SHDSL NTU User’s Guide In the screen of Previous 96 Quarters Performance, you can press the Left or Right arrow key on field Performance Data to select a monitored parameter such as ES, SES or UAS. After selecting the parameter, press the Enter key to view the data for a day. Figure 5—6 Near-End Previous 96 Quarters Performance Screen Select Refresh to update the monitored data.

  • Page 32: Threshold Setup

    7995 SHDSL NTU User’s Guide Select Main Menu>Performance Statistics> Clear Performance Data to reset the current and history data for both Near-End and Far-End. Figure 5—8 Reset Near-End Performance Data Screen Threshold Setup Select Main Menu>Threshold Setup to enter the configuration of performance threshold. The unit for ES, SES, UAS, and LOSW is the second.

  • Page 33: Alarm Monitoring

    Alarm Monitoring The Alarm Monitoring screen lets you view current alarm status and alarm history. You can also clear alarms from this screen. 5.3.1 Viewing Current Alarm Status Select Main Menu>Current Alarm & Status to view the device current alarm status. The system provides two classes of alarms: major and minor.

  • Page 34: Chapter 6 Loopback And Test

    7995 SHDSL NTU User’s Guide Chapter 6 Loopback and Test The SHDSL NTU provides three kinds of test, which are Loopback, BER Test, and Self-test. Select Main Menu>Test & Loopback Status to enter the Test and Loopback Status Menu. This menu has three items.

  • Page 35: Figure 7-3 Shdsl Local Loopback

    6.1.1 SHDSL Loopback There are four types of SHDSL loopback. Local loopback: Performs a loopback toward DTE. This loopback will terminate the SHDSL link. Figure 6—3 SHDSL Local Loopback Line loopback: Performs a loopback toward the line. Figure 6—4 SHDSL Line Loopback Remote line loopback.

  • Page 36: Figure 7-6 Shdsl Remote Payload Loopback

    7995 SHDSL NTU User’s Guide Remote payload loopback. Figure 6—6 SHDSL Remote Payload Loopback To release a loopback, select Release to return to normal operation. September 2004 7995-A2-GB21-00...

  • Page 37: V.35 Loopback

    V.35 Loopback There are three kinds of loopback test performed on the V.35 Interface. Local: Performs a local loopback. Network: Performs a network loopback. V.54: Performs a remote V.54 loopback. The V.54 loopback is not supported when the data rate is set to 64 Kbps (N=1) to 192 Kbps (N=3). To release the loopback, select Release to return to normal operation.

  • Page 38: Ber Test

    BER Test Select Main Menu> Test & Loopback Status> SHDSL BER Test to enter the BER test screen. The fields in the screen are described below: Test Period: enter the duration for testing. (00:00:00 denotes a continuous test.) Test Pattern: 511, 2047 and PRBS (2^15-1) patterns are available for the test. Normal means there is no pattern sent.

  • Page 39: Chapter 7 Configuration Database

    7995 SHDSL NTU User’s Guide Chapter 7 Configuration Database You can save, upload, or download the configuration database from the Configuration Database Maintenance screen. The screen also provides a function to restore the configuration database to the factory default settings. Select Main Menu> Configuration Database Maintenance to perform the system maintenance.

  • Page 40: Uploading Configuration Database Via X-Modem

    Uploading Configuration Database via X-modem Select Main Menu> Configuration Database Maintenance> Upload Configuration Database (X_Modem) to perform the system configuration file uploading via X-modem. A message shown below will appear for confirmation. Choose UpLoad to perform the uploading. Then execute the following procedures. STEP 1: Select the function for file transfer (receive/download) from the terminal emulation program you use.

  • Page 41: Downloading Configuration Database Via X-Modem

    7995 SHDSL NTU User’s Guide 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 to perform the downloading, then perform the following procedure.

  • Page 42: Downloading Configuration Database Via Tftp

    Downloading Configuration Database via TFTP Select Main Menu> Configuration Database Maintenance> Download Configuration Database (TFTP) to download the system configuration file via an TFTP server. A message as shown below will appear for confirmation. Choose DownLoad. Note: Go to the Main Menu>Configuration>SNMP Configuration to enter the IP address of the TFTP server and the file name you would like to download before performing the downloading.

  • Page 43: Chapter 8 System Reset And Software Download

    Chapter 8 System Reset and Software Download For system reset and system software download, select Main Menu> Reset & Software Download. Figure 8—1 Reset & Software Download Menu Reset Select Main Menu> Reset & Software Download>Reset to perform a system reset. A message as shown below will appear for confirmation.

  • Page 44: Software Download Via Tftp

    STEP 1: Select the function for file transfer (send/upload) from the terminal emulation program you use. STEP 2: Select the X-modem protocol for file transfer. STEP 3: Enter the file name with the directory to be sent. STEP 4: Execute the file transfer function. Note: The maximum wait time for the system is 50 seconds.

  • Page 45: Remote Software Upgrade Via Tftp

    Remote Software Upgrade via TFTP The remote upgrade allows upgrading the NT device via the central LT device. STEP 1: Go to the Main Menu>Configuration>SNMP Configuration to enter the IP address of the TFTP server and the file name you would like to download. STEP 1: Select Main Menu>...

  • Page 46: Chapter 9 Troubleshooting

    Chapter 9 Troubleshooting Event Checking Procedure VT100 connection failure 1. Check the RS-232 connection. 2. Check the RS-232 cable. A straight-through cable is required. 3. Check the terminal emulation program. It must be VT100- 4. Check console session parameters. The default baud rate is Login deny 1.

  • Page 47: Specifications

    Specifications Specification Diagnostics: Loopback Function Loopback Types Built-in test patterns Dimensions DTE Interface: V.35 Data rate Connector Environmental Requirements: Temperature Humidity Management: Local Interface SNMP Management Remote Management Power SHDSL Line Interface: Encoding Scheme Media Line Impedance Line rate Payload rate Connector Timing Note: Specifications are subject to change without notice.

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