PairGain HLU-431 Quick Installation Manual Download Page 6 | Manualshive

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Product Overview

350-431-116-01, Revision 01

2

January 8, 1999

HLU-431 List 1F

•

HRE-425, Twelve-slot indoor

•

HRE-450, Single-slot outdoor

•

HRE-454, Four-slot outdoor

•

HUE-443, three-slot indoor

P

RODUCT

D

ESCRIPTION

shows the front panel of the HLU-431 List 1F, and

Table 2 on page 3

describes the various front panel functions.

Table 2 on page 3

describes the

LED functions.

Figure 1.

HLU-431 List 1F Front Panel

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Summary of Contents for HLU-431

Page 1: ...HIGAIN LINE UNIT QUICK INSTALLATION GUIDE PAIRGAIN TECHNOLOGIES INC ENGINEERING SERVICES 350 431 116 01 SECTION 350 431 116 01 Model List Number Part Number HLU 431 1F 150 1504 16...

Page 2: ...in this document is company private to PairGain Technologies Inc and shall not be modified used copied reproduced or disclosed in whole or in part without the written consent of PairGain Other product...

Page 3: ...NSPECTING SHIPMENT Upon receipt of the equipment Visually inspect it for any signs of shipping damage Immediately report any damage to the shipping agent Check the packing list to ensure complete and...

Page 4: ...SEL and Mode Front Panel Buttons 6 Default Settings 7 Using the Craft port 7 System Options Settings 9 Testing_________________________________________________12 Doubler Applications 12 Alarms 13 Loo...

Page 5: ...two cable pairs For doubler applications one doubler may be used in the HDSL loops between the HLU 431 List 1F and the HRU Figure 1 on page 2 shows the front panel of the HLU 431 List 1F Table 2 on p...

Page 6: ...HRE 450 Single slot outdoor HRE 454 Four slot outdoor HUE 443 three slot indoor PRODUCT DESCRIPTION Figure 1 shows the front panel of the HLU 431 List 1F and Table 2 on page 3 describes the various f...

Page 7: ...T1 payloads to be monitored Craft RS 232 port Provides bidirectional communication between the unit and an external terminal to allow configuration and performance monitoring through the Maintenance...

Page 8: ...Product Overview 350 431 116 01 Revision 01 4 January 8 1999 HLU 431 List 1F Figure 2 shows the card edge connector pinouts Figure 2 Card edge Connector Pinouts...

Page 9: ...nto a shelf 1 Slide the unit into the shelf card guides for the desired slot 2 Push the unit in until it touches the backplane card edge connector and the retaining latch on the front panel opens 3 Pl...

Page 10: ...hen HiGain is the transport system between utility company power substations which must be isolated from the cable pair to avoid damage from Ground Potential Rise GPR faults PROVISIONING The HLU 431 L...

Page 11: ...the DFLT NO message appears 2 Press the SEL button again DFLT YES displays indicating the factory default values are now in effect To terminate the DFLT mode without setting the factory default values...

Page 12: ...ter to be changed Each entry of this letter scrolls the parameter to its next value After all selections have been made press to exit and to confirm the changes This activates the new choices and retu...

Page 13: ...rors on either HDSL loop or a total of 17 BPVs and FERR occur within a 24 hour period 170 Activates the alarm input signal to the LITESPAN microprocessor and flashes the red STATUS LED when 170 ES 170...

Page 14: ...iGain system to respond to the Teltrend addressable repeater in band loopback codes A3LB Configures the HiGain system to respond to the Wescom addressable repeater in band loopback codes A4LB Configur...

Page 15: ...signal at both the HLU and HRU T1 output ports when both of the HDSL loops are not in sync LOSW 1LP Causes HiGain to transmit the AIS signal at both the HLU and HRU T1 output ports when either of the...

Page 16: ...on for 5 minutes if neither the MODE or SEL buttons are pressed The use of either button activates the four character display and restarts the 5 minute power control timer DOUBLER APPLICATIONS The lo...

Page 17: ...r 2 has lost sync H1ES or H2ES HDSL Loop 1 or 2 Errored Second Loop 1 or 2 CRCs have exceeded the user selected ES threshold DS1 Digital Service 1 DS1 input BPVs at the HRU have exceeded the user sele...

Page 18: ...ted by upstream in band codes or from the maintenance terminal CLOC Customer Local Loopback Loopback at HRU local toward CI initiated from CPE customer by in band codes or from the maintenance termina...

Page 19: ...350 431 116 01 Revision 01 Testing HLU 431 List 1F January 8 1999 15 Figure 4 Loopback Functions...

Page 20: ...establish synchronization over each of Loops 1 or 2 of Span 1 A2L1 or 2 a Acquisition 2 Loop 1 or Loop 2 The first HDU and the HRU multiplexers are trying to establish synchronization with each other...

Page 21: ...esponse from HRU The HLU does not receive any response from the HRU Thus the HRU s integrity is questionable VER HLU Software Version Displays during the System Settings review mode Depress the MODE b...

Page 22: ...utility substation or on a high voltage tower The maximum input voltage that the dc to dc converter can tolerate is 150V which makes it compatible with the HLU 431 List 1F whose maximum output voltage...

Page 23: ...9 19 APPENDIX A SPECIFICATIONS Maximum Power Consumption 14W without doubler 18W with doubler Maximum Heat Dissipation 6W without doubler 7W with doubler Mounting 400 mechanics Dimensions Height 5 6 i...

Page 24: ...r technical assistance is handled by an on duty Customer Service Engineer through a callback process This process normally results in a callback within 30 minutes of initiating the request BBS In addi...

Page 25: ...airGain Customer Service to ask for a Return Material Authorization RMA number and any additional instructions Use the telephone or fax number listed below Telephone 800 370 9670 Fax 714 730 2961 3 In...

Page 26: ...umber you received from Customer Service clearly on the outside of the carton PairGain Technologies Inc 14352 Franklin Ave Tustin CA 92780 7013 Attention CRF RMA Number If the equipment is defective p...

Page 27: ...nal CLEI Common Language Equipment Interface LOSW Loss of Sync Word CO Central Office MAL Margin Alarm COM Communications MNGD Managed CPE Customer Premises Equipment NVRAM Non volatile Random Access...

Page 28: ......

Page 29: ...unit without cost during this period if the unit is found to be defective for any reason other than abuse or incorrect use or installation Do not try to repair the unit If it fails replace it with an...

Page 30: ...Corporate Office 14402 Franklin Avenue Tustin CA 92780 Tel 714 832 9922 Fax 714 832 9924 For Technical Assistance 800 638 0031...

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