Section 150-219-100-02
December 22, 1997
Page 22
HDU-217/219 and
HCC-239 List
1
Abbreviations
AWG
American Wire Gauge
CDU
HDU to Customer loopback
CRC
Cyclic Redundancy Check
CSA
Carrier Serving Area/Customer Service Area
DDS
Dataphone Digital Service or Digital Data System
HCC
HiGain Cut-Through Card
HCDS
High Capacity Digital Service
HDSL
High bit-rate Digital Subscriber Line
HDU
HiGain Doubler Unit
HLU
HiGain Line Unit
HRU
HiGain Remote Unit
ISDN
Integrated Services Digital Network
KBPS
Kilo (thousand) Bits Per Second, sometimes written Kb/s
MBPS
Mega (million) Bits Per Second, sometimes written Mb/s
NDU
Network Doubler Unit
NEBS
Network Equipment Building System
POTS
Plain Old Telephone Service
RMA
Return Material Authorization
SPLP
Special Loopback
WCN
Warranty Control Number
