Bell code
Bell codes or buzzer codes are a series of bells or buzzers used on passenger trains in Great Britain and India for communication between the driver and guard.
| Signal | Meaning in Great Britain[1] | Meaning in India[2] |
|---|---|---|
| 1 | Stop | Stop train |
| 1—1 | Zone of speed restriction over, resume prescribed speed | |
| 1—2 | Close doors | |
| 2 | Ready to start | Start train |
| 2—2 | Do not open doors | Passing automatic signal at 'on' |
| 3 | Set Back | Guard required by driver |
| 3—1 | Lock central door locking | |
| 3—2—1 | Testing doors | |
| 3—3 | Guard required by driver, or guard or driver to speak on the telephone | Guard's warning when the motorman exceeds the speed prescribed |
| 3—3—1 | Release central door locking | |
| 4 | Slow down | Protect train in rear |
| 6 | Draw forward | |
| 9 | Police assistance required |
All codes, except 3—2—1, must be acknowledged by repeating the code received.
See also
- Railway block code - bell codes used between manually operated signal boxes
- Whistle codes - used by locomotives to communicate with signal boxes
References
- ^ "TW1 Preparation and movement of trains: General" (PDF). GSM-R amendments to GE/RT8000 Rule Book (Strathclyde Trials). Rail Safety and Standards Board. 2006. p. 14. Retrieved 16 February 2010.
{{cite web}}: Unknown parameter|month=ignored (help) [dead link] - ^ "F. Duties of Staff Working Trains during Journey". Indian Government Railways Generla Rules. South Eastern Railway. 1999. 4.51. Bell signals between Driver and Guard. Retrieved 16 February 2010.