Compatibility
150-450-105-02, Revision 02
4
November 4, 1998
HRE-450 List 5
C
OMPATIBILITY
The HRE-450 is compatible with all PairGain HiGain HRU and ERU remote units and HDU-451 and EDU-451
units.
Table 1.
HRE-450 Components
Component
Function
Locking tab
Secures the unit to the connector.
Mounting screw guides
Indicate where to drill the mounting screw holes.
Mounting bracket
Secures the remote unit or doubler in the enclosure.
Wiring diagram label
Provides installation wiring diagram for both DS1 and HDSL interfaces.
56-pin card edge connector
Provides card edge connectivity for the installed remote or doubler unit.
Card guides
Guides and aligns card with card-edge connector during card insertion.
Quiet-Front Connector Modules
Primary surge protection to all four ports.
Ground wire connector
Used to attach the grounding wire.
Ground wire access
Access hole for insertion of ground wire lug.
Air vent/breather cap
Permits air circulation and keeps internal atmosphere free of harmful contaminants.
3/8 in. padlock shackle holes
Used to attach a padlock for security.
Cable stubs
Provide access for HDSL, DS1 and power wires.
Compression connector nuts
Creates a nearly air-tight fit to inhibit water and other contaminants.
Cable rifting
Protects excessive bending of stub at entrance point.
