Subsection 04 Data Buses Flashcards
A bus which supports the transfer of data in both directions is referred to as?
Bidirectional
A current mode coupler contains an E-core assembly, the purpose of the E-core is?
To couple the signal to the data bus
A data frame on an ethernet system contains?
Both source and destination addresses
A deterministic ADN used on a certified integrated modular avionic system must have a BIT error rate ( BER) of no more than?
1 in 10 to the -12
A group of BITS transmitted at the same time is?
Parallel data
A signal in an ARINC-629 system uses?
A twisted pair of wires or fibre optics
A simplex system has?
1 transmitter and multiple recievers
A simplex system has 1 transmitter and ?
Many recievers
A terminal controller will transmit?
Only once during each transmit interval
A virtual link in an ADCN is?
Unidirectional
An active AFDX subscriber, connected to an AFDX network to communicate with other subscribers respecting AFDX rules is called?
An end system
An aircraft databus system can use both ARINC-629 and ARINC-429 via?
System card files and signal gateways
An ARINC-429 BCD word occupies BITS 11-29, if 11-15 are filled with padders then the LSB of the word will be?
16
An ARINC 429 binary coded decimal (BCD) word occupies word bits?
11-29 (BCD is 11-29 BINARY is 11-28)
ARINC-429 bus uses?
A twisted shielded pair of wires
An ARINC-429 system uses a 32 word over?
A twisted pair of wires
ARINC 429 word label format is?
OCTAL
ARINC 573 data buses are used to input a?
DFDR
ARINC 629 bus cable is a twisted pair of wires with?
A 130 ohm resistor at each end
ARINC 629 characteristics is that data can transmit?
In both directions down the data bus
ARINC 629 data word has?
Only 20 BITS
ARINC 629 Label word is?
12 BITS
An ARINC 629 LRU can?
Transmit and receive on one data bus
An ARINC 629 stub cable connects bi-directional data between?
The LRU and the current mode coupler