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Add barebones docs for already supported Horaco ZX-SG4T2 / WTG024AS-A-V2.0.1_4C_2SFP

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Priit Laes
2026-08-06 10:47:35 +03:00
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doc/devices/SWTG024AS-A-V2.0.1_4C_2SFP.md
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### SWTG024AS-A-V2.0.1_4C_2SFP
It is highly similar to SWTG024AS-V2.0, with the only difference being the GPIO configuration for the SFP port.
## Brands
|Brand|Type|Managed|PCB|Flash|Chip RTL|
|---|---|---|---|---|---|
| Horaco | ZX-SG4T2 | | PCB-SWTG024AS-A-V2.0.1_19650 | P25D40SH | ??? |
### Label specifications
- **Name**:
- **Ports**:
- 4 × RJ45: 10/100/1000/2500 Mbps
- 2 × SFP+: 1000 / 2500 / 10000 Mbps
<img src="photos/SWTG024AS-A-V2_0_1_19650/horaco-zx-sg4t2-label.jpg" width="300" />
### What works
The device is fully supported:
- ALL 2.5GBASE-T RJ45 ports work at 10/100/1000/2500 Mbps
- The SFP+ port supports 1G, 2.5G and 10G modules
### PCB overview
**Board markings**
- Top silkscreen: PCB-SWTG024AS-A-V2.0.1_19650
Top side
<img src="photos/SWTG024AS-A-V2_0_1_19650/horaco-zx-sg4t2-pcb-top.jpg" width="300" />
Bottom
<img src="photos/SWTG024AS-A-V2_0_1_19650/horaco-zx-sg4t2-pcb-bottom.jpg" width="300" />
### J1, serial console
| `J1` pin | Signal |
| -------- | ----------- |
| 1 | 3V3 |
| 2 | GND |
| 3 | RX (Input) |
| 4 | TX (Output) |