CS 2.2

Question 1

Risks associated when wild card codes used during GSM-R regsitration

Answer 1

• call to signaller cannot be routed to controlling signaller
• have to select correct signaller from phonebook

Question 2

Risks if GSM-R is incorrectly de-registered

Answer 2

?

Question 3

When the Press To Talk function must be used

Answer 3

• When communicating with PassCom
• When making REC call

Question 4

Actions if GSM-R failure when starting from maintenance depot, somewhere else, or during a journey

Answer 4

Starting from MD - cannot enter service if defective in any cab that is required to be driven from
Other than MD - as above unless:
transportable GSM-R provided
proceed to where transportable GSM-R provided
competent person provided or already in alternative cab
permission to drive without working radio
radio network failure
During Journey - as above