With the mass construction of data centers and 5G networks, the demand for high-speed optical modules will increase rapidly. At present, the high-speed optical modules entering mass production mainly include:
(1). 400G rate：QSFP/QSFP-DD
(2). 200G rate：QSFP/QSFP-DD
(3). 100G rate：QSFP28/CFP4/CFP2/CFP/CXP
(4). 25G rate：SFP28
(5). 10G rate：SFP+/XFP
Challenges for optical module testing
(1). Test items, test equipment complex.
(2). Testing takes a huge amount of time and human resources.
(3). The cost of test equipment and the development cost of the whole test system is high.
25G TOSA test system block diagram：
25G ROSA test system block diagram：
Optical module finish goods test system block diagram：
One-stop test solution will bring new value to customers, save labor cost for customers, reduce the number of test stations and the development cycle of product test system. in the meantime simplify the difficulty of test operation, achieve flexible equipment configuration and reduce the total cost of test equipments.
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