Cisco WS-G5486
Cisco WS-G5486, 30-0703-04, QFBR-5689 GBIC 1000BASE-LX, 1300NM.
WS-G5486 Long wavelength/long haul (1000BASE-LX/LH) CNUIAFLAAC
The Cisco 1000BASE-LX/LH GBIC (WS-G5486) fully complies with the IEEE 802.3z 1000BASE-LX10 standard. It allows for reaches up to 6.2 miles (10 km) over single-mode fiber (SMF) and up to 550 meters over multimode fiber (MMF). Note the requirements for mode conditioning patch (MCP) cords when coupled over legacy MMF: