40GBASE-PLR4 Compliant with QSFP+ MSA and IEEE 802.3 ba 40GBASE-LR4, standard. Digital diagnostics functions are also available via the I2C interface, compatible for Cisco ecoding as QSFP-4X10G-LR-S also ^^ 40G QSFP+PLR440GBASE-PLR4 and 40GBASE-PSM4 are same, both of them are QSFP+ transceiver module12 Fibers MTP/MPO Male connectors, up to 10km on single mode Fiber (MMF), long distance transmission over singlemode fiber 1310nm, 4 independent full-duplex channels. Hot Pluggable, DDM Built-in digital diagnostic functions, 0C to 70C (32 to 158F) ^^ 4x10G40GBASE-PLR4 QSFP+ transceiver module, supports link lengths of up to 10km on G.
652 Single-Mode Fiber (SMF). It enables high-bandwidth 40G optical links over 12-fiber parallel fiber terminated with MPO/MTP multifiber female connectors. It can also be used in a 4x10G mode for interoperability with 10GBASE-LR interfaces up to 10km. ^^ Connector & Cable40GBASE-PLR4 QSFP+ transceivers use single mode fiber cables with MTP/MPO-12 connectors. It support single mode fibers SMF up to 10km. hot Pluggable, easy to install ^^ 3 Warranty30-Days Free-returned, 65-Days Free-replacement 5-Years Free-maintenance, Fibermall supports regular custom service for your options.