Internal Communications System

Question 1

The three nodes in the ICS and their locations ?

Answer 1

FWD NODE : 3 deck electrical equipment space.

AFT NODE : naval store

Contingency node : 1 deck sonar cabinet space.

Question 2

All Nodes contain the following three functional sections ?

Answer 2

Private branch exchange section

Announcing section

Power section

Question 3

The three sections provide nodes functionality for ?

Answer 3

Shore telephone connections

System fault indications

Making announcements over ships broadcast

Communications between individual outstations or conferenced groups of outstations

Individual external connections for the interfaces to voice recording equipment

Communicating to shore when the submarine is alongside

Interface to maintenance line & damage control group and wire free comms.

Question 4

How are audio panels controlled ?

Answer 4

They’re computer based, software controlled and operated using a touch screen.

Question 5

Function of APs

Answer 5

Allow users to initiate and receive normal telephone traffic, providing programmable functions and all comms via handset, headset or built in microphone

Question 6

APs have 4 comms lines capable of ?

Answer 6

Interphone calls

Intercom groups

Conference groups

Broadcasts

Question 7

APs are fed from two nodes why ?

Answer 7

Maintain comms in the event of single node failure.

Question 8

APs are generally located where ?

Answer 8

Permanently manned positions.

Question 9

Eight locations that allow operators to initiate general alarm by push buttons ?

Answer 9

Command position
SCOOW
QM
Casing sentry
DCHQ 1
DCHQ 2
Manoeuvring room supervisor pedestal
Towed array cabinet (naval store)

Question 10

What are dual telephones ?

Answer 10

Analogue telephone devices with speed dial buttons

Question 11

1) How many dial telephones are on board ?

2) dial telephones are all fed from a single node and are capable of ?

Answer 11

1) 63.

2) interphone calls
Intercom groups
Conference groups
Broadcasts

Question 12

How must calls accepted and cancelled on dial telephones ?

Answer 12

Using the hook switch.

Question 13

What is the sonar interface unit ?

Answer 13

An embedded audio panel and dial telephone in each of the 8 sonar consoles.

Question 14

What does SIU allow the operator to do ?

Answer 14

Communicate with other operators

Talk on command line

Dial other DTs (dial telephones) throughout the submarine

Question 15

What are the 999 telephones used to do ?

Where are they located and what colour is it ?

Answer 15

1) used to receive a critical/ important report.

2) it’s a dedicated red coloured handset and they’re located at the SCOOW position
And in the manoeuvring room.

Question 16

The SCOOW 999 telephone is fed from what node ?

The manoeuvring room node is fed from what node ?

Answer 16

1) contingency node

2) AFT node

Question 17

Which 999 telephone is called first and what happens if they don’t answer ?

Answer 17

The SCOOW 999 telephone rings first and if after 4 rings there’s no answer it is automatically transferred to the manoeuvring room 999 telephone.

Question 18

Function of 999 dial telephones ?

Answer 18

Clearly identify that a 999 call is being made on the ICS by ringing to alert the SCOOW and initiating an alarm in the SCC.

Question 19

Wire free communication (WIFCOM) system provides a ?

Answer 19

Wire free damage control comms system to support all damage control scenarios on board.

Question 20

Where is the WIFCOM cabinet located

Answer 20

On 3 deck lobby

Question 21

WIFCOM fully covers the submarine, the fin, casing and jetty but excludes ?

Answer 21

Battery compartment
WSC
RSC
RC

Question 22

What hazards are in the WSC, RSC, RC and Battery Compartment to have them removed from the WIFCOM system ?

Answer 22

Because of these hazards:

Weapons
Battery cells
Radioactive material

Question 23

In the event of the WIFCOM system failing radios are affected how ?

Answer 23

They can still be used to communicate with other radios directly but the range is reduced.

Question 24

A whip antenna is deployed on the fin so that wireless comms are available from inside the sub to where ?

Answer 24

Casing party
QM
damage control following evacuation.

Question 25

Messengers who use comms must be able to ?

Answer 25

Recall the content of the message
Recall who the message is from
Recall who the message is for