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.
Keypad Bus parts and their functions
4 top-level parts · 5 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | RS-485 Driver | 1× | Differential transceiver for keypad communication |
| 2 | Keypad Module | 1× | Wall-mounted keypad with source/zone selection buttons |
| 3 | Keypad Cable | 1× | Twisted-pair 18 AWG wire |
| 4 | Connector | 2× | RJ-45 or screw terminal connectors for distributed keypads |
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Bill of materials for Keypad Bus
4 top-level lines · 4 rows shown · 5 parts total · indented to 3 levels| # | 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 |
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Where the keypad bus is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |