Siemens NRN 67 Series Especificaciones Pagina 10

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RSSB Page 10 of 87
GSM-R user procedures (cab radio Version 2)
Lead driver
The lead driver has lead responsibility in conversations
with other drivers registered on the same train.
Communication with anyone else concerning the
movement of the train will normally be handled by the lead
driver.
Nominated
signaller
If a call or operational text message is directed to the
signaller where ‘cell-based call routing’ is in operation, the
call will be directed to a nominated signaller chosen by
Network Rail to receive that call, who may not be the
correct signaller who controls the area from which the call
was originated.
Priority and pre-
emption
In GSM-R the different types of call are given a level of
priority which is used to make sure that operational and
emergency calls are not blocked by lower-priority calls.
Registration Code
Normally a seven-digit number which includes the four-digit
train reporting number and a three-digit location code (the
signal number, the number shown on an alias plate or an
area specific 99X number).
(When setting up driver to driver communications the
Registration Code consists of a five digit code + three-digit
location code.)
Secure radio
system
A radio system that identifies where the train is or the train
reporting number when used by a driver calling a signaller
(or a signaller calling a driver). The system allows
instructions on operational movement to be passed
between the signaller and driver without other signallers or
drivers hearing the communication.
Subscriber identity
module (SIM)
SIM is part of the network which gives identity to the radio
managed and controlled by the infrastructure controller.
SIM, though part of the network, is actually mounted in the
cab radio.
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