Cisco Part Number: GLC-FE-T-I= is a Cisco 100BASE-T for Fast Ethernet SFP Ports (Spare)
The Cisco 100BASE-X Small Form-Factor Pluggable (SFP) device, is an input/output device designed for Fast Ethernet ports, dual-rate Fast/Gigabit Ethernet ports, or Gigabit Ethernet ports of a Cisco switch or router. It establishes a connection between the port and the fiber cabling network.
Key features include:
The 100BASE-T SFP operates on standard Category 5 unshielded twisted-pair copper cabling of link lengths up to 100 m (328 ft). It supports Industrial temperature range of -40 to 85C.