EXSFP1GESXST Compatible LC Multi Mode Transceiver Module. The EXSFP1GESXST is a Juniper EX-SFP-1GE-SX compatible fiber transceiver module that has been designed, programmed and tested to work with Juniper® brand switches and routers. It delivers dependable 1GbE connectivity over fiber cable, for 1000BASE-SX compliant networks, with a maximum distance of up to 550 m (1804 ft). This SFP fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions.