Section 100-421-100
Revision 05
Page 2
1. DESCRIPTION AND FEATURES
1.01
This Data Sheet describes installation of the
HiGain HRE-421 Mounting Enclosure for
HRU-412 Remote Units.
1.02
Revision—05, August 15, 1995
a) Corrected CLEI Code and Part no.
b) Revised document format.
1.03
This document is part of a set. Refer to the
Description and Application Technical
Practice #125-800-100 for additional information on
the HiGain System and to #150-412-100 for
information on the HRU-412 remote unit.
1.04
The PairGain HRE-421 shelf houses one
HRU-412, has a Lexan front cover, and is wall
or desk mountable. The unit consists of a wall mount
section and a cover which slides over and is attached
to the wall mount section. The wall mount section has
the 400-type connector that accepts the HRU 412. It
also contains a 14-position terminal block, TB1, for
access to all interface signal connections, an RJ-48C
List 1) or RJ48X (List 2) connector for connecting DS1
leads and a DB9 RS-232 jack (J2) for telco access to
the HIGAIN maintenance test system. A 2 position
terminal block TB2 ,for access to local 48 V power
and circuit ground, and a 48 V (1 amp) fuse are
provided for the HRU-412, List 7 which can be locally
powered. A rear panel punch-out labeled LEC (Local
Exchange Carrier) provides cable routing to these
inner connectors. The cover, which has the Lexan end
plate, slides over the wall mounted section and is
secured to it with a screw.
2. CERTIFICATION
2.01
UL Listing: The HRE-421 is a UL Listed
component. Use normal caution when
installing or modifying telephone lines. Dangerous
voltages may be present. It is also considered
imprudent to install telephone wiring during a lightning
storm. Always disconnect all telephone lines and
power connections from wall outlets before servicing
or disassembling this equipment.
2.02
Refer to the installation section of the
appropriate instruction manual for the unit you
are installing for:
•
Cabling information
•
Proper connections
•
Grounding information
•
Line vs. local power
All wiring external to the product(s) should follow the
provisions of the current edition of the National
Electrical Code.
2.03
CSA Certification: The HRE-421 has been
tested and found to comply with CSA
Standard C22.2 -950 with telecommunication
features.
3. WARRANTY
3.01
PairGain Technologies warrants this product
to be free of defects and to be fully functional
for a period of 36 months from the date of 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 abuse or improper use
or installation.
3.02
This module should not be field repaired. If it
fails, replace it with another unit and return
the faulty unit to PairGain for repair. Any modifications
of the unit by anyone other than an authorized
PairGain representative will void the warranty.
3.03
If a unit needs repair, call PairGain for a
Return Material Authorization (RMA) number
and return the defective unit, freight prepaid, along
with a brief description of the problem, to:
PairGain Technologies, Inc.
14402 Franklin Avenue
Tustin, CA 92680
ATTN: Repair and Return Dept.
(714)-832-9922
(800) 638-0031
3.04
PairGain will continue to repair or replace
faulty modules beyond the warranty program
at a nominal charge. Contact your PairGain sales
representative for details and pricing.
