PairGain HLU-319 User manual

HIGAIN LINE UNIT
PAIRGAIN TECHNOLOGIES, INC.
ENGINEERING SERVICES TECHNICAL PRACTICE
SECTION 150-319-154-04
Model List Number Part Number CLEI Code
HLU-319 5D 150-1140-54 T1L2B30A
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SETUP
STATUS
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HLU-319
HG HDIAIN
L5D
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150-319-154-04, Revision 04
ii September 29, 1999 HLU-319 List 5D
Revision History of This Practice
© Copyright 1999 PairGain Technologies, Inc.
PairGain andHiGain areregistered trademarks of PairGain Technologies, Inc. All other product namesmentionedin this practice
are used for identification purposes only and may be trademarks or registered trademarks of their respective companies.
Information contained in this document is company private toPairGain Technologies, Inc., and shall not be modified, used, copied,
reproduced or disclosed in whole or in part without the written consent of PairGain.
Information furnished by PairGain Technologies is believed to be accurate and reliable. However, no responsibility is assumed by
PairGain Technologies for its use; nor for any infringement of patents or other rights of third parties which may result from its use.
No license is granted by implication or otherwise under any patent or patent rights of PairGain Technologies. PairGain
Technologies reserves the right to change specifications at any time without notice.
Revision Release Date Revisions Made
01 December 18, 1998 Initial release
02 April 6, 1999 •Remove FRMG option.
•Add 31-day Performance History Screen
•Revise Power Consumption Tables.
03 July 9, 1999 •Firmware enhancements
•Addition of troubleshooting screens
04 September 29, 1999 •Firmware enhancements
•Enhanced troubleshooting screens

150-319-154-04, Revision 04 Using This Technical Practice
HLU-319 List 5D September 29, 1999 iii
USING THIS TECHNICAL PRACTICE
The following conventions are used in this manual:
•Monospace type indicates screen text, including text you type at a screen prompt.
•Keys you press are indicated by small icons such as . Key combinations to be pressed simultaneously
are indicated with a plus sign as follows: + .
•Three types of messages, identified by icons, appear in text.
For a list of abbreviations used in this document, refer to “Appendix E - Glossary” on page 60.
DOCUMENTATION
If you have comments on this PairGain document, send an email to technical_publicatio[email protected]m. Type
the product name and the section number of the document in the subject area of the email message.
INSPECTING THE SHIPMENT
Upon receipt of the equipment:
•Unpack each container and visually 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 PairGain.
Order replacement equipment, if necessary.
•Check the packing list to ensure complete and accurate shipment of each listed item. If the shipment is short
or irregular, contact PairGain as described in the Warranty located inside the back cover. If you must store
the equipment for a prolonged period, store the equipment in its original container.
Notes contain information about special circumstances.
Cautions indicate the possibility of equipment damage or personal injury.
The Electrostatic Discharge (ESD) Susceptibility symbol indicates that a device or assembly is
susceptible to damage from electrostatic discharge.
ENTER
CTRL ESC

Inspecting the Shipment 150-319-154-04, Revision 04
iv September 29, 1999 HLU-319 List 5D

150-319-154-04, Revision 04 Table of Contents
HLU-319 List 5D September 29, 1999 v
TABLE OF CONTENTS
Overview ____________________________________________________________________________ 1
Features..............................................................................................................................................1
Product Enhancements ........................................................................................................1
Standard Features ................................................................................................................2
Compatibility .....................................................................................................................................2
Applications .......................................................................................................................................2
HiGain Doubler Applications..............................................................................................3
Personal Communications System Applications.................................................................3
Front Panel __________________________________________________________________________ 4
Installation___________________________________________________________________________ 8
Verification ........................................................................................................................................9
Verification without a Downstream Device........................................................................9
Verification with a Downstream Device .............................................................................9
Provisioning Requirements..............................................................................................................10
Provisioning_________________________________________________________________________ 10
Using the MODE and SEL Buttons.................................................................................................10
Setting Options through MODE and SEL.........................................................................10
Resetting to Factory Default Values..................................................................................11
Displaying System Parameter Settings..............................................................................11
Disabling an Alarm............................................................................................................11
Loopback Modes ...............................................................................................................11
Using a Maintenance Terminal........................................................................................................12
Connecting to a Maintenance Terminal.............................................................................12
Accessing the Maintenance Terminal Screens..................................................................12
Navigation Keys..................................................................................................12
Maintenance Terminal Main Menu.....................................................................13
Selecting a Maintenance Terminal Function.......................................................14
System Spans.......................................................................................................14
Using the Maintenance Terminal Screens .......................................................................................14
View Span Status Screen...................................................................................................14
Span Status Screen without Doublers .................................................................15
Span Status Screen for Doubler Applications.....................................................15
Set Clock Screen................................................................................................................18
Set Time ..............................................................................................................18
Set Date...............................................................................................................18
Update the HRU Time and Date .........................................................................18

Table of Contents 150-319-154-04, Revision 04
vi September 29, 1999 HLU-319 List 5D
System Settings Screen..................................................................................................... 19
BPVT Option...................................................................................................... 21
BER Option ........................................................................................................ 22
Margin Alarm Threshold Option........................................................................ 22
HDSL Line Voltage Options.............................................................................. 22
Loopback Mode Screen .................................................................................................... 23
Loopback Menu without Doubler....................................................................... 24
Loopback Menu for Doubler Applications......................................................... 24
Initiating a Loopback.......................................................................................... 25
Disabling a Loopback......................................................................................... 25
View Performance Data Screen........................................................................................ 26
Performance Data Screen without Doubler........................................................ 27
Performance Data Screen for Doubler Applications.......................................... 27
View Performance History Screen (7-Day and 31-Day) .................................................. 28
Performance History Screen without Doubler.................................................... 28
Performance History Screen for Doubler Applications (7-Day and 31-Day) .... 29
View Alarm History Screen.............................................................................................. 30
Alarm History Screen without Doubler.............................................................. 31
Alarm History Screen for Doubler Applications................................................ 31
System Inventory Screen .................................................................................................. 32
System Inventory Screen without Doubler......................................................... 33
System Inventory Screen for Doubler Applications........................................... 33
View Troubleshooting Screen........................................................................................... 34
Troubleshooting _____________________________________________________________________ 38
System Alarms................................................................................................................................. 38
Alarm Option for Digital Loop Carrier (DLC) Feed ........................................................ 39
Retiring System Alarms.................................................................................................... 39
Self Test ............................................................................................................................ 39
Loopback Operation........................................................................................................................ 39
A5LB Loopback Commands ............................................................................................ 40
Manual Loopback Session ................................................................................................ 41
Setting the Loopback Time-out Option.............................................................. 41
Initiating a Manual Loopback Session ............................................................... 42
Loopback Test Procedure................................................................................................................ 43
General Troubleshooting Tips .......................................................................................... 43
A5LB Test Procedure........................................................................................................ 44

150-319-154-04, Revision 04 Table of Contents
HLU-319 List 5D September 29, 1999 vii
Appendix A - Specifications____________________________________________________________ 46
HDSL Insertion Loss Guidelines.....................................................................................................47
Power Consumption.........................................................................................................................47
Power Consumption without Doublers..............................................................................47
Power Consumption with Doublers...................................................................................48
Maximum Power Dissipation...........................................................................................................50
Maximum Current Drain..................................................................................................................50
HLU-319 Card-edge Connector.......................................................................................................51
Network Management Control Bus...................................................................................51
Fuse Alarm ........................................................................................................................51
System Alarm Output........................................................................................................52
Craft Port..........................................................................................................................................53
Appendix B - Functional Operation _____________________________________________________ 54
Timing..............................................................................................................................................55
Ground Fault Detect.........................................................................................................................55
Appendix C - Compatibility ___________________________________________________________ 56
T1 Repeater Shelves and Related Equipment..................................................................................56
HiGain Doubler Circuit Deployment...............................................................................................56
Appendix D - Product Support _________________________________________________________ 58
Technical Support............................................................................................................................58
World Wide Web .............................................................................................................................58
Returns.............................................................................................................................................58
Appendix E - Glossary________________________________________________________________ 60
Certification and Warranty______________________________________________ Inside Back Cover

List of Figures 150-319-154-04, Revision 04
viii September 29, 1999 HLU-319 List 5D
LIST OF FIGURES
1. HLU-319 List 5D Front Panel........................................................................................................................ 4
2. Installing the HLU-319 into a Shelf ............................................................................................................... 8
3. Maintenance Terminal Main Menu .............................................................................................................. 13
4. System Spans................................................................................................................................................ 14
5. Span Status Screen: No Doubler................................................................................................................... 15
6. Span Status Screen: Four Doublers (Span 5)................................................................................................ 15
7. Set Clock Screen........................................................................................................................................... 18
8. System Settings Screen................................................................................................................................. 19
9. Loopback Menu: No Doubler....................................................................................................................... 24
10. Loopback Menu: Four Doublers................................................................................................................... 24
11. NLOC Loopback Mode Reported in the Maintenance Terminal Main Menu.............................................. 25
12. Performance Data Screen: No Doubler......................................................................................................... 27
13. Performance Data Screen: Four Doublers (Span 5)...................................................................................... 27
14. 7-Day Performance History Screen: No Doubler......................................................................................... 28
15. 31-Day Performance History Screen: Four Doublers (Span 5).................................................................... 29
16. Alarm History Screen: No Doubler.............................................................................................................. 31
17. Alarm History Screen: Four Doublers (Span 5) ........................................................................................... 31
18. System Inventory Screen: No Doubler......................................................................................................... 33
19. System Inventory Screen: Four Doublers..................................................................................................... 33
20. Troubleshooting Screen for an Operational System..................................................................................... 34
21. Troubleshooting Screen Identifying Circuit Problems................................................................................. 34
22. Troubleshooting with Help........................................................................................................................... 35
23. Troubleshooting with Margin Values........................................................................................................... 36
24. Troubleshooting with Insertion Loss Values................................................................................................ 36
25. Troubleshooting with Errored Seconds Values ............................................................................................ 37
26. Troubleshooting with Unavailable Seconds Values..................................................................................... 37
27. Loopback Summary...................................................................................................................................... 39
28. Supported Loopback Configurations............................................................................................................ 43
29. HLU-319 List 5D Card-edge Connector ...................................................................................................... 51
30. RS-232 Craft Port Pinouts ............................................................................................................................ 53
31. HLU-319 Block Diagram ............................................................................................................................. 54

150-319-154-04, Revision 04 List of Tables
HLU-319 List 5D September 29, 1999 ix
LIST OF TABLES
1.Front Panel Description....................................................................................................................................5
2.Front Panel Display Messages..........................................................................................................................6
3.Navigational Keys on the Maintenance Terminal..........................................................................................12
4.Maintenance Terminal Screens ......................................................................................................................13
5.Span Status Fields and Descriptions...............................................................................................................16
6.HDSL System Alarms....................................................................................................................................17
7.Loopback Messages........................................................................................................................................17
8.HLU-319 System Settings..............................................................................................................................20
9.Loopback Field Messages and Descriptions ..................................................................................................23
10.Errored and Unavailable Seconds Definitions ...............................................................................................26
11.Alarm History Fields and Descriptions..........................................................................................................30
12.HDSL System Alarms....................................................................................................................................38
13.Summary of HiGain Loopback Codes ...........................................................................................................40
14.Addressable Repeater Loopback Commands.................................................................................................44
15.HDSL Loss Over Cables................................................................................................................................47
16.Power Parameters—No Doubler....................................................................................................................47
17.Power Parameters—Single Doubler (HDU-451 List 1 or 2)..........................................................................48
18.Power Parameters—Single Doubler (HDU-439 or HDU-437 Lists 1 and 1B)..............................................48
19.Power Parameters—Single Doubler (HDU-404 List 2, HDU-407 List 2, and HDU-409 List 2)..................48
20.Power Parameters—Two Doublers (HDU-451 List 3, 4, 3B or 4B)..............................................................49
21.Power Parameters—Two Doublers (HDU-439 or HDU-437 Lists 1 and 1B)...............................................49
22.Power Parameters—Two Doublers (HDU-404 List 2, HDU-407 List 2, and HDU-409 List 2)...................49
23.Power Parameters—Three or Four Doublers (HDU-404 List 2, HDU-407 List 2, and HDU-409 List 2)....49
24.HiGain Doubler Deployment Matrix..............................................................................................................57

List of Tables 150-319-154-04, Revision 04
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