TP-LINK TP-Link TL-SM311LS - SFP (mini-GBIC) transceiver module - fibre optic - LC single-mode - up to 10 km - 1310 nm - for P/N: TL-SG3452XP V1 SM311LS
TP-LINK TP-Link TL-SM321A - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-BX - LC single-mode - up to 10 km - 1550 (TX) / 1310 (RX) nm - for P/N: TL-SG3452XP V1 SM321A
TP-LINK TP-Link TL-SM321B V3.2 - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-BX - LC/UPC single-mode - up to 20 km - 1310 (TX) / 1550 (RX) nm SM321B
TP-LINK TP-Link TL-SM331T V1 - SFP (mini-GBIC) transceiver module - 1GbE - over CAT 5e - 1000Base-T - RJ-45 - up to 100 m - for JetStream TL-SG3452XP V1 SM331T
STARTECH StarTech.com Cisco WSP-Q40GLR4L Compatible QSFP+ Module, 40GBASE-LR4, 40GbE Single Mode (SMF) Fiber SMF Transceiver, 40 Gigabit Ethernet LC 2km, 1270 to 1330nm, DDM, Cisco Firepower C9300 - Lifetime Warranty (WSP-Q40GLR4L-ST) - QSFP+ transceiver module (equivalent to: Cisco WSP-Q40GLR4L) - 40 Gigabit LAN - 40GBase-IR4 - LC single-mode - up to 2 km - 1270-1330 nm WSP-Q40GLR4L-ST
CISCO Cisco 40G Fabric Extender Transceiver - QSFP+ transceiver module - 40GbE - 40GBase-LR4 - LC single-mode - up to 2 km - 1310 nm WSP-Q40GLR4L=