PairGain T1LIE044AA Скачать руководство пользователя страница 10

Section 350-231-134

Revision 01

8

HLU-231 List 3D

System Settings

The asterisks (*) in the following system settings descriptions indicate the 
factory default settings.

HLU-231 List 3D System Options

Mode

Selection

Description

EQL

EXT*

Selects extended equalizer.

0

Sets the internal equalizer to DSX-1 for 0 - 133 feet.

133

Sets the internal equalizer to DSX-1 for 133 - 266 feet.

266

Sets the internal equalizer to DSX-1 for 266 - 399 feet.

399

Sets the internal equalizer to DSX-1 for 399 - 533 feet.

533

Sets the internal equalizer to DSX-1 for 533 - 655 feet.

ZBTS

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 to respond to the 2 in 5 Smart-Jack 
loopback command.

LBTO

NONE

Disables automatic time-out cancellation of all loopbacks.

 

20

Sets automatic cancellation of all loopbacks to 20 minutes 
after initiation.

 

60 

Sets automatic cancellation of all loopbacks to 60 minutes 
after initiation.

120*

Sets automatic cancellation of all loopbacks to 120 
minutes after initiation.

ALM

DIS*

Opens the relay alarm contacts, if closed, and prevents 
another relay alarm closure from occurring.

ENA

Enables activation of the minor alarm relay when a minor 
alarm condition occurs.

Содержание T1LIE044AA

Страница 1: ...UICK INSTALLATION GUIDE PAIRGAIN TECHNOLOGIES INC SECTION 350 231 134 01 Revision History of this guide Revision 01 November 25 1997 A Initial Release Model List Part Number CLEI Code HLU 231 3D 150 1...

Страница 2: ...isioning 5 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 3D operation when used with and without doublers For applications without doublers the HLU 231 Lis...

Страница 4: ...Section 350 231 134 Revision 01 2 HLU 231 List 3D Features The HLU 231 Line Unit List 3D 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: ...he card guide and the retaining latch locks into place indicating that the unit is properly seated Provisioning The HLU 231 List 3D contains a non volatile RAM NVRAM that stores the system option sett...

Страница 8: ...d parameter and move to the next parameter After you have configured the last parameter the dis play prompts you to confirm the settings 4 Do one of the following Press the SEL button to install the s...

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: ...d addressable repeater in band loopback codes A3LB Configures the HiGain system to respond to the Wescom addressable repeater in band loopback codes A4LB Configures the HiGain system to respond to the...

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: ...cription NONE No Alarms LLOS Local Loss of Signal No signal from HLU 231 local T1 interface RLOS Remote Loss of Signal No signal from HRU remote T1 interface MNR Minor Alrm A minor alarm condition is...

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: ...Revision 01 Section 350 231 134 HLU 231 List 3D 13...

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: ...ts 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 Suppo...

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: ......

Отзывы: