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Appendix E - Abbreviations
HRU:
HiGain Remote Unit
I
ILR:
Intelligent Repeater Loop
INSL: Insertion Loss
IOR:
Intelligent Office Repeater
IR:
Intelligent Repeater
L
LAIS: Local Alarm Indicating Signal
LBPK: Loopback
LBTO: Loopback Timeout
LED:
Light Emitting Diode
LLOS: Local Loss of Signal
LOS:
Loss of Signal
LOSW: Loss of Sync Word
LPDN: loopdown
M
MAL1: Margin Alarm Loop 1
MAL2: Margin Alarm Loop 2
MNGD: Managed
N
n:
Number
N/A:
Not Available
NDUn: Customer Doubler n Loopback
NEBS: Network Equipment Building System
NID:
Network Interface Device
NLOC: Network Local Loopback
NMA: Network Management and Administration
NVRAM: Non-Volatile RAM
P
PL:
Payload
POTS: Plain Old Telephone System
PWRF: Power Feed
PWRF GND: Power Feed Ground
PWRF OFF: Power Feed Off
PWRF ON: Power Feed On
64
PWRF SHRT: Power Feed Short
R
RAIS: Remote Alarm Indicating Signal
RCV:
Receive
RDA:
Remote DS1 Alarm
RLOSL: Remote Loss of Signal
S
SF:
SuperFrame
SIG1: Signal 1
SIG2: Signal 2
SMJK: Remote SmartJack Loopback
SNET: Southern New England Telephone
SnL1: Signal n Loop 1
SnL2: Signal n Loop 2
SPLB: Special Loopback
T
TEC:
Total Error Count
TSEC: Total System Error Count
U
UAS:
Unavailable Seconds
UNFR: Unframed
V
VER:
Version
X
XMT:
Transmit
Z
ZBTSI: Zero Byte Time Slot Interchange
July 18, 2002
150-432-100-02, Revision 02
,
HLU-432 List 1
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