ADC and 3 Doubler - Manual (Page 41)

LTPH-UM-1234-01 Appendix E - Glossary
HDU-409 Lists 1, 2, and 3 April 30, 2003 35
HRE HiGain Remote Enclosure
HRU HiGain Remote Unit
KBPS Kilo (thousand) Bits Per Second
Loop
A length of twisted-pair copper wire connecting the local unit of an HDSL
circuit to the remote unit.
MBPS Mega (million) Bits Per Second
NDU HDU to Network Loopback
NEBS Network Equipment Building System
POTS Plain Old Telephone Service
PRES Pressure
RMA Return Material Authorization
RT Remote Terminal
SAIS SmartJack AIS
SPLB Special Loopback