Blue Book Chapter 14 Questions

Question 1

Describe the functions of the following intercom components:
Control unit
Station
Master Station
Substation

Answer 1

Control unit - controls stations connected and creates paths to communicate between stations when connected.
Station - remote communicating device connected to control unit; can communicate with other stations.
Master Station - Must have one mater; communicates with other master and substations.
Substation - only communicates with master station; communicates with more than one master.

Question 2

Residential intercom systems offer additional features, such as:

Answer 2

music, door chimes, room to room, call communication

Question 3

What are the two types of substations for residential intercoms?

Answer 3

indoor and outdoor

Question 4

Can you use the same rough in bracket for master station as a substation?

Answer 4

no - masters require larger brackets for power supply

Question 5

How is wiring for an intercom substation selected?

Answer 5

Vendor and distance from substation run from master

Question 6

When installing a room station, you must stay 18” from what items?

Answer 6

flourescent lights, dimmers, high voltage, security

Question 7

How do commercial master stations differ from residential master stations?

Answer 7

Commercial has a longer range and more than one master station.

Question 8

Where would a vandal resistant substation be installed?

Answer 8

garage, prison, wherever subject to damage

Question 9

Describe the differences between loop and star wiring configurations.

Answer 9

Loop is a chain/daisy chain.

Star is each substation that runs back to master station.

Question 10

Where are some locations where a high power intercom would be necessary?

Answer 10

High noise areas (such as warehouse, shipping docks)

Question 11

Door control uses a push button to control a ______ to release a locking door.

Answer 11

remote relay

Question 12

Describe the two basic types of Nurse Call systems.

Answer 12

Visual - gives visual at master and second alter to caregiver.
Audio/Visual - advanced features - addressable, devices, pagers, wireless phones

Question 13

What features do bathroom emergency stations have that other emergency stations do not?

Answer 13

A chord hanging from the ceiling to make a call.

Question 14

How is the cabling service selected for Nurse Call systems?

Answer 14

vendor

Question 15

Where are some locations you could expect to see Emergency Call Systems?

Answer 15

Hospitals, Nursing Homes, Hospice

Question 16

What is the purpose of an Area of Refuge?

Answer 16

Handicap accessible phone for emergencies

Question 17

How is the operation of a telephone entry system that does not require a telephone line different from one that does?

Answer 17

The one that does not require a telephone line uses relays instead of phone lines to communicate with different areas.

Question 18

What wiring is required for a telephone entry system?

Answer 18

Phone line, power, lock control, grounding wire, screamer station