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Add pics for Hi-Source HI-k0801WS

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Mark Captur
2026-05-08 06:03:15 +02:00
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doc/devices/HI-K0801WS.md
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# Hisource Hi-K0402WS # Hisource Hi-K0402WS
Following is documentation for unmanaged switch marked as `Hi-K0402WS`. Following is documentation for unmanaged switch marked as `Hi-K0801WS`.
Original software is running UART on 9600 baud rate.
Using SPI clamp in-board is the only method for initial installation. Using SPI clamp in-board is the only method for initial installation.
The board has two flash chips `BY25Q16BS` with 16M-bit size. The front switch, switches between the two flash chips.
These can be programed independently by using said switch - so it is e.g. possible to run the original and new firmware in parallel.
### Label specifications ### Label specifications
- **Name**: 2.5G Ethernet Switch - **Name**: 2.5G Ethernet Switch
- **Model**: Hi-K0402WS - **Model**: Hi-K0801WS
- **Ports**: - **Ports**:
- 4 × RJ45: 10/100/1000/2500 Mbps - 8 × RJ45: 10/100/1000/2500 Mbps
- 2 × SFP: 1000 / 2500 / 10000 Mbps - 1 × SFP: 1000 / 2500 / 10000 Mbps
### What works (expected from label + similar devices) ### What works (expected from label + similar devices)
- All four 2.5GBASE-T RJ45 ports at 10/100/1000/2500 Mbps - All eight 2.5GBASE-T RJ45 ports at 10/100/1000/2500 Mbps
- Both SFP ports supporting 1G, 2.5G and 10G modules - SFP port supporting 1G, 2.5G and 10G modules
- LEDs - LEDs
### PCB overview ### PCB overview
**Board markings** **Board markings**
- Top silkscreen: PCB-KO4022W-V3.0 / DIP-KO4022WS-V3.0 - Top silkscreen: PCB-KO801W-V2.0 / DIP-KO801WS-V2.0
Top side Top side
<img src="photos/K0402W-V3.0-unmanaged\PCB-top.jpg" width="300" /> <img src="photos/K0801W-V2.0-unmanaged\PCB-top.jpg" width="300" />
Bottom Bottom
<img src="photos/K0402W-V3.0-unmanaged\PCB-bottom.jpg" width="300" /> <img src="photos/K0801W-V2.0-unmanaged\PCB-bottom.jpg" width="300" />
### T2, serial console ### T2, serial console
| `J2` pin | Signal |
| -------- | ----------- |
| 1 | 3V3 |
| 2 | RX (Input) |
| 3 | TX (Output) |
| 4 | GND |
## Power supply ## Power supply
Input power is delivered via barell plug, `12V 1A` adapter was provided. Input power is delivered via barell plug, `12V 1A` adapter was provided.
Board has two supply rails. `0.95` and `3.3` volt.
### `0.95` Core Voltage
Voltage is made by a `Techcode TD1720` .
### `3.3` Voltage
Voltage is created by chip marked as `Techcode TD1720`.
**There seems to have been a miscalculation when choosing the inductor and the device is ~25% more efficient with an 5V power supply.**