Arista qsfp-40g-univ, xvr-10071-20 universal qsfp, 1310nm, qsfp+
universal qsfp+ optic, up to 150m over duplex om3 and om4 mmf or 500m over duplex smf
the arista qsfp-40g-univ is a qsfp 40gbe transceiver with a duplex lc connector that can be
used with both multi-mode (mm) and single-mode (sm) fiber. it has 4 channels of 10g multiplexed
inside the module to transmit and receive an aggregate 40g signal over 2 strands of fiber.
it is called universal because of its ability to operate with both mm and sm fiber without the need for
any software/hardware changes to the module or any additional hardware in the network.