Nortel Versalar 15000 Installing And Maintaining page 19

EIA
EMI
GND
IFP
IP
LED
LOF
LOS
MMF
NC
NEMA
NO
OC-3
OC-12
POS
RDI
RFU
RLSD
RTS
Rxd
SMF
SSP
STM
TP
Txd
UBR
UTP
VBR
308684-B Rev 00
Electronic Industries Association
electromagnetic interference
ground
Internet forwarding processor
Internet Protocol
light emitting diode
loss of frame
loss of signal
multimode fiber
normally closed
National Electrical Manufacturers Association
normally open
Optical Carrier-level 3
Optical Carrier-level 12
packet over sonet
remote defect indication
reserved for future use
received line signal detection
ready to send
receive data
single-mode fiber
system services processor
synchronous transfer mode
trunk processor
transmit
unspecified bit rate
unshielded twisted pair
variable bit rate
Preface
xix