LOOPBACK-QSFP5 Attenuation (5.0dB) 40G QSFP+ Electrical Passive Testing Loopback Module
F-tone LOOPBACK-QSFP5 Attenuation (5.0dB loopback QSFP+ ports for testing on host boards. Substituting a transceiver with an electrical loopback is cost-effective.





