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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 but with different port mapping and LED configuration than the stock PCB-SWTG024AS-A-2.0.1 firmware. Therefore, they require their own machine definition (MACHINE_ONT_S207CW_62TS_SE).

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  // Different port/LED mapping
#define MACHINE_ONT_S207CW_62TS_SE
// ONT-S207CW-62TS-SE and Binardat 2G06-04210GSM
// RTL8372N, 4x2.5G RJ45 + 2x10G SFP+, GD25Q128E (16MB)
// Physical ports: 1-4 = RJ45, 5-6 = SFP
// Logical ports: 0-3 = RJ45 (phys 1-4), 4-5 = SFP (phys 5-6)
// LED colors: RJ45 = Green@2.5G, Orange@1G/100M/10M; SFP = Green@10G, Orange@1G/2.5G
// LED mux: Original firmware values (0x08144040, 0x1037f309, ...)

machine.c Configuration

#elif defined MACHINE_ONT_S207CW_62TS_SE
__code const struct machine machine = {
    .machine_name = "ONT-S207CW-62TS-SE / Binardat 2G06-04210GSM",
    .isRTL8373 = 0,                    // RTL8372N
    .mac_flash_offset = 0x1FC000,      // MAC address storage offset
    .min_port = 0,                    // First logical port
    .max_port = 5,                    // Last logical port (0-5 = 6 ports)
    .n_sfp = 2,
    // Physical to logical port mapping:
    // Physical port 1 -> Logical port 0 (RJ45)
    // Physical port 2 -> Logical port 1 (RJ45)
    // Physical port 3 -> Logical port 2 (RJ45)
    // Physical port 4 -> Logical port 3 (RJ45)
    // Physical port 5 -> Logical port 4 (SFP on SDS0)
    // Physical port 6 -> Logical port 5 (SFP on SDS1)
    .log_to_phys_port = {1, 2, 3, 4, 5, 6, 0, 0, 0},
    .phys_to_log_port = {0, 1, 2, 3, 4, 5, 0, 0, 0},
    .is_sfp = {0, 0, 0, 0, 1, 1, 0, 0, 0},  // Logical ports 4,5 are SFP

    // SFP port on SDS0 / logical port 4 / physical port 5
    .sfp_port[0].pin_detect = GPIO37,
    .sfp_port[0].pin_los = GPIO_NA,
    .sfp_port[0].pin_tx_disable = GPIO_NA,
    .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 5 / physical port 6
    .sfp_port[1].pin_detect = GPIO38,
    .sfp_port[1].pin_los = GPIO_NA,
    .sfp_port[1].pin_tx_disable = GPIO_NA,
    .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, 0, 1, 1, 0, 0, 0 },  // RJ45=SET0, SFP=SET1

    /* LED Configuration from original firmware:
     * RJ45 ports (logical 0-3, physical 1-4): SET0
     *   LED0 (Green): 2.5G Link+Activity
     *   LED1 (Orange): 1G/100M/10M Link+Activity
     * SFP+ ports (logical 4-5, physical 5-6): SET1
     *   LED0 (Green): 10G Link+Activity
     *   LED1 (Orange): 1G/2.5G Link+Activity
     */
    .led_sets = {
        { // SET0: RJ45 Ports
          LEDS_2G5 | LEDS_LINK | LEDS_ACT,                 // Green: 2.5G
          LEDS_1G | LEDS_100M | LEDS_10M | LEDS_LINK | LEDS_ACT, // Orange: 1G/100M/10M
          0,
          0 },
        { // SET1: SFP+ Ports
          LEDS_10G | LEDS_LINK | LEDS_ACT,               // Green: 10G
          LEDS_2G5 | LEDS_1G | LEDS_LINK | LEDS_ACT,   // Orange: 1G/2.5G
          0,
          0 },
    },
    .led_mux_custom = 1,
    // LED mux configuration extracted from original firmware
    // Corresponds to register values:
    // RTL837X_REG_LED_GLB_MUX_1: 0x08144040
    // RTL837X_REG_LED_GLB_MUX_2: 0x1037f309
    // RTL837X_REG_LED_GLB_MUX_3: 0x12454391
    // RTL837X_REG_LED_GLB_MUX_4: 0x19616555
    // RTL837X_REG_LED_GLB_MUX_5: 0x1c79d65a
    // RTL837X_REG_LED_GLB_MUX_6: 0x0002181d
    .led_mux = { 0x08, 0x14, 0x40, 0x40, 0x10, 0x37, 0xf3, 0x09,
                0x12, 0x45, 0x43, 0x91, 0x19, 0x61, 0x65, 0x55,
                0x1c, 0x79, 0xd6, 0x5a, 0x00, 0x02, 0x18, 0x1d,
                0x00, 0x00, 0x00, 0x00 },
};

Port to Logical Mapping

Physical Port Logical Port Type LED Set Web UI Display
1 0 RJ45 0 Port 1
2 1 RJ45 0 Port 2
3 2 RJ45 0 Port 3
4 3 RJ45 0 Port 4
5 4 SFP+ (SDS0) 1 Port 5
6 5 SFP+ (SDS1) 1 Port 6

Important: The web UI will show ports in the correct physical order (1-4 RJ45, 5-6 SFP) because the logical-to-physical mapping preserves the order.

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):

# 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:

  1. 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

  2. Upload via HTTP:

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

  3. 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:

  1. Access web interface at http://192.168.2.1
  2. Navigate to System > Firmware Update
  3. Upload the .bin file
  4. 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, LEDs wrong
v10 2026-09-17 LED colors corrected ⚠️ LEDs better, port order still wrong
v11 2026-09-18 Separate machine def, correct port mapping, original LED mux ✅ All working

Notes

  • This device shares PCB-SWTG024AS-A-2.0.1 hardware but requires different port mapping and LED configuration than the stock PCB-SWTG024AS-A-2.0.1 definition
  • Binardat 2G06-04210GSM is 100% hardware compatible with ONT-S207CW-62TS-SE
  • Port numbering in web UI now matches physical port order (1-4 RJ45, 5-6 SFP)
  • LED colors now match the labels on the device enclosure:
    • Green = 2.5G (RJ45) / 10G (SFP)
    • Orange = 1G/100M/10M (RJ45) / 1G/2.5G (SFP)
  • 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

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