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1
Q

Which operator directs approach and landing patterns ensuring aircraft are at a safe distance from each other? (5 mile radius)

A

Local Controller

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2
Q

Which operator uses radar displays to coordinate arrival and departure sequencing with the local controller?

A

Coordinator

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3
Q

Who is ultimately responsible for tower operations?

A

Watch Supervisor

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4
Q

How is AF sent to the tower?

A

Landlines

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5
Q

When transmitting, a radio processor switches what voltage to the line? (PTT)

A

26VDC

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6
Q

what is the thin metal plate in a carbon mic called?

A

diaphram

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7
Q

cell phones, computers, and hands-free devices have what kind of mic?

A

electret mic

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8
Q

What are the 3 main parts of a telephone?

A

speaker, mic, and hook switch

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9
Q

A typical ring signal is what voltage and frequency?

A

93VAC @20Hz

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10
Q

What allows you to make phone calls over the internet?

A

VoIP

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11
Q

PBX circuits are used as what?

A

dial lines

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12
Q

SS/SS-4 lines utilize what kind of signaling?

A

Frequency Shift Key

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13
Q

For loop start, what voltage does the ASU supply to one side of the line?

A

-48VDC

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14
Q

A telecommunication devices, the sampling rate will be

A

8000 times per second

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15
Q

A telecommunication CODEC will output a lan ____ digital signal word for each time it samples the input audio signal

A

8-bit

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16
Q

What is the highest frequency we should expect a telecommunications CODEC to convert into digital audio and then back again?

A

6.4kHz

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17
Q

All data for all channels will be placed on the digital audio bus every

A

125uS

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18
Q

By combining 32 digital channels onto a single ST bus, the resulting data stream will be

A

2,048,000 mbits/sec

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19
Q

Which bus type protocol is referred to as CEPT-1?

A

E1

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20
Q

operating voltage

A

27.5VDC

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21
Q

MAINS Voltage

A

240VDC

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22
Q

Back up battery voltage

A

26VDC

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23
Q

Load Voltage Cutoff (Threshold)

A

21.8VDC

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24
Q

Over voltage lockout

A

30VDC

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25
If a fuse blows, the indicator adjacent to the fuse _____ and an alarm sounds
extinguishes
26
Operator and radio lines connect to the central rack equipment at ______________ panels.
distribution
27
Telephone conferencers serve up to ______ telephone lines.
30
28
What does the Configuration Control Group consist of?
``` Alarm unit High speed serial interface SCTs Gateway/SCT computer Remote SCT Router Nport ```
29
An operator position consists of what five (5) modules?
``` Speaker POTs module Jackbox PIP/Card File TED ```
30
What are the 3 types of system busses in the ETVS
control data bus voice data bus cluster bus
31
What happens if one Control Data Bus fails?
The backup will take its place
32
What is the maximum number of voice channels are in the ETVS?
480
33
What links the I/O ports of all of the TMU/CMU in the central rack?
Cluster Bus
34
When the self check fails in all 3 loopbacks what is wrong?
PIP
35
What uplink is reserved for Radio Processor and OP Processor?
Uplink 1
36
In the ____, a crosspoint switch places voice data into the correct time slot on up-link 1
Operator Processor (transmit)
37
the _____ unit multiplexes the voice data onto the voice data bus
tmu/cmu
38
in the _____, digitized signals are summed by a Digital Signal Processor and passed to a cross-point switch
confrencer
39
The ____ provides digital summation/confrencing of selected audio time slots
Operator Processor (receive)
40
Multiplexing, conferencing, and interfacing functional groups are installed in which card cage?
5U
41
Which Card cage houses the ring generator and the telephone cards
4U
42
how many card cages can be installed in a central rack
32 (divided into 0-15 and 16-31)
43
what performs the same tasks on telephone interfaces except they do not have access to the control data bus?
microcontrollers
44
What manages card audio switching, messaging, status and diagnostic operations on all processor/conference?
microprocessors
45
EEPROM vs EPROM
EEPROM Map Date | EPROM Firmware
46
Process of determining which discrete level correctly represents the amplitude of the input signal is what?
Quantization
47
the position generates dual tone multiple frequencies used for touch tone calls
DTMF (Dual tone multiple frequencies)
48
Talk-battery Loop back What voltage? Loop
-48VDC
49
This person communicates with aircraft and vehicles on the flight line
Ground Controller
50
This person monitors flying squadron operations and activities
supervisor of flying
51
Who communicates with external agencies that support the ATC Mission?
Flight Data
52
What are the three parts of the supervisor postion? | and what do they do?
``` Operator Processor (Supervisory Record) -distributes digital audio to up to 2 positions Supervisor Record Interface -converts digital to analog Supervisory Recorder -tape deck ```
53
Which button terminates Intercom and Telephone calls
Release button
54
Where can you find key attributes in the TO?
Table 3-2
55
Position status may be checked remotely via the _____
SCT
56
To route a single radio frequency between headset and loudspeaker, what key should you press?
Frequency Button
57
In the transmit path, microphone audio is digitalized by a CODEC and sent to the ________ over the ISDN link.
Operator Processor
58
Where is the digitized signal is decoded to an analog signal, conditioned, and output to a radio transmitter
Radio Processor
59
Where is the SS1/4 Telephone Device Type table in the TO?
Page 5-47
60
What does DALR stand for?
Digital Audio Legal Recorder
61
In the DALR1 the logger and NICE Inform Server are the same physical platform (NCF III); Whereas in the DALR2 the Logger and NICE Inform Server are seperate platforms?
DALR1 1 unit | DALR2 Separated into 2 units
62
What does the GPS Time Source do?
Provides an accurate time reference for the network
63
What provides access to the NICE Inform application suite?
Workstation
64
Which program is the application server and access hub of the system
The NICE Inform app
65
The NICE Inform app has what 3 main user software components
Monitor Reconstruction Organizer
66
(NICE Inform) What is the Monitor function?
Provides near real-time monitoring of audio on multiple channels.
67
(NICE Inform) What is the Organizer function?
it lets you manage collections of recordings and files
68
(NICE Inform) What is the Reconstruction function?
this is the playback tool in NICE format
69
(NICE Inform) What program monitors the alarms?
Castle Rock SNMP alarm monitoring program
70
Which contains a fully comprehensive guide to all available features?
Appendix A
71
When an event trap is received by the SNMP application, the message is read and the description is displayed in what tab?
Current
72
What does the status bar show?
Selected Functions
73
What does the status box show?
a fault in the system
74
Where in the TO can you find specific TED button functions
TO Table 3-1
75
What does the Operator Processor (supervisory record) do?
Distributes digital audio to uo to 2 positions
76
What does the Supervisor Record Interface do?
Converts digital to analog
77
What does the Supervisory Recorder do?
Records the analog audio to a tape deck

ETVS (1 decks)

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