Cisco QSFP-40G-CSR4 Compatible 40G QSFP+ CSR4 850nm 400m MTP/MPO MMF DDM Transceiver Module
Cisco QSFP-40G-CSR4 Compatible 40GBase QSFP+ CSR4 Optical Module features 300m transmission over mutilmode fiber with a MTP/MPO connector at 850nm wave length.


