ADTRAN DDM+ H2TU-C Installation And Maintenance Manual

CONTENTS
1. GENERAL ........................................................................ 1
2. INSTALLATION ............................................................. 2
3. CONNECTIONS .............................................................. 3
4. HDSL2 SYSTEM TESTING ........................................... 4
5. FRONT PANEL OPERATION ...................................... 4
6. CONTROL PORT OPERATION .................................... 7
7. HDSL2 DEPLOYMENT GUIDELINES ....................... 18
8. TROUBLESHOOTING PROCEDURES ...................... 19
9. MAINTENANCE ........................................................... 19
10. PRODUCT SPECIFICATIONS ..................................... 19
11. WARRANTY AND CUSTOMER SERVICE ............... 19
Appendix A. HDSL2 Loopbacks ....................................... A-1
Appendix B. Shelf Configuration ....................................... B-1
FIGURES
Figure 1. ADTRAN DDM+ H2TU-C with Display ............ 1
Figure 2. H2TU-C Edge Connector Wiring ......................... 3
Figure 3. H2TU-C Span Powering Diagram ........................ 3
Figure 4. HDSL2 Loopbacks ................................................ 4
Figure 5. RS-232 (DB-9) Pin Assignments .......................... 7
Figure 6. HDSL2 Main Menu Screen ................................... 8
Figure 7. HDSL2 Unit Information Screen .......................... 9
Figure 8. Provisioning Screen .............................................. 9
Figure 9. Span Status Screen .............................................. 10
Figure 10. Detailed Status Screen ........................................ 10
Figure 11. Loopback and Test Commands Screen ............... 11
Figure 12. 15-Minute Performance History Path Data
Screen .................................................................. 12
Figure 13. 60-Minute Performance History Line Data
Screen .................................................................. 13
Figure 14. 24-Hour Performance History Line Data Screen 13
Figure 15. Performance History Data Definitions Screen ... 14
Figure 16. Performance History Data Definitions Screen
(Continued) .......................................................... 14
Figure 17. Circuit ID, Time/Date Screen ............................. 15
Figure 18. Terminal Modes Screen ...................................... 16
Figure 19. Alarm History Screen .......................................... 17
Figure 20. Event History Screen .......................................... 17
Figure 21. Deployment Guidelines ....................................... 18
TABLES
Table 1. Faceplate Indicators ............................................... 2
Table 2. Compliance Codes ................................................. 2
Table 3. Status Condition and Alarm Messages .................. 5
Table 4. Option Setting Parameters ..................................... 6
61222003L1-5A
DDM+ H2TU-C with Display
2-Wire HDSL (HDSL2)
Transceiver Unit for the Central Office
Installation and Maintenance
61222003L1-5, Issue 1
Trademarks: Any brand names and product names included in this document are
trademarks, registered trademarks, or trade names of their respective holders.
Table 5. HDSL2 Loopback Options .................................... 7
Table 6. Screen Abbreviations Defined ............................... 7
Table 7. HDSL2 Loss Values ............................................. 18
Table 8. Loop Insertion Loss Data ..................................... 18
Table 9. Troubleshooting Guide ........................................ 19
Table 10. DDM+ H2TU-C Specifications ........................... 20
Table A-1. HDSL2 Loopback Control Codes ..................... A-2
Table A-2. In-Band Addressable Loopback Codes ............ A-3
MODE SELECT
H
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S
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Figure 1. ADTRAN DDM+ H2TU-C with
Display

1. GENERAL

The ADTRAN DDM+ HDSL2 Transceiver Unit for
the Central Office (H2TU-C) with Display,
P/N 1222003L1, is the Central Office (CO) unit used
to deploy an HDSL2 T1 circuit using two-wire
metallic facilities. The unit occupies one slot in an
®
AT&T DDM+ DS1 Extension shelf. The unit is
illustrated in Figure 1.
Revision History
This is the initial release of this document. Future
revisions to this document will be explained in this
subsection.
Section 61222003L1-5A
Issue 1, July 2001
CLEI # T1L3Y1BA _ _
1222003L1
STATUS
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