Edge-Core ET6401-SR4 Compatible 40GBase-SR4 QSFP+ Transceiver (MMF, 850nm, 150m, MTP/MPO, DOM).The QSFP+ transceiver is probably the most widely-used and most popular 40G transceiv..
Edge-Core ET6401-LR4 Compatible 40GBASE-LR4 QSFP+ Optical Transceiver Module (SMF, 1310nm, 10km, LC, DOM).While the 40GBase-SR4 is used for short distance transmission, the 40GBase..
Edge-Core ET6401-ER4 Compatible 40GBASE-ER4 QSFP+ Transceiver (SMF, 1310nm, 40km, LC, DOM).The 40GBase-ER4 module can handle long distance transmission of data up to 40kms over SMF..