User Manual
Model: AUA800U
Brand: Walfront
The Walfront AUA800U Optical Time Domain Reflectometer (OTDR) is a versatile and powerful instrument designed for the evaluation of FTTx and access network construction and maintenance. It integrates multiple functions including OTDR, Stable Light Source (LS), Optical Power Meter (OPM), Visual Fault Locator (VFL), and RJ45 cable testing capabilities. With its 4.3-inch touchable color display, it provides an intuitive interface for identifying fiber breaks, measuring optical cable lengths, and calculating relative optical power loss, ensuring efficient and accurate fiber optic network diagnostics.
Please read all safety warnings and instructions carefully before using the AUA800U OTDR. Failure to follow these instructions may result in injury or damage to the device.
Төмөндө көрсөтүлгөн бардык буюмдар таңгагыңызда бар экенин текшериңиз. Эгерде кандайдыр бир буюмдар жок болсо же бузулуп калса, жеткирүүчүңүзгө кайрылыңыз.

Figure 3.1: AUA800U OTDR with its complete set of accessories, including the main unit, storage bag, RJ45 receiver, charging cable, plug, and various adapters.
Familiarize yourself with the main components and interfaces of the AUA800U OTDR.

Figure 4.1: Detailed diagram of the AUA800U OTDR's interfaces and controls. Key features include the 4.3-inch color LCD, VFL interface, OTDR/LS optical fiber interface, OPM interface, RJ45 interfaces (LAN1, LAN2), USB port, TF (Micro SD) card slot, and various control buttons (OK, SET, ESC, Direction keys, Power).

Сүрөт 4.2: Жакын пландан view of the optical interfaces on the AUA800U OTDR. These include the VFL Red Light Source Interface (1), OTDR/Stable Light Source Interface (2), OPM Optical Power Meter Interface (3), and an LED lamp Flashlight (4). Various adapters like FC and SC are shown for compatibility.

Figure 4.3: Dimensions of the AUA800U OTDR unit, showing approximate measurements of 173mm (6.81in) in length, 109mm (4.29in) in width, and 45mm (1.77in) in height.
The AUA800U OTDR has a built-in 3.7V, 4000mAh Li-battery. Before first use, ensure the device is fully charged.
The RJ45 Receiver requires 2 x AAA batteries (not included).
Press and hold the power button (usually located near the bottom right of the screen) for a few seconds to turn the device on or off.
The AUA800U OTDR features a 4.3-inch touchable color display for easy navigation and operation. The main interface provides access to various functions.

Figure 6.1: The main interface of the AUA800U OTDR, displaying icons for various functions such as Auto OTDR, Expert OTDR, Event Map, OPM, VFL, Laser Source, Loss Test, RJ45 Length, RJ45 Sequence, RJ45 Tracking, End Face Detection, File Management, and System settings.
The OTDR function is crucial for fiber optic cable testing, identifying breaks, and measuring lengths.

Figure 6.2: Screenshots illustrating the interfaces for Auto OTDR, Expert OTDR, Event Map, and OPM functions. These show graphical representations of fiber attenuation, event lists, and power measurements.
This mode simplifies testing by automatically setting parameters.

Figure 6.3: The Auto OTDR test function screen, showing the graph of the fiber optic cable, settings, zoom, cursor A, and file options. The user only needs to set wavelength and measurement time.
For advanced users, this mode allows manual configuration of test parameters.
The Event Map function provides a graphical representation of events along the fiber.
The VFL function emits a visible red laser light to quickly locate breaks, bends, or poor connections in fiber optic cables over short distances.

Figure 6.4: Screenshots showing the VFL, Laser Source, and File Operation interfaces. The VFL screen indicates open/closed status and frequency options (1Hz, 2Hz). The Laser Source screen shows wavelength and operating modes. The File Operation screen displays saved test files.
The stable light source function provides a continuous optical signal for loss measurement.
The OPM function measures the optical power of a fiber optic signal.
The AUA800U OTDR includes functions for testing RJ45 network cables.

Figure 6.5: The RJ45 cable testing interface, showing options for line seeking (tracking), line sequence measurement, and line length measurement. The remote RJ45 unit is also depicted.
The AUA800U OTDR allows you to save, open, delete, and rename test files.
Proper maintenance ensures the longevity and accuracy of your AUA800U OTDR.
This section addresses common issues you might encounter with the AUA800U OTDR.
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Түзмөк күйбөйт. | Low battery; Power button not pressed long enough; Device malfunction. | Charge the device fully. Press and hold the power button for at least 3-5 seconds. If issue persists, contact support. |
| OTDR/OPM көрсөткүчтөрү туура эмес. | Dirty optical connectors; Incorrect test parameters; Damaged fiber. | Clean all optical connectors thoroughly. Verify test parameters (wavelength, range, pulse width). Inspect fiber for damage. |
| VFL жарыгы күңүрт же көрүнбөйт. | Dirty VFL port; Fiber not properly connected; VFL turned off. | Clean the VFL port. Ensure fiber is securely connected. Turn on VFL from the menu. |
| RJ45 test fails or is inaccurate. | RJ45 receiver batteries low/dead; Cable not properly connected; Faulty RJ45 cable. | Replace AAA batteries in the RJ45 receiver. Ensure both ends of the cable are securely connected. Test with a known good cable. |
| Экран жооп бербей жатат. | Software glitch; Extreme temperature. | Restart the device. Ensure operating within specified temperature range. |
Detailed technical specifications for the AUA800U Optical Time Domain Reflectometer.
| Өзгөчөлүк | Спецификация |
|---|---|
| Элемент түрү | Убакыт доменинин оптикалык рефлектометри |
| Модел | AUA800U |
| Материал | ABS |
| Туташтыргыч модели | UPC |
| Test Wavelength | 1310нм, 1550нм |
| Сыноо диапазону | 5m - 100km |
| Динамикалык диапазон | 26дБ, 24дБ |
| Дисплей | 4.3 inch touchable color display |
| Электр менен камсыздоо (негизги блок) | Built-in 3.7V, 4000mAh Li-battery |
| Power Supply (RJ45 Receiver) | 2 x AAA батарейкалар (киргизилген эмес) |
| VFL Red Light Source Interface | 2.5mm universal (SC, FC, ST) |
| OTDR / Stable Light Source Interface | Changeable (SC, UPC, FC, UPC) |
| OPM Optical Power Meter Interface | 2.5mm universal (SC, FC, ST) |
| Пакеттин өлчөмдөрү | 8.66 x 5.12 x 3.94 дюйм |
| Элемент моделинин номери | WALFRONTnosqd9v84e |
| Өндүрүүчү | WALFRONT |
| Келип чыккан өлкө | Кытай |
For warranty information and technical support, please refer to the documentation provided with your purchase or contact Walfront customer service through their official channels. Keep your purchase receipt as proof of purchase for warranty claims.
For further assistance, you may visit the Walfront Store on Amazon: Walfront Amazon Store
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