2-45.
During a receive data cycle, the DTS
performs which of the following actions
when frame two of the stop code is
detected?
1 .
2 .
3 .
4 .
The frame is processed as a data
frame and sent to the computer
The DTS processes the stop code
and resets itself only
The DTS sends the end of receive
external interrupt to the computer
The computer processes the stop
code and closes the input data
buffer
2-46.
Which of the following actions is
performed by the DTS when a control
station stop code is received?
1 .
2 .
3 .
4 .
The DTS compares the next two
frames received with the own
station address
The DTS resets all I/O timing
circuits
The DTS sends the next two
frames received to the CDS
computer
The DTS sends the prepare to
transmit data interrupt to the
computer
2-47.
When the DTS recognizes own station
address, it transmits which of the
following signals first?
1 .
2 .
3 .
4 .
Prepare to transmit interrupt
The first frame of the preamble
The phase reference frame
Input data request
2-48.
At the start of a transmit cycle, the
output data request is first set active
during which of the following frames?
1. The first frame of the preamble
2. The first frame of the start code
3. The phase-reference frame
4. The second frame of the start code
2-49.
Which of the following events
place when the CDS computer
answer an ODR from the DTS
the specified time limit?
takes
does not
within
1 .
The DTS generates the stop code
2 .
The DTS hangs-up
3 .
The computer generates an
external function to clear the DTS
4 .
The computer sends a stop code to
the DTS
2-50.
Which of the following events occur if
an interrogated picket station does not
answer an initial interrogations from the
NCS within 15 frame intervals?
1. NCS interrogates the next station
2. NCS waits another 15 frame
intervals
3. Link-11 network hangs up
4. NCS retransmits the interrogation
to the unit that did not reply
2-51.
A total of how many data tones are in
the composite tone package developed
by the DTS?
1 .
13
2 .
14
3 .
15
4 .
16
16
