I just ran tested and confirmed proper working of the Juniper SP7041-M1-JN on the Ubiquiti Edgerouter X SFP and Edgepoint R6 both running 1.9.1

Juniper SP7041-M1-JN allows you to transform a SFP slot into an Ethernet port

Source: http://articulo.mercadolibre.cl/MLC-434507651-sfp-transceiver-cisco-juniper-networks-740-013111-sp7041-m1-_JM