100-420-100-04, Issue 4
2 November 21, 2003 HRE-420 Lists 1, 2, 3, and 4
Applications
The HRE-420 enclosure 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 a printed circuit board which connects the card edge connector to
terminal block TB1, an RJ-48 (List 1 & 2), a DB-15 connector, and two BNC connectors (List 3) and an RJ-48C
and DB-15 connector (List 4). The 10-position terminal block (TB1) 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 (looping) RJ-48C for List 1
and List 4, and a shorting (looping) RJ-48X for List 2.
The DB-15 connector and BNC connectors are provided in the List 3 unit only. The cover slides over the wall
mounted section and is secured to it with a screw.
Table 1. Compatible Remote Plugs
Model Document Catalog Number
HRU-402, List 1 & 3 150-1592-100-xx
HRU-402, List 1A 150-1592-111-xx
HRU-402, List 4 LTPH-TP-1024-xx
HRU-412, List 6 150-412-106-xx
HRU-412, List 7 150-412-107-xx
HRU-412, List 8 150-451-108-xx
HRU-412, List 9 150-412-109-xx
HRU-412, List 9B 150-412-192-xx
HLU-432, List 1 150-432-100-xx
HDU-451, List 1 & 2 150-451-100-xx
HDU-451, List 3 150-451-103-xx
HDU-451, List 4 150-451-104-xx
EDU-451, List 1 150-451-200-xx
EDU-451, List 2 150-451-202-xx
ERU-412, List 1 & 2 150-412-201-xx
HRU-512, List 1 150-512-100-xx
HRU-612, List 1 150-612-100-xx
The HDU-451 and EDU-451 are not UL listed and their use in the HRE-420 will void the UL
certification of the HRE-420.
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