The Signamax 065-79SXMG-H is a Small Form-factor Pluggable (SFP) multimode fiber module that supports Gigabit Ethernet over 62.5 micron multimode fiber at distances up to 220 meters, and at distances up to 550 meters over 50 micron multimode fiber cable. It adheres to the IEEE 802.3z standard for Gigabit Ethernet, and is a cost-effective method of providing changeable Gigabit Ethernet interfaces to switches and media converters equipped with a standard SFP slot.