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5 Level CDC > Ancillary and Deployable Voice Systems > Flashcards

Ancillary and Deployable Voice Systems Flashcards

1
Q

What are the two basic groups of channel banks?

A

Channel and common equipment units.

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2
Q

What is the transmission rate, in megabits per second (Mbps), of Mode 3 in channel bank
operations?

A

1.544.

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3
Q

What function does the line driver unit (LDU) perform for a channel bank unit?

A

Clock generation.

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4
Q

What type of shelf contains the DC552A channel service unit (CSU)?

A

Modem.

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5
Q

What is another name for a stuffing or S-bit in relationship to a channel service unit (CSU)?

A

Framing.

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6
Q

What component is installed to provide a dataset protection against accidental shorts to –52
volts direct current (VDC) analog lines?

A

Line T–1 interface (LTI).

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7
Q

What Meridian application provides local area network (LAN) connectivity so you can
share equipment, data files, and application software utilizing a modem?

A

CompuCALL.

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8
Q

Where is the optional supervisory lamp panel for the 291 Conference/Alerting System
usually installed?

A

The master station.

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9
Q

Which type of equipment modules within the 291 Conference/Alerting System provide the
necessary amplification, ringing, timing, tone supply, and fusing needed for system operation?

A

Internal control.

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10
Q

The power plant ground supply will not provide

A

digital signal grounds.

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11
Q

Fuse block number 62F14 in a given power distribution center (PDC) identifies the

A

15th fuse on the panel in mounting position 62.

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12
Q

Alarm and control inputs detected by the alarm system hardware are interfaced with the
alarm system software through

A

scan points.

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13
Q

What hardware entity contains the alarm system backup circuits which generate an alarm if
the office alarm unit fails?

A

A meridian trunk module.

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14
Q

The primary reason you measure the voltage across terminal or distribution frame protectors
before removing and replacing them is to

A

make sure dangerous voltages are not present on the line.

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15
Q

In addition to fiber-optic and copper cables, what do we use to interconnect integrated
communications access package access nodes on a deployed base within the same theater area?

A

Microwave and laser.

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16
Q 
What is the design architecture of theater deployable communications (TDC) metropolitan
area network (MAN)?
A

Hub-spoke.

17
Q

What type of connectivity does a voice backbone in the theater deployable communications
(TDC) architecture provide?

A

1.544 Mbps ISDN PRI.

18
Q

What equipment is included in a customer access node (CAN) to provide the inter-site
connectivity?

A

Lightweight Multiband Satellite Terminal (LMST).

19
Q

What major equipment in a theater deployable communications (TDC) package provides
mobile units with flexible, lightweight, secure, modular, and integrated deployable
communications?

A

Lightweight Multiband Satellite Terminal (LMST) and ICAP.

20
Q

What is the long-haul transmission component of Theater Deployable Communications
(TDC)?

A

Lightweight Multiband Satellite Terminal (LMST).

21
Q

What’s the difference between the basic access module (BAM) and the configurable access
module (CAM)?

A

BAM has a fixed capability.

22
Q 
What Integrated Communications Access Package (ICAP) node module provides the radio
frequency (RF) line-of-sight (LOS) link function for internodal connectivity?
A

Microwave.

23
Q 
Upon arrival in a theater, what frequency band does the Lightweight Multiband Satellite
Terminal (LMST) use for initial communications connectivity to the Defense Satellite
Communications System (DSCS)?
A

X only.

24
Q

What theater deployable communications (TDC) system provides message handling
services?

A

Stand-Alone Message Processing System.

25
Q 
What must customers do to connect telephones and computer workstations to the theater
deployable communications (TDC) backbone network?
A

Adhere to various open system standards and interfaces such as Ethernet.

5 Level CDC (9 decks)

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