Military Standard 1553B
name 2 benefits
savings in size and weight or provides standard interface between components
what transmits the command word
Bus Controller only
uses what to interconnect the stations or terminals on the bus
fiber optic cables
what is the distance for use
50ft or less
how many devices does it enable to be connected to one bus in parallel
15
each data "word" is how many bits long
20
what are the 3 words
command word, status word and data word
what is the capacity
50 Mbps
19,200 bits per second
max length of cables and distance between devices
20 meters and 2 meters
allows transfer of information between how many avionics units
32
the status word transfers status information from what to what
from the remote terminal to the bus controller
Contains the actually information being transferred from one avi unit to another
data word
standard defines what 3 characteristics
electrical, mechanical and functional
what is multiplexing
process of transmitting information from sever sources through one system, different signals staggered in time, to form a composite pulse train
what can serve as the backup bus controller
Remote Terminal
responsible for coordinating/controlling flow of information on the data bus
bus controller
what 3 channels does it support
simplex, half-duplex and full-duplex channels
GPIB device can what 3 things
talker, listener and/or controller
what are the 5 elements that make up the 1553B
Bus Controller, remote terminal, bus monitor, data bus, data bus coupler
what is an optional system component/element that us normally NOT used
Bus Monitor
data bus transmission lines are made of what
shielded twisted pair
2 configurations used for serial equipment
Data Terminal Equipment (DTE) and Data Communication Equipment (DCE)
GPIB address is between what numbers and what is a standard connector
0 and 31
24 pin connector