AV6416 Portable OTDR

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AV6416 Portable OTDR

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AV6416 is the newest palm-OTDR based on FTTx network testing, which is small, lightweight and rugged. AV6416 offers three wavelengths and VLF in one handheld unit, especially for testing passive optical network(PON) in FTTx.

Main Features

  • 1.6m extra-short event dead zone
  • 0.25m high resolution, 65535 sampling points
  • Auto measuring with high speed, one-button operation
  • Advanced TFT transflective color LCD, visible clearly in outdoor
  • Visible fault locating (VFL)
  • Large internal memory for data storage
  • High speed USB port for connectivity and data storage
  • Over 10 hours of battery operation life
  • Write/read file in Bellcore GR196 file format
  • Attached with trace analyzing software, testing report can be generated conveniently
  • Unique function of updating system on-line, returning to factory is unnecessary

Extra-short event dead zone

AV6416 palm OTDR has extra-short event dead zone, which is suitable for testing short optical fiber and pigtail optical fiber.

High-speed auto measurement

The function of auto measurement of AV6416 palm OTDR makes it unnecessary to operator to know about the further details of operating. Simply connect the fiber, press [Start],then the result is displayed in a few seconds, you can view the trace and event table.

High-speed auto analyzation

AV6416 can search and locate the events and faults in trace rapidly and precisely, and then lists all events in even table, so it´s very useful to maintainers to improving efficiency and it´s unnecessary to know about the relative background knowledge.

Powerful file management

AV6416 offers powerful function of file management. Besides saving,browsing or deleting files to or from USB stick and built-in memory, it can be connected to laser or inkjet printer based on PCL language, and the testing report can be printed rapidly and easily. In addition, AV6416 can communicate with PC using ActiveSync via USB cable, through which the files can be translated rapidly.

Convenient VFL

The built-in 650nm visual fault location is ideal for easily identifying bad splice, bad connector, break or macro bend.

Communication light check

When measuring a fiber in service, the measuring result by an OTDR is not precise, and there is a potential risk of permanent damage to the internal photoelectric of OTDR receiver. To prevent these problems, the AV6418 OTDR can detect automatically and silently if communication light is present after the fiber under test is connected, once the light is verified present, simultaneously, a warning message will be displayed and internal OTDR protection will be active instantly.


AV6416 Palm OTDR is mainly used to measure FTTx network, it provides a low cost solution for users. AV6416 offers three measuring modes: manual mode (including real time mode and average mode), auto mode and dead zone mode. Manual measurement mode: manual mode is suitable for skilled operator who is familiar with the instrument. In this measurement mode, to get more accurate results, real-time mode or average mode can be selected if necessary. In real-time mode, the dynamic changes of fiber chain can be detected timely, it is very useful when you need to observe the effect and process of fiber being spliced or connected. In average measurement mode, the noise in trace can be suppressed, and the SNR(signal noise ratio) is improved, therefore,the result is more accurate. In fact, the more average times is executed, the more noise in trace is suppressed, and the longer time is spent for signal processing. In practice, the average times should be set properly according to necessity. Auto measurement mode: the optimized measurement conditions are set automatically, it´s unnecessary to operator to know about the complicated background knowledge and the further details of operating. In this mode, the more accurate results can be gained when proper average times are set, but it will increase the time of signal processing. Dead zone mode: this mode is suitable for testing optical fiber with short distance and the optimized settings of distance range, pulse width and attenuator can be executed automatically. To get the best result, the terminal return loss should be guaranteed less than -40dB.


Note 1: pulse width 10240ns, average times ≥300, SNR=1, 23°C±2°C;

Note 2: pulse width 10 ns, terminal reflection loss ≥40 dB, typ.;


  • U disk
  • Printer
  • USB data cable
  • nylon soft bag
  • spare battery bag
  • FC/SC, FC/ST adapter


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