Fibrenet Compatible SFP, SFP+, Xenpak, QSFP and X2 Pluggable Transceivers - Fibrenet Fibrenet produces and distributes compatible optical networking transceivers for Cisco, Juniper, Ciena, HP, Extreme, Palo Alto, Huawei, Nokia. Formats include 1G SFP, 10G SFP+, 40G QSFP, 100G QSFP28, Fibrenet produces and distributes compatible optical networking transceivers for Cisco, Juniper, Ciena, HP, Extreme, Palo Alto, Huawei, Nokia. Formats include 1G SFP, 10G SFP+, 40G QSFP, 100G QSFP28, 400G QSFP-DD plus all DAC and AOC, as well as singlemode and multimode fibre cables and copper CAT5 and CAT6 patch leads