ADTRAN HTU-C NB Installation And Maintenance Practice
ADTRAN HTU-C NB Installation And Maintenance Practice

ADTRAN HTU-C NB Installation And Maintenance Practice

Using narrowband/wideband for litespan
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®
HTU-C using Narrowband/Wideband for
Litespan
®
Installation and Maintenance Practice
Document Number: 61247002L1-5A
CLEI: SLL7AAAA_ _
March 2008

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Summary of Contents for ADTRAN HTU-C NB

  • Page 1 ® HTU-C using Narrowband/Wideband for Litespan ® Installation and Maintenance Practice Document Number: 61247002L1-5A CLEI: SLL7AAAA_ _ March 2008...
  • Page 2 In no event will ADTRAN be liable for any special, incidental, or consequential damages or for commercial losses even if ADTRAN has been advised thereof as a result of issue of this document.
  • Page 3 Revision History Revision Date Description March 2008 Initial release Conventions The following typographical conventions are used in this document: This font indicates a cross-reference link. indicates screen menus, fields, and parameters. This font indicates keyboard keys ( ). Keys that are to be pressed simultaneously HIS FONT NTER are shown with a plus sign (...
  • Page 4 HTU-C using Narrowband/Wideband for Litespan Installation and Maintenance Practice Training ADTRAN offers training courses on our products. These courses include overviews on product features and functions while covering applications of ADTRAN product lines. ADTRAN provides a variety of training options, including customized training and courses taught at our facilities or at customer sites.
  • Page 5: Table Of Contents

    ADTRAN HDSL Main Menu ........
  • Page 6 HTU-C NB/WB for Litespan Front Panel ........
  • Page 7 HTU-C NB/WB for Litespan Specifications ........
  • Page 8 HTU-C using Narrowband/Wideband for Litespan Installation and Maintenance Practice This page is intentionally blank. viii 61247002L1-5A...
  • Page 9: General

    HTU-C using Narrowband/ Wideband for Litespan GENERAL This practice is an installation and maintenance guide for the ADTRAN HTU-C using Narrowband/Wideband for Litespan (HTU-C NB/WB for Litespan). The HTU-C NB/WB for Litespan (P/N 1247002L1) front panel is illustrated in Figure Figure 1.
  • Page 10: Description

    HTU-C using Narrowband/Wideband for Litespan Installation and Maintenance Practice DESCRIPTION The HTU-C NB/WB for Litespan is a DS1 interface unit that provides full T1 service over 4-wire interface facilities. The HTU-C NB/WB for Litespan combines ADTRAN HDSL technology and Alcatel-Lucent Litespan technology to provide an HDSL interface to a Litespan system.
  • Page 11: Table 1. Hdsl List Versions

    Low Voltage HTU-R T400 x = any generic number The HTU-C NB/WB for Litespan can be deployed in circuits consisting of one HTU-C and one HTU-R. When deployment requires the HRE, which doubles the service range, the HTU-C NB/ WB for Litespan can be deployed with one Low Voltage HRE and one Low Voltage HTU-R.
  • Page 12: Shipping Contents

    • HTU-C using Narrowband/Wideband for Litespan Compliance Notice (P/N 61247002L1-17) Compliance The HTU-C NB/WB for Litespan is NRTL Listed to the applicable UL standards for Continuous Use in –40°C to +50°C environmental conditions. Care should be exercised when handling equipment when temperatures at these extremes exist, as surfaces could be very cold or hot.
  • Page 13 1. This device may not cause harmful interference 2. This device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by ADTRAN could void the user’s authority to operate this equipment. WARNING Voltages up to –200 VDC with respect to ground may be present on...
  • Page 14: Front Panel Leds

    HTU-C using Narrowband/Wideband for Litespan Installation and Maintenance Practice NOTE The HTU-C NB/WB for Litespan is designed to operate with a nominal operating voltage of –48 VDC and a minimum operating voltage of –40 VDC. The HTU-C NB/WB for Litespan is not damaged by any steady state voltage below –56.7 VDC.
  • Page 15: Applications

    APPLICATIONS The ADTRAN HDSL system provides a cost-effective alternative for deploying T1 service over metallic cable pairs. In contrast with traditional T1 service equipment, ADTRAN HDSL can be successfully deployed over two unconditioned, non-loaded, bridged-tapped copper pair CSA loops (refer to “HDSL Deployment Guidelines”...
  • Page 16: Installation

    After unpacking the HTU-C NB/WB for Litespan, inspect it for damage. If damage has occurred, file a claim with the carrier, then contact ADTRAN Customer Service. If possible, keep the original shipping container for returning the unit for repair or for verification of shipping damage.
  • Page 17: Figure 4. Htu-C Card Edge Connections

    J1, Row A J1, Row B J1, Row C Surge Ground Frame Ground Frame Ground Frame Ground Tip 1 Narrowband Test Bus for Loop 1 (tip) Test Bus for Loop 1 (ring) Ring 1 Narrowband Test Bus for Loop 2 (tip) Tip 2 Narrowband Test Bus for Loop 2 (ring) Ring 2 Narrowband...
  • Page 18: Provisioning

    HTU-C NB/WB for Litespan and another line card in the asynchronous T1 line card class or another HTU-C NB/WB for Litespan. If the cross- connected unit is not an HTU-C, then T1 provisioning of the cross-connected unit can be accomplished through the Litespan craft interface port.
  • Page 19: Control Port Operation

    Control Port Operation CONTROL PORT OPERATION The HTU-C NB/WB for Litespan provides a front panel-mounted female DB-9 connector that supplies an RS-232 interface for connection to a controlling terminal. The pinout of the DB-9 is illustrated in Figure 5. The line card must be provisioned through the control port. Switches or jumpers are not provided.
  • Page 20: User Interface

    • Screen Abbreviations Menu Structure The HTU-C NB/WB for Litespan uses a layered menu tree. Each layer of the menu tree is displayed as a menu or a screen. Menu A menu is a display that provides numbered selections that are used to navigate to related menus, modify provisioning information, or display information screens.
  • Page 21: Screen Abbreviations

    User Interface Screen Abbreviations For abbreviations used in the screen diagrams, see Table Table 5. Screen Abbreviations Abbreviation Definition Errored Seconds • DSX/DS1 – SF: Second in which a BPV or frame bit error occurs – ESF: Second in which a BPV or CRC error occurs •...
  • Page 22: Menu Descriptions

    HTU-C using Narrowband/Wideband for Litespan Installation and Maintenance Practice MENU DESCRIPTIONS The following subsections describe the HTU-C NB/WB for Litespan menu screens. Initiate a terminal session by entering multiple space bar characters, which determines the speed of the terminal. Once the speed has been determined, an Introductory menu appears.
  • Page 23 Menu Descriptions Table 6. HTU-C NB/WB for Litespan Main Menu Option Description Function Current System Status This option displays the “Current System Status Screen” on page 16. Performance History This option displays the “Performance History Screen” page 18. Adtran Information This option displays the “Unit Information Screen”...
  • Page 24: Current System Status Screen

    HDSL, DSX-1, and DS1 interfaces. A key to the information provided is found in the center of the screen. Arrows indicate the key applies to both the HTU-C NB/WB for Litespan and HTU-R. Table 7 gives detailed definitions of each indicator of the key.
  • Page 25 Menu Descriptions An indication of pair reversal (if present) appears at the bottom of the first key column. Status and configuration information for the DS1 and DSX-1 signals are located in the center of the screen near the bottom. Table 8 gives the definitions of the status and configuration key items.
  • Page 26: Performance History Screen

    HTU-C using Narrowband/Wideband for Litespan Installation and Maintenance Practice Performance History Screen The Performance History screen is shown in Figure 8. At each 15-minute interval, the perfor- mance information is transferred to the 15-minute performance data register accessed from the Performance History screen. This unit supports the display of performance information in 15-minute increments for the last 24-hour period.
  • Page 27: Unit Information Screen

    Menu Descriptions Unit Information Screen The ADTRAN Unit Information screen is illustrated in Figure 9. The screen lists serial number, CLEI code, and manufacturing date for every unit in the HDSL circuit. CIRCUIT ID: MM/DD/YY hh:mm:ss ADTRAN 901 Explorer Boulevard...
  • Page 28: Self-Test Screen

    HTU-C using Narrowband/Wideband for Litespan Installation and Maintenance Practice Self-Test Screen The Self-Test screen is illustrated in Figure 11. On this screen, press " " to initiate a self-test, and press " " to return the Main Menu. CIRCUIT ID: MM/DD/YY hh:mm:ss SELF-TEST Press “S”...
  • Page 29: Provisioning Menu

    - to return to the main menu Figure 12. Provisioning Menu The HTU-C NB/WB for Litespan stores its provisioning information in an EEPROM so that it remembers the past provisioning changes to determine its operating mode in the event of power loss to the HTU-C NB/WB for Litespan.
  • Page 30: Troubleshooting Display Screen

    HTU-C using Narrowband/Wideband for Litespan Installation and Maintenance Practice Troubleshooting Display Screen The Troubleshooting Display screen, illustrated in Figure 13, graphically depicts an HDSL circuit. The unit reviews red, yellow, and blue alarm conditions in the circuit to automatically predict where a fault is located. Once a fault location is suspected, the corresponding portion of the circuit on the screen is highlighted and a message describing the failure appears.
  • Page 31: Alarm History Screen

    LP1 MRGN LP2 MRGN Press: C to clear history : M for main menu Figure 14. Alarm History Screen The HTU-C NB/WB for Litespan DB-9 control port screen alarms are presented on the following screens: • Alarm History Screen •...
  • Page 32 AID,EQPT:MJ,FAIL,SA The access identifier (CBA slot) The HTU-C NB/WB for Litespan is has a major service-affecting unable to operate normally or has equipment failure. failed a diagnostic test. Refer to the “Troubleshooting”...
  • Page 33: Time/Date/Circuit Id Menu

    Menu Descriptions Time/Date/Circuit ID Menu Use the Time/Date/Circuit ID menu in Figure 15 to set the time, date, and circuit ID. CIRCUIT ID: MM/DD/YY hh:mm:ss SET TIME/DATE/CIRCUIT ID 1) SET TIME 2) SET DATE 3) SET CIRCUIT ID Choose an option by pressing the corresponding number. Press “M”...
  • Page 34: Terminal Modes Screen

    HTU-C using Narrowband/Wideband for Litespan Installation and Maintenance Practice Terminal Modes Screen The Terminal Modes screen in Figure 17 defines the two different terminal modes, Manual Update and Real Time Update. Press “ ” to toggle between the two terminal modes. CIRCUIT ID: MM/DD/YY hh:mm:ss TERMINAL MODES MENU...
  • Page 35: Hdsl Deployment Guidelines

    HDSL Deployment Guidelines HDSL DEPLOYMENT GUIDELINES The ADTRAN HDSL system is designed to provide DS1-based services over loops designed to comply with carrier service area (CSA) guidelines. CSA deployment guidelines are given below. • All loops are nonloaded only. • For loops with 26-AWG cable, the maximum loop length including bridged tap lengths is 9 kft.
  • Page 36 HTU-C using Narrowband/Wideband for Litespan Installation and Maintenance Practice Loop loss per kft for other wire is summarized in Table Table 11. HDSL Loss Values Loop Loss per kft. Cable Gauge Cable Type 68° 90° 120° 3.902 4.051 4.253 Pulp 4.030 4.179 4.381...
  • Page 37 –7 BER. When deploying any of the HTU-C NB/WB for Litespans, the power requirements for the application should also be considered for product mix calculations and maximum number of HTU-C NB/WB for Litespans within a channel bank assembly. Use Worksheet PW-1 in the Engineering and planning section of Alcatel-Lucent practice, OSP TL1 software documen- tation release 7.1, or higher to determine whether a particular combination of channel units...
  • Page 38: Troubleshooting

    The FAIL LED remains on. 1. Verify that the channel bank or ONU BPS FAIL LEDs are off. 2. Verify that the equipment type for the HTU-C NB/WB for Litespan slot is AHT1U. Using TL1, equipment type is shown with the com- mand rtrv-eqpt::AID, where AID is the access identifier (i.e., cot-1-15).
  • Page 39: Maintenance

    MAINTENANCE The HTU-C NB/WB for Litespan requires no routine maintenance for normal operation. ADTRAN does not recommend that repairs be attempted in the field. Repair services may be obtained by returning the defective unit to ADTRAN. Refer to the“Appendix B, Warranty”...
  • Page 40 HTU-C using Narrowband/Wideband for Litespan Installation and Maintenance Practice Table 16. HTU-C NB/WB for Litespan Specifications (Continued) Specification Description Physical Mounting: Litespan 2000 CBA, Litespan 2012 CBA, or an ONU CBA 4.42 in. high × 0.84 in. wide × 10.4 in. deep Dimensions: (11.22 cm ×...
  • Page 41: Hdsl Loopbacks

    Appendix A HDSL Loopbacks HDSL MAINTENANCE MODES This Appendix describes operation of the HDSL system with regard to detection of in-band and ESF facility data link loopback codes. Upon deactivation of a loopback, the HDSL system will synchronize automatically. Note that the synchronization process of the HDSL system upon deactivation of the HRE loopback could take up to 15 seconds, ensuring all system elements are synchronized.
  • Page 42: Loopback Control Codes

    HTU-C using Narrowband/Wideband for Litespan Installation and Maintenance Practice Loopback Control Codes A summary of control sequences is given in Table A-1 and Table A-2. NOTE In all control code sequences presented, the in-band codes are shown left-most bit transmitted first, and the ESF data link codes with right-most bit transmitted first.
  • Page 43 Appendix A, HDSL Loopbacks - HDSL MAINTENANCE MODES Table A-1. HDSL Loopback Control Codes (Continued) Name Source Code (Hex / Binary) (2,3) Wescom (Continued) Customer 3F06/ Loopback data from customer toward customer at HRE 2 0011 1111 0000 0110 Network FF02/ Loopback data from network toward network at HTU-R 1111 1111 0000 0010...
  • Page 44 HTU-C using Narrowband/Wideband for Litespan Installation and Maintenance Practice Table A-2. In-Band Addressable Loopback Codes Function Code (Hex / Binary) Response 11000 (binary) The HTU-R will loop up toward the network. No AIS or (also known errors will be sent as a result of this loopback. The as a 2-in-5 HTU-C and HRE will arm.
  • Page 45 Appendix A, HDSL Loopbacks - HDSL MAINTENANCE MODES Table A-2. In-Band Addressable Loopback Codes (Continued) Function Code (Hex / Binary) Response Query D5D5/ If the units are armed and the HTU-C, HRE, or HTU-R Loopback 1101 0101 1101 0101 are in network loopback, errors are injected into the DSX-1 signal upon detection of the query loopback pattern.
  • Page 46 HTU-C using Narrowband/Wideband for Litespan Installation and Maintenance Practice This page is intentionally blank. 61247002L1-5A...
  • Page 47: Warranty

    Appendix B Warranty WARRANTY AND CUSTOMER SERVICE ADTRAN will replace or repair this product within the warranty period if it does not meet its published specifications or fails while in service. Warranty information can be found at www.adtran.com/warranty. Refer to the following subsections for sales, support, Customer and Product Service (CAPS) requests, or further information.
  • Page 48 ® Carrier Networks Division 901 Explorer Blvd. Huntsville, AL 35806...

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