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GSM-R user procedures (cab radio Version 2)
GSM-R GB
Registering
12345159 Driver 2
Registration now follows the same process as described in section 6.2.3.
Both registered cab radios should then display the correct TRN (headcode).
Once registered, the signaller will be able to communicate with each of the registered
functional roles, for example; the signaller will be able to make a point-to-point call to the
Lead Driver or Driver 2. Any registered members of train crew will also be able to use the
GSM-R equipment to communicate, by making a point-to-point call to the necessary
functional role. For example, the lead driver will be able to call driver 2 or vice versa.
The Lead Driver and Driver 2 can call each other using the menu function, for example,
the Lead Driver could call Driver 2 (‘Calls’, ‘Other calls’, ‘Train crew’, ‘Driver 2’).
Train crew __
1 Lead Driver
3 Driver 3
2 Driver 2
GSM-R GB
1A26
Other drivers
Incoming call
GSM-R GB
1A26
Failed to connect
Give the other driver chance to register the cab radio before trying again.
Once the call is made, it is possible for the Lead Driver to put Driver 2 on hold (see section
7.4.1) and a call to the signaller (using the phonebook or key pad dialling but not ‘call
signaller’ button). Before putting another user on hold you must tell them that you are
about to put them on hold. When retrieving a call that you have put on hold you must
identify yourself again to the other user.
When one cab mobile puts another on hold the display will show ”Call held” for five
seconds. If it is retrieved by another radio then “Held call retrieved” is shown temporarily.
Driver 2 will see the following display.
Once you have chosen Driver 2 you must
press to begin the registration process and
send the registration identity to the
GSM-R network.
If you attempt to call the other driver before the
driver has registered the cab radio you will get a
failure message as shown below.
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