10Gbase-ER ("extended reach") single-mode fibre optic transceivers for 10Gbe over distances up to 40km.
Cisco SFP-10G-ER compatible 10GBASE-ER SFP+ transceiver module for SMF, 1550-nm with LC duplex connector, DOM. This SFP+ transceiver module supports 10Gbase up to 40km on compatible Cisco equipment. 3 year warranty and 30 day compatibility guarantee.
Juniper EX-SFP-10GE-ER, QFX-SFP-10GE-ER and SRX-SFP-10GE-ER compatible optical transceiver. This ER 10GBase mini-GBIC SFP+ module with LC connector and DOM supports 10Gbase up to 40km over single mode fibre running at 1550nm wavelength.