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HDSL4
HDSL4
USER MANUAL
H4TU-C-319 List 1 Line Unit
Product Catalog: H4TU-C-319-L1
CLEI: VACJNUNE
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LTPH-UM-1031-03, Issue 3 Revision History of This Manual To order copies of this document, use document number LTPH-UM-1031-03. Issue Release Date Revisions Made 1 April 30, 2001 Initial release. 2 March 15, 2002 Include BERT and doublers. Updated pulse attenuation section. 3 September 12, 2003 Added “Maximum Loop Attenuation” to Appendix A - Specifications. Copyright September 12, 2003 © 2003 ADC DSL Systems, Inc. All rights reserved. Trademark Information ADC is a registered trademark of AD
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LTPH-UM-1031-03, Issue 3 Using This Manual USING THIS MANUAL The following conventions are used in this manual: • Monospace type indicates screen text. • Keys you press are indicated by small icons such as Y or ENTER . Key combinations to be pressed simultaneously are indicated with a plus sign as follows: CTRL + ESC . • Items you select are in bold. • Three types of messages, identified by icons, appear in text. Notes contain information about special circumstances. Cautions indicate the possi
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Inspecting Shipment LTPH-UM-1031-03, Issue 3 iv September 12, 2003 H4TU-C-319 List 1
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LTPH-UM-1031-03, Issue 3 Table of Contents TABLE OF CONTENTS Overview ____________________________________________________________________________ 1 Features ..............................................................................................................................................1 Applications .......................................................................................................................................2 Front Panel ____________________________________
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Table of Contents LTPH-UM-1031-03, Issue 3 System Alarms................................................................................................................................. 42 Alarm Option for DLC Feed............................................................................................. 44 Retiring System Alarms .................................................................................................... 44 Remote LOS and AIS Response .................................
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LTPH-UM-1031-03, Issue 3 List of Figures LIST OF FIGURES 1. H4TU-C-319 List 1 Front Panel......................................................................................................................3 2. Installing the H4TU-C-319 List 1 into a Shelf................................................................................................8 3. Logon Screen..................................................................................................................................
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List of Tables LTPH-UM-1031-03, Issue 3 LIST OF TABLES 1. Front-Panel Description .................................................................................................................................. 4 2. Front-Panel Display Messages........................................................................................................................ 5 3. Navigational Keys for the Maintenance Terminal Screens ......................................................................
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LTPH-UM-1031-03, Issue 3 Overview OVERVIEW ® The H4TU-C-319 List 1 is the Central Office (CO) side of a T1 transmission system. The ADC four-wire HDSL2 product family (hereafter referred to as “HDSL4”) is based on the HDSL4 standard ANSI T1.418 Issue 2. The H4TU-C, when used with an H4TU-R remote unit, transmits a 1.544 Mbps payload up to a maximum distance of 12 kft. over two unconditioned copper pairs. Using two doublers (H4Ds), the Carrier Service Area (CSA) reach can be extended to a max
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Overview LTPH-UM-1031-03, Issue 3 • Both doubler and non-doubler applications are compatible with ADSL services in same binder group • Configuration options — Selectable DSX-1 pre-equalizer — Bipolar Violation Transparency (BPVT) — Bit Error Rate (BER) alarm — Power Back Off Network (PBON) and Power Back Off Customer (PBOC) options for configuring HDSL4 transmit power levels — Loss of Signal/Alarm Indication Signal (LOS/AIS) payload alarm — Remote provisioning — Concurrent detection of all loo
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LTPH-UM-1031-03, Issue 3 Front Panel FRONT PANEL Figure 1 shows the H4TU-C-319 List 1 front panel. Table 1 on page 4 describes the front-panel components. For a list of front-panel display messages, refer to Table 2 on page 5. For pinout diagrams of the H4TU-C card-edge connector and craft port, refer to Figure 32 on page 62 and Figure 33 on page 63, respectively. H 4 Front-panel display T U * List number C MODE and SEL pushbuttons 3 1 1 9 SETUP M Status LED S O E D L E STATUS B R G Card handl
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Front Panel LTPH-UM-1031-03, Issue 3 Table 1. Front-Panel Description Front-Panel Feature Function Front-panel display Displays four-character status, provisioning, and alarm system messages. The front-panel display illuminates when power is initially applied. To conserve power the display only remains on for 5 minutes. Using the MODE or SEL pushbuttons reactivates the display and restarts the 5-minute timer. Refer to Table 2 on page 5 for a listing of the four-character messages. List numb
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LTPH-UM-1031-03, Issue 3 Front Panel Table 2 lists the front-panel display messages. The four-character display reports the code of an alarm, loopback, or diagnostic message and, in some cases, is followed by a second four-character message that modifies the first message with a value or current configuration setting. Table 2. Front-Panel Display Messages Message Full Name Description ALARM MESSAGES ACO Alarm Cutoff A system alarm has occurred, and has been retired to an ACO condition by pres
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Front Panel LTPH-UM-1031-03, Issue 3 Table 2. Front-Panel Display Messages (Continued) Message Full Name Description LOOPBACK MESSAGES CDU1 Customer Doubler 1 Loopback DS1 signal from customer is looped back to the customer at H4D1 (111100). CDU2 Customer Doubler 2 Loopback DS1 signal from customer is looped back to the customer at H4D2 (111110). CLOC Customer Local Loopback DS1 signal from customer is looped back to the customer at the H4TU-R. COLB Central Office Loopback Dual loopback at th
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LTPH-UM-1031-03, Issue 3 Front Panel Table 2. Front-Panel Display Messages (Continued) Message Full Name Description FRM xxxx Frame: SF, ESF, UNFR Defines the type of frame pattern being received from the DSX-1: SuperFrame (SF), Extended SuperFrame (ESF), or Unframed (UNFR). CODE xxxx Line Code: AMI, B8ZS The line code that the H4TU-C is receiving at its DSX-1 interface, if the DS1 option is set to AUTO. Otherwise, it mimics either of the other two DS1 line codes: Alternate Mark Inversion (A
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Installation LTPH-UM-1031-03, Issue 3 INSTALLATION Upon receipt of the equipment, inspect the contents for signs of damage. If the equipment has been damaged in transit, immediately report the extent of damage to the transportation company and to ADC. H4TU-C-319 CO shelf Figure 2. Installing the H4TU-C-319 List 1 into a Shelf When installing an H4TU-C in a chassis, be sure to wear an antistatic wrist strap. Avoid touching components on the circuit board. To comply with the intrabuilding wiri
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LTPH-UM-1031-03, Issue 3 Installation VERIFICATION Once the H4TU-C is installed, verify that it is operating properly. To do this, monitor the following: • Status LED • Status messages reported by the front-panel display (see Table 2 on page 5) Verification without a Downstream Device If there is no downstream device installed: 1 Verify that the H4TU-C powers up. The front-panel display illuminates and reports status messages. (See Table 2 on page 5 for a list of messages.) 2 Verify that the H4
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Provisioning LTPH-UM-1031-03, Issue 3 PROVISIONING There are two methods for provisioning: • Use the MODE and SEL pushbuttons on the front panel of the H4TU-C to: — Set system options — Reset the H4TU-C to its factory default settings for system options — Display system option settings (scroll mode) — Select system loopbacks • Use a maintenance terminal (ASCII terminal or a PC running terminal emulation software) connected to the H4TU-C craft port (or to an HMU craft port) to access the maint
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LTPH-UM-1031-03, Issue 3 Provisioning Resetting to Factory Default All user options for the H4TU-C-319 List 1 (Table 5 on page 19) can be set to the factory default values using the MODE and SEL pushbuttons. To set the user options to their default values: 1 Press the SEL pushbutton for 6 seconds until the following message appears: DFLT NO 2 Press the SEL pushbutton while the DFLT NO message is displayed. The message changes to DFLT YES indicating the factory default values are now in effect
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Provisioning LTPH-UM-1031-03, Issue 3 USING A MAINTENANCE TERMINAL Connecting to a Maintenance Terminal The craft port on the front panel allows you to connect the H4TU-C-319 to a maintenance terminal (ASCII terminal or PC running a terminal emulation program). Once connected to a maintenance terminal, you can access the maintenance, provisioning, and performance screens. To connect to a maintenance terminal: 1 Connect a standard 9-pin terminal cable to the RS-232 craft port (Figure 1 on pa
