PairGain HiGain HDU-217, Manual

Page 1: ...1 T1R5AS0EAA HDU 219 1 150 1501 01 T1R5AR0EAA HCC 239 1 150 1550 01 N A PAIRGAIN TECHNOLOGIES INC ENGINEERING SERVICES TECHNICAL PRACTICE SECTION 150 219 100 02 Revision History of this practice Revis...

Page 2: ...ies Inc Information contained 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 con...

Page 3: ...________________6 Inspecting Your Shipment 6 Installing the Mini Doubler 6 Installing and Removing the Cut Through Card 13 Locating Doubler Unit Enclosures 15 TESTING THE UNIT ________________________...

Page 4: ...7 219 and HCC 239 List 1 USING THIS TECHNICAL PRACTICE Two types of messages identified by icons appear in the text A note informs you of special circumstances Cautions indicate the possibility of dam...

Page 5: ...ingle pair doubler units in mini repeater packages Each extends the range of a HiGain repeaterless fractional T1 transmission system HDU 217 and HDU 219 HiGain Mini Doubler features include Figure1 Fr...

Page 6: ...oubler units occupy one slot of the original DDS or ISDN repeater apparatus case these slots are about twice the width of a 239 T1 repeater All HiGain modules comply with the applicable requirements o...

Page 7: ...der group A list of HDSL signal cable losses for various cable gauges at 196 kHz and 135 Ohms is shown in Table 1 The table applies to the HDSL cable pair between the HLU D41 and the HDU as well as be...

Page 8: ...s Line Output DC Resistive Signature 25 Ohms Startup Time per span 15 seconds typical 30 seconds maximum Line Clock Rate Internal Stratum 4 clock Maximum Power Consumption 3 6 watts Maximum Provisioni...

Page 9: ...res Complies with Section 10 2 1 3 of TA NWT 001210 Operating Elevation 200 feet 60 96 m below sea level to 13 000 feet 3 96 km above sea level Dimensions HDU 217 Single slot of original DDS IDSN Repe...

Page 10: ...g Proper connections Grounding Line and local power All wiring external to the product s should follow the provisions of the current edition of the National Electrical Code Once the HDU 217 or HDU 219...

Page 11: ...on Full solar load is equal to the maximum sunlight exposure as defined in TR TSY 000057 The capacities listed for the indoor enclosures in Table 1 assume no solar load The capacities listed for the o...

Page 12: ...n be installed in the same apparatus case with the doubler unit If this method is used the maximum number of doubler units that can occupy the same case with the standard repeaters must be reduced by...

Page 13: ...llow cover which cannot accommodate the HDU 219 length However the 818 case can be used if the shallow cover is replaced by the deeper cover of the 819 apparatus case The doubler unit capacity deploym...

Page 14: ...819 4 per chamber 8 total 25 1 5 11 14 15 18 22 25 AT T Outdoor 841 cabinet 27A B C or D shelf 8 per shelf 32 total 25 per shelf 100 total 1 5 11 14 15 18 22 25 AT T Outdoor cabinet 809 5 12 1 5 8 10...

Page 15: ...12 1 4 7 10 7130 25FP 6 25 1 4 7 10 18 28 Requires removing the metal slot separator Slot numbers refer to the slots into which a doubler unit may be inserted to access its four network cable pairs 6...

Page 16: ...7 Doubler Capacity DDS Repeater Capacity Recommended Slot Assignment for Maximum Capacity SPC Outdoor canister pole wall mount 7130 0656 2 6 1 6 or 3 4 7130 0856 4 8 1 4 7 16 7130 1656 6 16 1 4 7 10 1...

Page 17: ...9 installation may be purchased from PairGain A package of 25 HCC 239 cut through cards PairGain part number 150 1550 01 is also available if this cut through feature is needed in other doubler instal...

Page 18: ...ollows 1 Grip the end of the tool and insert the tool into the slot cavity containing the HCC 239 card 2 Carefully insert the tool hook into the removal hole in the card 3 Align the hook along the ope...

Page 19: ...is also 35 dB 2 If rule 1 is not applicable no customers 105 dB away then try to make all spans the same electrical length same 196 kHz loss This minimizes the maximum span loss and assures maximum o...

Page 20: ...module Solid green HDSL frame synchronization has been achieved between the HDU and both the upstream and downstream modules Flashing red once per second HDSL Cyclic Redundancy Check CRC error has occ...

Page 21: ...in the doubler The loopbacks can be initiated from the HLU RS 232 Craft port the HLU front panel buttons or from a family of Special Loopback SPLP in band loopback commands The loopback command set i...

Page 22: ...Section 150 219 100 02 December 22 1997 Page 18 HDU 217 219 and HCC 239 List 1 Figure 5 HiGain Loopbacks...

Page 23: ...100 V to 200 Vdc between pins 5 or 6 and 8 or 9 This voltage peaks every 15 seconds as the HLU powers up If less than 130 Vdc is present check the cabling or the HLU Only the line units mentioned in t...

Page 24: ...ance 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 In addition PairGain maintain...

Page 25: ...original shipment given proper installation and regular maintenance PairGain will repair or replace any unit without cost during this period if the unit is found to be defective for any reason other...

Page 26: ...ough Card HCDS High Capacity Digital Service HDSL High bit rate Digital Subscriber Line HDU HiGain Doubler Unit HLU HiGain Line Unit HRU HiGain Remote Unit ISDN Integrated Services Digital Network KBP...

Page 27: ...December 22 1997 Section 150 219 100 02 HDU 217 219 and HCC 239 List 1 Page 23...

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