Macroreer Juniper EX-SFP-1GE-SX 1000BASE-SX SFP Optical Transceiver Module 850nm 550m Fully compliant with the multi-sourcing agreement (MSA), which enables it to be installed into any networking device with an MSA compliant or Juniper compliant port 100% Compatible with Juniper. Every transceiver is individually tested on full range of Juniper Networks equipments, walks through the testing challenges and 100% compatibility 1000BASE-SX SFP Transceiver (MMF, 850nm, 550m, LC, DOM) Fully Hot Swappable; Bulk demanding over 20pcs please choose Shipped by Seller, Free Two-Day Delivery. Money-back satisfaction guarantee