Audible Warning Unit
AssemblyThe bell or electronic sounder that warns pedestrians from the start of the closing sequence until the booms are down. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Audible Warning Unit
5 top-level lines as of r98082| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Electronic Sounder | level-crossing-barrier-electronic-sounder | 1× | 1 | · | part |
| 2 | Sounder Mount | level-crossing-barrier-bell-mount | 1× | 1 | · | part |
| 3 | Speaker | speaker | 1× | 1 | · | part |
| 4 | Microcontroller | mcu | 1× | 1 | · | part |
| 5 | Connector | connector | 2× | 2 | · | part |