Moduletek has launched a new model DAC-QSFP-DD-400G-P-xxAWG-aa.aaM 400G passive DAC products, package QSFP-DD, 8-channel 50G PAM4 signals, transmission distance of up to 3 meters,  Moduletek laboratory prototype testing of the product to facilitate a further understanding of the product's performance indicators and actual machine . The product prototype was tested in Moduletek's laboratory to facilitate further understanding of the product's performance indicators and actual machine use.
1. Product Pictures
Picture of  Moduletek's 400G DAC
Figure 1 Picture of  Moduletek's 400G DAC 
2. On-line test
        Take DAC-QSFP-DD-400G-P-30AWG-1M as an example, and conduct on-board testing on Cisco C9500X-60L4D, Arista DCS-7060DX4-32-F, and Mellanox MSN4700-WS2FC respectively, and the tests are all normal, and the test results are as follows.
        Test results on Cisco C9500X-60L4D as follows.
        Identify results:
        LINK results:
        Test results on Arista DCS-7060DX4-32-F as follow.
Identify result:
LINK result:
        Test results on Mellanox MSN4700-WS2FC as follow.
Identify result:
LINK result:
        Moduletek's 400G passive DACs are tested normally on mainstream switches with good compatibility, welcome to purchase.
        Moduletek Limited is at your service.
        If you have any questions about the above content, please contact us via email: sales@moduletek.com