QSFP-40G-ER4 Duplex LC 40GBASE-ER4 40G 40km QSFP+ ER4 The 40G QSFP ER4 optical transceiver integrates the transmit and receive path onto one module. Four electric-absorption modulated lasers (DFBs) with 1270~1330nm center wavelengths, which multiplexed/demutiplexed into a single-mode fiber through an industry-standard LC connector. Each data steam is recovered by a PIN photodetector and transimpedance amplifier, retimed, and passed on to an output driver. Features: 4 CWDM channels are 1271, 1291,1311 and 1331 nm Single +3.3V power supply QSFP+ MSA compliant Up to 40km transmission Operating case temperature: 0~70C Maximum 3.5W operation power RoHS compliant Compliant with IEEE802.3ba Compliant with QSFP+ MSA: SFF-8436
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