Typ interfejsu: SFP
Maksymalna szybkość przesyłania danych: 1000 Mbit/s
Złącze światłowodowe: LC
Długość fali: 850nm

GLC-SX-MMD is one of the most commonly used standard Cisco SFP, it is a hot-swappable input/output device which plugs into a Gigabit Ethernet port. It is an improved version of the GLC-SX-MM in that they include Digital Optical Monitoring (DOM) that can monitor the transceiver status. These transceivers operate over multimode fiber (MMF) and can reach distances of up to 550 meters.