Keypad Bus
AssemblyLow-voltage serial bus (RS-485 or single-pair) distributing power and control signals to wall keypads. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Keypad Bus
4 top-level lines as of r112775| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | RS-485 Driver | multiroom-audio-amplifier-rs485-driver | 1× | 1 | · | part |
| 2 | Keypad Module | multiroom-audio-amplifier-keypad-module | 1× | 1 | · | part |
| 3 | Keypad Cable | multiroom-audio-amplifier-keypad-cable | 1× | 1 | · | part |
| 4 | Connector | connector | 2× | 2 | · | part |