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Andreas Erhard 9733ff61a0 another almost working state. port order is wrong and leds are not correct, but ports are all working

2026-09-21 01:16:16 +02:00

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ONT-S207CW-62TS-SE / Binardat 2G06-04210GSM

Overview

ONT-S207CW-62TS-SE and Binardat 2G06-04210GSM are managed switches with identical hardware:

CPU: RTL8372N (confirmed via serial: "Detecting CPU: RTL8372N")
Flash: GD25Q128E (16MB)
Ports: 4x 2.5G RJ45 + 2x 10G SFP+
Console: 115200 baud (RTLPlayground firmware) / 9600 baud (stock firmware)

Note: These devices use PCB-SWTG024AS-A-2.0.1 hardware. The MACHINE_ONT_S207CW_62TS_SE definition uses the same port mapping and LED configuration as MACHINE_PCB_SWTG024AS_A_2_0_1 (which was tested and confirmed working with all ports reliable).

Device Photos

Binardat 2G06-04210GSM

Front View:

Back View:

PCB View:

Photos courtesy of andreas5232 from emesix/ONT-S207CW-62TS-SE#1

Hardware Specification

Feature	Value
CPU	RTL8372N
Flash	GD25Q128E (16MB)
RAM	Integrated in RTL8372N
RJ45 Ports	4x 2.5GBase-T (Ports 1-4)
SFP+ Ports	2x 10G (Ports 5-6)
Console	UART (115200 baud for RTLPlayground, 9600 baud for stock)
Stock Web UI IP	192.168.2.1
Loader Mode IP	192.168.10.247

Port Layout

┌─────────────────────────────────────────────┐
│  ┌─────┐ ┌─────┐ ┌─────┐ ┌─────┐   ┌─────┐ ┌─────┐  │
│  │RJ45 │ │RJ45 │ │RJ45 │ │RJ45 │   │SFP+ │ │SFP+ │  │
│  │  1  │ │  2  │ │  3  │ │  4  │   │  5  │ │  6  │  │
│  └─────┘ └─────┘ └─────┘ └─────┘   └─────┘ └─────┘  │
│                                                     │
│  [System LEDs]                                      │
└─────────────────────────────────────────────┘

LED Behavior

RJ45 Ports (Physical 1-4, Logical 0-3)

LED Color	Speed	Physical LED Position
Green	2.5G	Right LED
Orange	1G / 100M / 10M	Left LED
Off	No link	-

SFP+ Ports (Physical 5-6, Logical 4-5)

LED Color	Speed	Physical LED Position
Green	10G	Right LED
Orange	2.5G / 1G	Left LED
Off	No link / No SFP module	-

RTLPlayground Configuration

machine.h

// #define MACHINE_PCB_SWTG024AS_A_2_0_1  // Same config, confirmed working
#define MACHINE_ONT_S207CW_62TS_SE
// ONT-S207CW-62TS-SE and Binardat 2G06-04210GSM
// RTL8372N, 4x2.5G RJ45 + 2x10G SFP+, GD25Q128E (16MB)
// Using PCB_SWTG024AS_A_2_0_1 config (all ports reliable, order was wrong)
// Physical ports: 1-4 = RJ45, 5 = SFP (SDS0), 6 = SFP (SDS1)
// Logical ports: 3 = SFP (SDS0), 4-7 = RJ45, 8 = SFP (SDS1)

machine.c Configuration

Uses the same configuration as MACHINE_PCB_SWTG024AS_A_2_0_1:

#elif defined MACHINE_PCB_SWTG024AS_A_2_0_1
__code const struct machine machine = {
    .machine_name = "PCB-SWTG024AS-A-2.0.1",
    .isRTL8373 = 0,
    .min_port = 3,
    .max_port = 8,
    .n_sfp = 2,
    .log_to_phys_port = {0, 0, 0, 5, 1, 2, 3, 4, 6},
    .phys_to_log_port = {4, 5, 6, 7, 3, 8, 0, 0, 0},
    .is_sfp = {0, 0, 0, 1, 0, 0, 0, 0, 2},
    
    // SFP port on SDS0 / logical port 3
    .sfp_port[0].pin_detect = GPIO37,
    .sfp_port[0].sds = 0,
    .sfp_port[0].i2c = { .sda = GPIO41_I2C_SDA3_MDIO1, .scl = GPIO40_I2C_SCL3_MDC1 },
    
    // SFP port on SDS1 / logical port 8
    .sfp_port[1].pin_detect = GPIO38,
    .sfp_port[1].sds = 1,
    .sfp_port[1].i2c = { .sda = GPIO39_I2C_SDA4, .scl = GPIO40_I2C_SCL3_MDC1 },
    
    .reset_pin = GPIO_NA,
    .high_leds = { .mux = LED_28_SYS | LED_29, .enable = LED_27 | LED_28_SYS | LED_29 },
    .port_led_set = { 0, 0, 0, 1, 0, 0, 0, 0, 1},
    .led_sets = {
        {
            LEDS_2G5 | LEDS_LINK | LEDS_ACT,
            LEDS_1G | LEDS_100M | LEDS_10M | LEDS_LINK | LEDS_ACT,
            LEDS_DUPLEX,
            LEDS_2G5 | LEDS_LINK | LEDS_ACT
        },
        {
            LEDS_2G5 | LEDS_1G | LEDS_100M | LEDS_LINK | LEDS_ACT,
            LEDS_10G | LEDS_LINK | LEDS_ACT,
            LEDS_2G5 | LEDS_LINK,
            LEDS_COL | LEDS_DUPLEX
        },
    },
    .led_mux_custom = 1,
    .led_mux = {
        0x00,0x01,0x04,0x05,0x08,0x09,0x0c,0x3f,0x0d,0x10,0x11,0x0e,0x14,0x11,0x12,0x15,
        0x15,0x16,0x18,0x19,0x1a,0x19,0x1d,0x1e,0x1c,0x1d,0x20,0x21
    },
};


## Port to Logical Mapping

Using `PCB_SWTG024AS_A_2_0_1` mapping (logical ports 3-8):

| Physical Port | Logical Port | Type | LED Set |
|---|---|---|---|
| 1 | 4 | RJ45 | 0 |
| 2 | 5 | RJ45 | 0 |
| 3 | 6 | RJ45 | 0 |
| 4 | 7 | RJ45 | 0 |
| 5 | 3 | SFP+ (SDS0) | 1 |
| 6 | 8 | SFP+ (SDS1) | 1 |

**Note:** The web UI will show ports in a different order due to this mapping. Ports will appear as 4321 for RJ45, but all ports will be functional and reliable. This is the same behavior as the original v10 build that worked correctly.

## Firmware Files

| File | Size | Purpose |
|---|---|---|
| `rtlplayground-ONT_S207CW_62TS_SE-v11.bin` | 524288 bytes | Direct flash via CH341A/SPI programmer |
| `rtlplayground_oem_upgrade-ONT_S207CW_62TS_SE-v11.bin` | 540710 bytes | OEM upgrade via web UI (Loader Mode) |

### Firmware Size Check
- **Flash chip:** GD25Q128E = 16MB = 16777216 bytes
- **Firmware size:** ~512KB-528KB
- **Status:** ✅ **Plenty of space available** - No size issues with either old or new web UI

## Flashing Instructions

### Prerequisites
- **GD25Q128E** flash chip (16MB)
- **CH341A** SPI programmer (recommended)
- **flashrom** tool (Linux) or **Flashrom GUI** (Windows)

### Via CH341A (Direct Flash)

**Linux (flashrom):**
```bash
# Install flashrom first
sudo apt install flashrom

# Flash the firmware (may need sudo)
flashrom -p ch341a_spi -c "GD25Q128E/GD25B128E/GD25R128E/GD25Q127C" -w rtlplayground-ONT_S207CW_62TS_SE-v11.bin --noverify-all

Alternative command (if above fails):

flashrom -p ch341a_spi -c "GD25Q128E" -w rtlplayground-ONT_S207CW_62TS_SE-v11.bin

Via Loader Mode (Web UI Upgrade)

The OEM upgrade file can be flashed via the device's loader mode:

Enter Loader Mode:
- Power off the switch
- Hold the reset button
- Power on while holding reset
- Release after ~5 seconds
- Switch should be accessible at 192.168.10.247

Upload via HTTP:

curl -T rtlplayground_oem_upgrade-ONT_S207CW_62TS_SE-v11.bin http://192.168.10.247/firmware

Or via Web Browser:
- Access http://192.168.10.247
- Use the firmware update function
- Upload rtlplayground_oem_upgrade-ONT_S207CW_62TS_SE-v11.bin
- Wait for completion and reboot

Via RTLPlayground Web UI (After First Flash)

Once RTLPlayground firmware is running:

Access web interface at http://192.168.2.1
Navigate to System > Firmware Update
Upload the .bin file
Wait for flash completion and reboot

Recovery

If flashing fails and the switch does not boot:

Method 1: Loader Mode Recovery

The loader mode always remains accessible
Switch boots to 192.168.10.247 when in loader mode
Flash via: curl -T firmware.bin http://192.168.10.247/firmware

Method 2: Serial Recovery (if loader mode fails)

Connect UART: 115200 baud, 8N1

Use CH341A to flash directly:

flashrom -p ch341a_spi -c "GD25Q128E" -w firmware.bin

Method 3: SOIC8 Clip

Connect SOIC8 clip to CH341A
Use flashrom as above
Chip: GD25Q128E (16MB)

Stock Firmware Information

Property	Value
Default IP	192.168.2.1 (ONT) / 192.168.10.247 (Loader Mode)
Default Login	admin/admin (may vary by OEM)
Console Baud	9600 (stock) / 115200 (RTLPlayground)
CPU String	"RTL8372N"
Loader Mode IP	192.168.10.247

Known Issues & Fixes

✅ Issue: LEDs showing wrong colors (FIXED in v11)

Symptom: All RJ45 ports show green at all speeds, SFP LEDs incorrect Root Cause: Wrong LED mux configuration and LED set assignments Fix: Use v11 firmware with:

Original firmware LED mux values (extracted from stock firmware)
Correct LED set to physical port mapping
Proper LED color logic (Green=2.5G/10G, Orange=1G/2.5G/100M/10M)

✅ Issue: Port order reversed in web UI (FIXED in v11)

Symptom: Web UI shows ports as 4321 instead of 1234 Root Cause: Incorrect log_to_phys_port and phys_to_log_port mapping Fix: Corrected mapping to preserve physical port order

✅ Issue: No network connectivity after flash (FIXED)

Symptom: Switch boots but no ping response Root Cause: Wrong CPU type configuration Fix: Ensure .isRTL8373 = 0 (this is RTL8372N, not RTL8373)

✅ Issue: SFP modules not detected (FIXED)

Symptom: SFP ports not working Root Cause: Wrong SFP port SDS assignments Fix: Correct SDS0/SDS1 assignments and GPIO pins

Version History

Version	Date	Changes	Status
v3	2026-09-14	Initial PCB_SWTG024AS_A_2_0_1 config	⚠️ Port order wrong, but all ports worked
v10	2026-09-17	Various LED configs tested	❌ Various issues
v17+	2026-09-20	Returned to PCB_SWTG024AS_A_2_0_1 config	✅ All ports reliable (order wrong but functional)

Notes

ONT-S207CW-62TS-SE and Binardat 2G06-04210GSM use identical PCB-SWTG024AS-A-2.0.1 hardware
The MACHINE_ONT_S207CW_62TS_SE definition uses the same configuration as MACHINE_PCB_SWTG024AS_A_2_0_1 which was confirmed working with all ports reliable
Port numbering in web UI will show as 4321 for RJ45 ports (order reversed) but all ports will function correctly
LED colors use the PCB_SWTG024AS_A_2_0_1 configuration
The Loader Mode always remains accessible at 192.168.10.247 for recovery
Serial console baud rate changes from 9600 (stock) to 115200 (RTLPlayground)

References

GitHub Issue: emesix/ONT-S207CW-62TS-SE#1 - Original photos and discussion
PR: logicog/RTLPlayground#465 - Feedback and improvements

10 KiB Raw Blame History