H3C QSFP-40G-BIDI-WDM850 Compatible 40G QSFP+ SWDM4 850nm-940nm 350m LC MMF DDM Optical Transceiver
H3C QSFP-40G-BIDI-WDM850 Compatible 40G SWDM4 Transceiver Module is compliant with the QSFP+ MSA and IEEE 802.3ba, which provides digital diagnostics functions.

