StarTech.com Cisco Meraki MA-SFP-1GB-TX Compatible SFP Module, 1000BASE-T, SFP to RJ45 Cat6/Cat5e, 10/100/1000 Mbps, RJ-45 (Copper) 100m, Cisco Meraki MS225, MX400, MS250, 1GbE Mini GBIC

Lifetime Warranty (MASFP1GBTXST) - SFP (mini-GBIC) transceiver module (equivalent to: Cisco Meraki MA-SFP-1GB-TX) - 1GbE - 1000Base-T - RJ-45 - up to 100 m