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150-420-112-01

December 22, 1997

Revision 01

HRE-420 List 1B

PairGain Engineering - Plant Series

 1

O

VERVIEW

The PairGain

®

 HiGain

®

 Remote Indoor Enclosure model HRE-420 List 1B 

(

Figure 1

) includes the following features :

A wall mount section and cover

The RJ-48C DS1 interface connectors

A 1-slot wall mounted enclosure that accepts one HiGain 400-mechanics 
Remote Unit (model HRU-412 List 8B)

Figure 1.

HRE-420 Enclosure (Rear View)

Wall Mount

The wall mount has a printed circuit board that connects the card-edge 
connector to terminal block TB1 and to an RJ-48 connector:

TB1 is a 10-position terminal block that provides access to all interface 
signal (HDSL and DS1) connections plus battery and ground. A rear 
panel punch-out labeled LEC (Local Exchange Carrier) provides cable 
access to TB1.

The RJ-48 connector is configured as a non-shorting RJ-48C.

Summary of Contents for HiGain HRE-420 List 1B

Page 1: ...URE PAIRGAIN TECHNOLOGIES INC ENGINEERING SERVICES TECHNICAL PRACTICE SECTION 150 420 112 01 Revision History of This Practice Revision 01 December 22 1997 A Initial Release Model List Number Part Num...

Page 2: ...n Technologies 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...

Page 3: ...airGain Engineering Plant Series iii USING THIS MANUAL Two types of messages identified by icons appear in the text Notes contain information about special circumstances Cautions indicate the possibil...

Page 4: ...Wall Mount 1 Cover 2 Installation Options and Wiring_____________________________2 List of Material 2 Mounting 3 Wiring 4 Installing the HRU 7 Specifications 7 Certification and Warranty ____________...

Page 5: ...cepts one HiGain 400 mechanics Remote Unit model HRU 412 List 8B Figure 1 HRE 420 Enclosure Rear View Wall Mount The wall mount has a printed circuit board that connects the card edge connector to ter...

Page 6: ...ach HRE 420 List 1B Tamper Proof Screw The tamper proof screw can replace the factory provided blade securing screw shown in Figure 2 This screw requires an Allen key wrench available on request to in...

Page 7: ...ed with a securing screw for added security Three holes are located on the mounting plate for securing the unit to a vertical surface To wall mount the HRE 420 List 1B 1 Select a location that will al...

Page 8: ...eries HRE 420 List 1B 4 Attach the plate securely to the wall Wiring Figure 3 shows the HRE 420 List 1B printed circuit board and TB1 pin assigments Figure 3 shows the HRE 420 List 1B pinout connectio...

Page 9: ...power is required connect 48 V to TB1 2 and power return CKT GND to TB1 1 Figure 4 The wall mount plate has a printed circuit board which connects the card edge connector to terminal block TB1 The lug...

Page 10: ...HRU DS1 CPE interface ports can be connected to either the RJ 48C see Figure 5 located on the rear panel of the HRE 420 or directly to TB1 If TB1 is used connect the DS1 output from the CPE XMT to TB1...

Page 11: ...the edge connector as shown in Figure 6 It should be seated firmly in the connector Refer to the appropriate PairGain HRU Technical Practice for further information on using the HRU Figure 6 Wall Mou...

Page 12: ...on If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interfere...

Page 13: ...the Buyer When the equipment is shipped back to the Buyer PairGain will pay the charges unless no trouble is found NTF in which case the buyer will pay for the shipment PairGain may use reconditioned...

Page 14: ...uty Customer Service Engineer returns technical assistance calls within 30 minutes Returns To return equipment to PairGain 1 Locate the number of the purchase order under which the equipment was purch...

Page 15: ...or returning the equipment please let us know so we can determine how best to help you 4 Pack the equipment in a shipping carton 5 Write PairGain s address and the Return Material Authorization Number...

Page 16: ...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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