The 40G QSFP+ ER4 transceivers are high performance, cost effective modules supporting data rate of 40Gbps and 40km transmission distance with SMF. The transceiver consists of three sections: 4 inputs channels (ch) of 10Gb/s electrical data to 4 CWDM optical signals, and multiplexes them into a single channel for 40Gb/s optical transmission; on the receiver side, the module optically de-multiplexes a 40Gb/s input into 4 CWDM channels signals, and converts them to 4 channel output electrical data; and MCU control unit. All modules satisfy class I laser safety requirements. The transceivers are compatible with 40GBASE-ER4 of IEEE802.3ba standard and SFF-8436 specification.
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