Руководство По Установке для Cisco Prisma II 1310 nm HDTx Transmitters
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Glossary-2
Optoelectronic Glossary
78-713378-01 Rev C
Glossary
, Continued
BERT
Bit error rate test
BIG
Broadband Integrated Gateway
BIOS
Basic Input/Output System
BIST
Built-in self-test
Bit
Short for Binary Digit. Can be either a "one" or a "zero."
Blanking level
The amplitude of the front and back porches of the
composite video signal.
BNC
A coaxial connector that uses a bayonet type attachment to
secure the cable. It is also known as Baby N connector.
BPF
Bandpass filter
bps
Bits per second - The total number of bits sent in a second
of time.
BPSK
Binary Phase Shift Keying
BW
Bandwidth
Byte
A group of bits treated as a unit
CF
Continuous feed
Circuit switching
The type of signal switching traditionally used by
telephone companies to create a physical connection
between a caller and a called party.
CIRD
Commercial Integrated Receiver Decoder
CIM
Communications Interface Module
CISC
Complex Instruction Set Computer. A computer that uses
many different types of instructions to conduct its
operations, i.e., IBM PCs, Apple Macintosh’s, IBM 370
mainframes.
CIU
Customer Interface Unit
C/N or CNR
Carrier-to-noise ratio