CANOGA PERKINS 3240S SNMP Managed Fiber Optic Multiplexer - Manual (Page 105)

3240S F I B E R O P T I C M U L T I P L E X E R
3240S Fiber Optic Multiplexer
Glossary
G-1
A
ALM = Alarm (as in the Alarm Signal Indicator)
AMI = Alternate Mark Inversion - line coding format in T1 transmission where successive ones (marks)
are alternately inverted
AUTO = Automatic (as in Automatic Mode of operation)
B
B8ZS = Binary 8 Zero Substitution - line coding scheme used to accommodate the ones density
requirement for digital t-carrier facilities
BNC = Bayonet-locking Connector (for coaxial cables)
BOOTP = Boot Protocol - A TCP/IP protocol which allows an internet node to discover certain start-up
information such as its IP Address
bps = bits per second
BULM = Backup Link Monitor
C
CFR = Confirmation to Receive Frame
CH GND = Chassis Ground
CHAN = Channel (Interface Port)
CLK = Clock
COM1 = Communications Port 1 (usually refers to a PC communication port)
COM2 = Communications Port 2 (usually refers to a PC communication port)
CPU = Central Processing Unit
CR = Carriage Return
Ctrl = Control (as in the ‘Ctrl’ key on a PC keyboard)
CTS = Clear To Send
D
DA-15 = Connector, D-shell, A size,15-pin
dB = Decibel (strength of a measurement relative to an arbitrary measurement)
DB-25 = Connector, D-shell, B size, 25-pin
DCD = Data Carrier Detect
DCE = Data Communications Equipment
DS0 = Digital Signal, level Zero (64kbps - 24 DS0’s equal T1)
DS1 = Digital Signal, level One (1.544Mbps - T1)
DSR = Data Set Ready
DTE = Data Terminal Equipment
DTR = Data Terminal Ready
E
E1 = data transfer rate of 2.048Mbps (level one)
Esc = Escape (as in the 'Esc' key on a PC keyboard)
ESD = Electrostatic Discharge
EXT = External