Glossary | September 25, 2006 |
K
kbps – kilobytes per second km – kilometers
L
LED – Light Emitting Diode
LL– Local Loopback
LDC – Loss of Data Port (Nx64k) Clock
LEC – Loss of External Clock
LOC – Loss of Clock
LOSW – Loss of Sync Word
LPBK – Loopback
LTU – Line Termination Unit
M
M34F –
MAR – Margin
Mbps – Megabits per second
MHz – Megahertz
mm– millimeter
N
NC – Normally Closed
NO – Normally Open
NTU – Network Termination Unit
NVRAM –
Nx64k – Number (N) of 64 kbps DS0 time slots mapped to a data port.
O
Op – Operation
PFO – Power Feed Open
PFS – Power Feed Short ppm – pulse per minute
PRBS – Pseudorandom Bit Sequence
R
RAM – Random Access Memory
REM – Remote
RL – Remote Loopback
RLSD – Received Line Signal Detector
RTS – Ready to Send
S
SD – Transmit Data
SLIP – Serial Line Internet Protocol
ST – Send Timing
S/W – Software
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