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GSM-R user procedures (cab radio Version 2)

GSM-R GB

1A26

Emergency Group

Retrying

GSM-R GB

1A26

Emergency Group

Failed to connect

If the railway emergency group call fails to connect you must use an alternative method of

communication to contact the signaller.

7.3.7 Accidental use of the railway emergency group call

Instances occur from time to time where the (red) emergency group call button on a cab

radio has been accidentally pressed and the initiator has failed to respond when the

signaller answers. This may leave the signaller in a difficult position and unsure whether

the call is a legitimate emergency and may have to instigate time consuming procedures to

ascertain the reason for the call.

In the event of accidental use:

You must use the normal call process described above in section 7.3.4 and inform the

signaller the button has been accidentally pressed. This will be greatly appreciated by the

signaller.

Treat the red button as live at all times, and take care when in and about the driving cab.

7.3.8 Emergency (999/112) call

You should only make a 999 (or 112) emergency call as a last resort, if all other forms of

emergency call to the signaller have failed. In an emergency you must first try to contact

the signaller.

Use the keypad to dial ‘999’ (or ‘112’) as described in section 6.7. This type of call will be

connected to the railway emergency operator.

7.3.9 Electrical Control Operator (ECO)

You can use the cab radio to call the ECO directly. There are four ways in which to make

the call:

 by using the appropriate entry in the Network Rail phonebook (see section 6.6.2). or

 by dialling the short code: 1400. or

 select from the menu. or

 by dialling the full 8-digit fixed terminal number published in the Sectional Appendix.

If the call is not connected after 30 seconds the

display shows the following:

If the call cannot be made the cab radio will try again

for up to 30 seconds.

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Siemens NRN 67 Series Especificaciones Pagina 51