GIGALIGHT’s 40G/100G QSFP optical transceiver checker can be used to test optical transceivers, AOC and DAC. The checker can read and display the detailed information of the EEPROM inside the optical module, including product model, supplier name, product description and operating temperature range, etc., and monitor all DDM information.If you know the password of the optical module, you can use the checker to change the EEPROM information of the module.The QSFP Checker combines the Serial Pattern Generator, Bit Error RateAnalyzer.It supports 40Gbps，100Gbps and 112Gbps bit error rate test.The friendly graphic user interface (GUI) provides clear monitoring for bit error rate, bit error counter, time, status, power of the module, selection of data rate and PRBS pattern.