Model Name : GLC-TE
Brand : Cisco
Key Features
Cisco GLC-TE | 1000BASE-T Copper SFP Transceiver | RJ-45 Connector, Up to 100m
It provides Gigabit Ethernet connectivity over standard Cat5/6 copper cabling up to 100m.
Up to 100 meters using Cat5/5e/6 cables.
It uses copper cabling (RJ-45 connector), not fiber.
Yes, it can be installed or removed without powering down the device.
It is supported on Cisco devices with SFP slots (check software/IOS compatibility list).