1. Kirish
The Huawei OptiXstar K251a-21 is a sub-FTTR (Fiber to the Room) unit designed to extend the high-speed network provided by the Huawei FTTR OptiXstar F50 Plus main unit. This device supports ultra-Gigabit high-speed access via upstream fiber optic lines and delivers Ultra Gigabit dual-band Wi-Fi and ultra-Gigabit network ports to users. It integrates next-generation Wi-Fi 7 technology for higher speeds and lower latency, ensuring a superior home network experience.
2. Xavfsizlik ma'lumotlari
Please read and understand all safety instructions before using this device. Failure to follow these instructions may result in injury, damage to the device, or property damage.
- Faqat qurilma bilan birga kelgan quvvat adapteridan foydalaning.
- Qurilmani suvga, namlikka yoki haddan tashqari haroratga ta'sir qilmang.
- Qurilmani issiqlik manbalari yaqiniga yoki to'g'ridan-to'g'ri quyosh nuriga qo'ymang.
- Haddan tashqari issiqlikning oldini olish uchun to'g'ri shamollatishni ta'minlang.
- Qurilmani o'zingiz ochishga yoki ta'mirlashga urinmang. Yordam olish uchun malakali xizmat ko'rsatish xodimlariga murojaat qiling.
- Qurilmani bolalar va uy hayvonlaridan uzoqroq tuting.
3. Paket tarkibi
Paketingizda barcha narsalar mavjudligini tekshiring:
- Huawei OptiXstar K251a-21 Sub FTTR Device
- Quvvat kabeli
- Tez boshlash qo'llanmasi (agar mavjud bo'lsa)
4. Mahsulot tugadiview
Familiarize yourself with the device's components and indicators.

1-rasm: Old view of the Huawei OptiXstar K251a-21 Sub FTTR device, showing the Huawei logo and "WiFi 7" branding.

2-rasm: Burchakli old tomon view of the Huawei OptiXstar K251a-21 Sub FTTR, highlighting its sleek design and ventilation.

3-rasm: orqa view of the Huawei OptiXstar K251a-21 Sub FTTR, displaying the ports (Reset, 2-GE, 1-2.5GE, Power, FTTR) and mounting options.

4-rasm: Side profile of the Huawei OptiXstar K251a-21 Sub FTTR, showing its slim form factor and ventilation grilles.

5-rasm: Burchakli orqa view of the Huawei OptiXstar K251a-21 Sub FTTR, providing a clear look at the port labels and layout.

6-rasm: Yuqori view of the Huawei OptiXstar K251a-21 Sub FTTR, featuring the WPS/LED button.
Portlar va tugmalar:
- FTTR Port: Connects to the main FTTR unit via a fiber optic cable.
- 1-2.5GE Port: Gigabit Ethernet port for high-speed wired connections.
- 2-GE Port: Simli ulanishlar uchun Gigabit Ethernet porti.
- Quvvat porti: Quvvat adapteriga ulanadi.
- Qayta tiklash tugmasi: Used to restore factory settings (press and hold for 5-10 seconds).
- WPS/LED Button: Initiates Wi-Fi Protected Setup (WPS) for easy device connection and controls LED indicators.
5. Sozlash
Follow these steps to set up your Huawei OptiXstar K251a-21 Sub FTTR device:
- Joylashtirish: Choose a central location in your home for optimal Wi-Fi coverage. The device is suitable for various installation scenarios, including vertical placement on a desk, wall-mounting, plugging into a power strip, or mounting in an 86mm junction box with a bracket.
- Optik tolali kabelni ulang: Connect one end of the fiber optic cable to the FTTR port on the Sub FTTR unit and the other end to the corresponding FTTR port on your Huawei FTTR OptiXstar F50 Plus main unit or wall outlet. Ensure the connection is secure.
- Quvvatni ulash: Plug the power adapter into the Power port on the Sub FTTR unit, then plug the other end into a power outlet.
- Yoqilgan: The device will automatically power on. Wait for the indicator lights to stabilize, typically indicating a successful connection to the main FTTR unit and active Wi-Fi.
- Wired Connections (Optional): For wired devices, connect an Ethernet cable from the 1-2.5GE or 2-GE ports on the Sub FTTR to your computer, gaming console, or other network devices.
6. Operatsion
Once set up, your OptiXstar K251a-21 provides seamless Wi-Fi 7 connectivity.
- Wi-Fi ulanishi: Ni qidirish the Wi-Fi network name (SSID) broadcast by your FTTR system on your devices (smartphones, laptops, etc.). Enter the Wi-Fi password. The system's unique SRCN (Seamless Roaming Coordinate Network) technology ensures seamless roaming throughout your home.
- C-WAN Architecture: The C-WAN architecture centrally controls and coordinates network-wide Wi-Fi resources via the Main FTTR, providing an ultra-Gigabit high-speed experience.
- IoT Casing: The device features an IoT casing designed to protect home network security and privacy.
- WPS funksiyasi: Press the WPS/LED button briefly to use Wi-Fi Protected Setup (WPS) for quick connection of compatible devices without entering the password.
- LED ko'rsatkichlari: The LED indicators provide status information. Refer to the main FTTR unit's manual or the device's specific documentation for detailed LED status meanings.
7. Xizmat ko'rsatish
Regular maintenance helps ensure optimal performance and longevity of your device.
- Tozalash: Gently wipe the device with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Dasturiy ta'minotni yangilash: Huawei periodically releases firmware updates to improve performance and security. These updates are typically managed through the main FTTR unit or a dedicated mobile application. Ensure your system is always running the latest firmware.
- Ventilyatsiya: Haddan tashqari issiqlikning oldini olish uchun ventilyatsiya teshiklari yopilmaganligiga ishonch hosil qiling.
- Kabelni boshqarish: Keep fiber optic and power cables neatly organized and free from kinks or excessive bending.
8. Muammolarni bartaraf qilish; nosozliklarni TUZATISH
Muammolarga duch kelsangiz, quyidagi muammolarni bartaraf etish choralarini ko'ring:
- Quvvat yo'q: Check if the power cable is securely connected to both the device and the power outlet. Try a different outlet.
- Internetga ulanish yo'q:
- Verify that the fiber optic cable is correctly connected to the FTTR port.
- Check the status indicators on both the Sub FTTR and the main FTTR unit.
- Restart both the Sub FTTR and the main FTTR unit by unplugging them from power for 30 seconds and then plugging them back in.
- Ensure your main FTTR unit has an active internet connection.
- Sekin Wi-Fi tezligi:
- Ensure the device is placed optimally, away from obstructions and interference sources.
- Check if too many devices are connected to the network.
- Update the firmware of your FTTR system.
- Consider using a wired connection for bandwidth-intensive tasks.
- Wi-Fi tarmog‘iga ulanib bo‘lmadi:
- To'g'ri Wi-Fi parolini kiritganingizni tekshiring.
- Try using the WPS button to connect.
- Restart your device and the Sub FTTR unit.
- Zavod parametrlarini tiklash: If issues persist, you may need to perform a factory reset. With the device powered on, use a pointed object (like a paperclip) to press and hold the Reset button for 5-10 seconds until the indicators change. Note that this will erase all custom settings.
9. Texnik shartlar
| Xususiyat | Spetsifikatsiya |
|---|---|
| Brend | HUAWEI |
| Model raqami | K8M251a-21G02 |
| O'lchamlari (paket) | 24.5 x 23.7 x 7.4 sm |
| Og'irligi (paket) | 300 gramm |
| Maxsus xususiyat | Internet xavfsizligi |
| Chastota diapazoni klassi | Ikki tarmoqli |
| Simsiz aloqa standarti | 802.11ax (Wi-Fi 7 Generation) |
| Mos qurilmalar | Shaxsiy kompyuter |
| Tavsiya etilgan foydalanish | Uy |
| Kiritilgan komponentlar | Quvvat kabeli |
| Ulanish texnologiyasi | Ethernet, FTTR, Wi-Fi, Fiberglass |
| Rang | Oq |
| Portlar soni | 4 (FTTR, 1-2.5GE, 2-GE, Power) |
| Ma'lumot uzatish tezligi | 1 Gigabits per second |
| Smart Home muvofiqligi | Compatible with smart home systems |
| Internetga ulanish | Ha |
| Ulanish protokoli | Wi-fi |
10. Kafolat va qo'llab-quvvatlash
For warranty information and technical support, please refer to the official Huawei website or contact your local Huawei customer service. Keep your purchase receipt for warranty claims.
Onlayn manbalar: Visit the official Huawei support webTez-tez so'raladigan savollar, yangilangan qo'llanmalar va dasturiy ta'minotni yuklab olish uchun sayt.
Mijozlarga xizmat ko'rsatish: Contact details for customer support can typically be found on the Huawei website or in the documentation provided with your main FTTR unit.