Which lane of the QSF28 to SFP28 adapter is being mapped to SFP28

Q：

For the QSFP to SF adapter, https://store.10gtek.com/fr/40g-to-10g-qsfp-to-sfp-adapter-qsa-converter-module-version-a-default/p-6695, which serdes lane is being mapped to the SFP? Is it lane[0] of the QSFP28?

A：

Thank you for your inquiry. Glad to contact you. Usually it is the first channel, and if the channels are CH0 to CH3, then it is CH0.