Merge pull request #435 from bennydiamond/Support_HYWS-SGT0108S

Support for Lianguo HYWS-SGT0108S 8 + 1 unmanaged
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René van Dorst authored and GitHub committed 2026-09-14 09:46:20 +02:00
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# Lianguo HYWS-SGT0108S
Following is documentation for unmanaged switch marked as `HYWS-SGT0108S`.
Original software is running UART on 9600 baud rate. Output is very minimal.
Using SPI clamp in-board is the only method for initial installation and update.
Stock flash chip is 512KB in size. Consider replacing for update through Web UI.
- Header for uart is clearly identified.
- The red LED act as a powered-on LED.
- There is no SYS LED.
- There is a footprint for a Reset button. Unpopulated. Unclear if routed back to RTL8373.
### Label specifications
- **Name**: 2.5G Ethernet Switch 8+1
- **Model**: HYWS-SGT0108S
- **Ports**:
- 8 × RJ45: 10/100/1000/2500 Mbps
- 1 × SFP: 1000 / 2500 / 10000 Mbps
### What works
- All eight 2.5GBASE-T RJ45 ports at 10/100/1000/2500 Mbps
- SFP port supporting 1G, 2.5G and 10G modules
- RJ45 LEDs (Blue+White)
- SFP Single LED (Blue)
### Assembled unit
Top side
<img src="photos/HYWS-SGT0108S-unmanaged\Assembled-top.jpg" width="300" />
Front
<img src="photos/HYWS-SGT0108S-unmanaged\Assembled-front.jpg" width="300" />
Bottom
<img src="photos/HYWS-SGT0108S-unmanaged\Assembled-bottom.jpg" width="300" />
### PCB overview
**Board markings**
- Top silkscreen: 2G5F_20G_V1.01 / 2023-09-28
Top side
<img src="photos/HYWS-SGT0108S-unmanaged\PCB-top.jpg" width="300" />
Bottom
<img src="photos/HYWS-SGT0108S-unmanaged\PCB-bot.jpg" width="300" />
Original SPI Flash Chip
<img src="photos/HYWS-SGT0108S-unmanaged\og_spi_flash.jpg" width="300" />
## Power supply
Input power is delivered via barell plug, `12V 1A` adapter was provided.
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@@ -33,6 +33,7 @@ The following devices have been tested and are fully working:
| Xikestore| SKS3200M-4GPY2XF| Yes | [SWTG024AS-v1.0](devices/SWTG024AS.md) | | 4 + 2 |
| XikeStor | SKS3200-8E1X | Yes | [SWTG118AS-V2.1-17462](devices/SWTGW218AS.md) | 2M | 8 + 1 |
| Ztyuav | Z-QWYT0402 | No | [PCB-K0402WS-V3.0](devices/PCB-K0402WS-V3.0.md) | | 4 + 2 |
| Lianguo | HYWS-SGT0108S | No | [2G5F_20G_V1.01](devices/HYWS-SGT0108S.md) | 0.5M | 8 + 1 |
For KP-9000-6XH-X2 / KP-9000-6XHML-X2 / Mokerlink 2G040210GSM devices, select
the machine target by PCB revision. The ML/non-ML or managed/unmanaged label
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@@ -1145,6 +1145,43 @@ __code const struct machine machine = {
},
};
#elif defined MACHINE_LIANGUO_HYWS_SGT0108S
__code const struct machine machine = {
.machine_name = "Lianguo HYWS-SGT0108S",
.isRTL8373 = 1,
.min_port = 0,
.max_port = 8,
.n_sfp = 1,
.log_to_phys_port = {2, 1, 4, 3, 5, 6, 7, 8, 9},
.phys_to_log_port = {1, 0, 3, 2, 4, 5, 6, 7, 8},
.is_sfp = {0, 0, 0, 0, 0, 0, 0, 0, 1},
.sfp_port[0].pin_detect = GPIO30_ACL_BIT3_EN,
.sfp_port[0].pin_los = GPIO37,
.sfp_port[0].pin_tx_disable = GPIO_NA,
.sfp_port[0].sds = 1,
.sfp_port[0].i2c = {
.sda = GPIO39_I2C_SDA4,
.scl = GPIO40_I2C_SCL3_MDC1
},
.reset_pin = GPIO_NA,
.high_leds = { .mux = 0, .enable = 0 },
.port_led_set = { 0, 0, 0, 0, 0, 0, 0, 0, 1 },
.led_sets = {
{
LEDS_2G5 | LEDS_1G | LEDS_100M | LEDS_10M | LEDS_LINK | LEDS_ACT, // RJ45 Blue LEDs
LEDS_2G5 | LEDS_LINK, // RJ45 White LEDs
0,
0
},
{
LEDS_10G | LEDS_2G5 | LEDS_1G | LEDS_100M | LEDS_10M | LEDS_LINK | LEDS_ACT, // SFP blue LED?
0,
0,
0
},
},
#elif defined MACHINE_POE_2G080110GS
__code const struct machine machine = {
.machine_name = "MokerLink POE-2G080110GS",