AddOn Network Upgrades QFX-QSFP-40G-SR4-AO is a Juniper Networks compatible QSFP+ transceiver that operates at 850nm over Multi-Mode Fiber, with a maximum reach of 100m connected via a MPO connector built to meet or exceed the OEM's specifications,and comply with MSA (Multi-Source Agreement) standards. All products are 100% functionally tested, and are guaranteed compatible.AddOn transceivers (GBIC, SFP, SFP+, X2, XFP and XENPAK) are 100% compliant for all networking product lines,and are factory loaded with OEM specific configuration data required for networking compliance. These transceivers initialize and perform identically to the OEM transceivers and can be mixed and deployed with other OEM or 3rd party transceivers, forand are factory loaded with OEM specific configuration data required for networking compliance. These transceivers initialize and perform identically to the OEM transceivers and can be mixed and deployed with other OEM or 3rd party transceivers, forseamless network performance.