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Section 350-231-164

Revision 01

ii

HLU-231 List 6D

Table of Contents

Introduction ........................................................................... 1

Features ............................................................................ 2

Compatibility ................................................................... 3

Installation ............................................................................. 4

HLU-231 Card-Edge Connectors  .................................... 4

Installing the HLU-231  .................................................... 5

Provisioning ........................................................................... 6

Using the SEL and MODE Front Panel Buttons  ............. 6

Default Settings ................................................................ 6

Using the Craft port  ......................................................... 7

System Settings ................................................................ 8

Testing .................................................................................. 11

Alarms ............................................................................ 11

Loopbacks ...................................................................... 12

Four-Character Diagnostic Messages  ............................ 14

Specifications ....................................................................... 16

Documentation .................................................................... 16

Technical Support  ............................................................... 16

Bulletin Board Services  ................................................. 17

Copyright © 1997 PairGain Technologies, Inc. 
PairGain and HiGain are registered trademarks of PairGain Technologies, Inc.

Содержание HLU-231

Страница 1: ...UICK INSTALLATION GUIDE PAIRGAIN TECHNOLOGIES INC SECTION 350 231 164 01 Revision History of this guide Revision 01 November 25 1997 A Initial Release Model List Part Number CLEI Code HLU 231 6D 150 1...

Страница 2: ...isioning 6 Using the SEL and MODE Front Panel Buttons 6 Default Settings 6 Using the Craft port 7 System Settings 8 Testing 11 Alarms 11 Loopbacks 12 Four Character Diagnostic Messages 14 Specificatio...

Страница 3: ...a complete HiGain High bit rate Digital Subscriber Line HDSL system This guide addresses HLU 231 List 6D operation when used with and without doublers For applications without doublers the HLU 231 Lis...

Страница 4: ...Section 350 231 164 Revision 01 2 HLU 231 List 6D Features The HLU 231 Line Unit List 6D front panel features are...

Страница 5: ...tional settings and alarms System option buttons MODE and SEL Select buttons used to set system modes Status LED Tri color LED that indicates system state Green Normal Operation Flashing Green HDSL Ac...

Страница 6: ...rd Edge Connectors The HLU 231 card edge connector pinouts are shown below The following rules apply to the HLU 231 card edge connector If the shelf uses pin 23 remove resistor R39 from the HLU 231 bo...

Страница 7: ...HLU 231 To install the HLU 231 into a PairGain shelf slide the unit into the shelf card guides for the desired slot then push the unit in until it is entirely within the card guide and the retaining l...

Страница 8: ...g 2 Press the SEL button to step the display through all possible settings one at a time of the parameter being displayed 3 Press the MODE button to select the desired parameter and move to the next p...

Страница 9: ...VT Terminal Emulation 2 Use a serial cable to connect the RS 232 COM port on the dumb terminal to the HLU 231 front panel Craft port 3 On each screen enter the key represented by the letter in parent...

Страница 10: ...ON Selects the Extended Superframe ESF frame ZBTSI mode OFF Deslects the ESF frame ZBTSI mode LPBK DIS Configures the HLU 231 to ignore the 2 in 5 Smart Jack loopback command ENA Enables the HLU 231 t...

Страница 11: ...gures the HiGain system to respond to the Wescom addressable repeater in band loopback codes A4LB Configures the HiGain system to respond to the Wescom Mod 1 addressable repeater in band loopback code...

Страница 12: ...s HiGain to operate in an unframed mode This mode disables the auto framing process and forces HiGain to function as a transparent bit pipe HAIS 2LP Causes HiGain to transmit the Alarm Indication Sign...

Страница 13: ...ges Message Full Name Description NONE No Alarms LLOS Local Loss of Signal No signal from HLU 231 local T1 inter face RLOS Remote Loss of Signal No signal from HRU remote T1 interface LOSW1or LOSW2 Lo...

Страница 14: ...m in band codes or from the dumb terminal NLOC Network Local Loopback Loopback at HLU toward the network initi ated by upstream in band codes or from the dumb terminal CLOC Customer Local Loopback Loo...

Страница 15: ...nd codes or the main tenance terminal NDU2 Network Doubler 2 Loopback The loopback at doubler 2 toward the net work initiated by in band codes or the main tenance terminal CDU1 Customer Doubler 1 Loop...

Страница 16: ...op or Loop 3 The 2nd Doubler and HRU transceivers are trying to establish contact with each other on loops 1 or 2 of span 3 ACQ1 or ACQ2 Acquisition 1 or Acquisition 2 The HLU and HRU multiplexers are...

Страница 17: ...ther HDSL pair in span 1 BAD RT No response from HRU The HLU does not receive any response from the HRU Thus the HRU s integrity is questionable VER HLU Software Version This is displayed during the S...

Страница 18: ...ents on any PairGain documentation send mail to technical_publications pairgain com Type the product name and the sec tion number of the document in the subject area of the email message Technical Sup...

Страница 19: ...ard system for obtaining current information on PairGain products product troubleshooting tips and aids accessing helpful utilities and for posting requests or questions This system is available 24 ho...

Страница 20: ......

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