Signalling & Communication
AssemblyBell code system, shaft telephone, and slack-rope switch linking the cage to the winder driver and banksman. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Signalling & Communication
7 top-level lines as of r107609| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bell Signal Box | mine-shaft-cage-bell-pushbox | 1× | 1 | · | part |
| 2 | Shaft Telephone | mine-shaft-cage-shaft-phone | 1× | 1 | · | part |
| 3 | Slack-Rope Switch | mine-shaft-cage-slack-rope-switch | 1× | 1 | · | part |
| 4 | Signal Relay Panel | mine-shaft-cage-signal-relay | 1× | 1 | · | part |
| 5 | Wire Bundle | wire-bundle | 1× | 1 | · | part |
| 6 | Relay | relay | 2× | 2 | · | part |
| 7 | Connector | connector | 4× | 4 | · | part |