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Burst Error Ratio Tester


10G Burst Mode Bit Error Ratio Tester

Semight Instruments rBT1250 is specially designed for optical line terminal (OLT) test of passive optical network (PON) applications, and supports 1.25G EPON, GPON, 2.5G XGPON, Combo PON, 10G EPON and 10G XGSPON burst bit error testing and analysis.


  • High compatibility

    Supports various PON OLT rates of 10.3125 Gbps and below
  • Support Combo-PON test

    Dual reset signal, support Combo-PON test
  • SD test

    Individual LOS monitoring/SD monitoring/LOS judgment for each channel
  • Built-in clock recovery

    It can work in a real long-fiber environment, avoiding the influence of long-fiber on delay and jitter

Features and Benefits

  • Dual reset signal, the reset position is adjustable (Combo-pon must have 2 reset signals)
  • Double packet test

    Each data packet has different attenuation, there are jumps between the phases of different data packets, and there are long consecutive "1" and "0" in the data packet;
    Need to simulate the worst 2 ONU signal generation.
  • Built-in clock recovery, support long fiber test

    The built-in clock recovery enables the rBT1250 to work in a real long-fiber working environment, which is basically impossible in other solutions commonly used in the industry, because those systems do not support clock recovery,It cannot adapt to the influence of long fiber on delay and jitter.
Pattern Generator Specifications
Output Type Difference

AC/DC Coupling, 100 Ω Termination

Single Ended

AC Coupling, 50 Ω Termination

Output Amplitude

100-600 mVp-p


Output Channel

3 independent Channels

Support Burst/Continuous mode signal generation 


PRBS7,23,31, User Defined,CID pattern

Support Data Rate

1.25/2.5/9.953/10.3125 Gbps

Rise Time

<40 ps



<12 ps

Peak to peak Jitter


Support pre-weighting adjustment to improve the impact of test cable test fixture on signal quality 

Pattern Sequence

Each channel supports independent preamble/dead load/protection time pattern sequence setting

CID Pattern

Support add continuous “1”,continuous “0” pattern as length from 64-88 bits(adjustable)




  • rBT1250 X-PON突发信号误码测试仪-使用说明书

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