150-402-102-01, Revision 01
Product Overview
HRU-402 List 2
July 27, 1998
1
P
RODUCT
O
VERVIEW
This technical practice describes the PairGain
®
HiGain
®
Remote Unit, Model
HRU-402 List 2, and its use with and without doubler and line units. This
remote unit functions as the remote end of a repeaterless T1 transmission
system. An HRU-402 List 2 connects to a HiGain Line Unit (HLU) and
HiGain Doubler Units (HDUs), creating a HiGain system which provides
1.544 Mbps transmission on two unconditioned copper pairs over the full
Carrier Service Area (CSA) range. See the section titled
for HiGain doubler and doubler compatible line units that can be used
with the HRU-402 List 2.
shows a basic HiGain configuration for a T1 High-bit-rate Digital
Subscriber Line (HDSL) circuit. The HLU is installed at the Central Office
(CO) shelf. The HRU-402 List 2 is housed in a remote enclosure at the
Customer Premises Equipment (CPE) site. Optional HDUs provide the ability
to increase the range between the HLU and HRU to five CSA spans. The CSA
encompasses approximately 60 kft of American Wire Gauge (AWG) wire.
Figure 1.
Typical HiGain System
