GLC-BX-U-I= - Cisco - Industrial temperature

SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-BX-U - LC/PC single-mode - up to 10 km - 1310 (TX) / 1490 (RX) nm - for Cisco 2520, Expansion SFP Module; Industrial Ethernet 2000, 30XX, 40XX, 5000; ME 1200