This converter converts 1000BASE-T twisted-pair signals to 1000BASE-SX/LX multi-mode/single-mode fiber signals. Maximum fiber cable distance is 550 m for 1000BASE-SX * and 20 km for 1000BASE-LX. 1 RJ-45 twisted-pair port and 1 SFP port (mini GBIC) are provided.

* Maximum fiber cable distance support is as follows:
- For 62.5/125 micron multi-mode fiber cable: up to 220 m
- For 50/125-micron multi-mode fiber cable: up to 550 m