1 x 10/100/1000BASE-T port, 1 x 100/1000BASE-X SFP port. Fiber Maximum Distance: may vary on SFP module. Optic Wavelength: may vary on SFP module. Optic Interface: SFP. Dimensions: 26 x 70 x 97 mm. Layer 2 key Features: IEEE 802.3x full-duplex flow-control and back-pressure in half-duplex eliminate the loss of packets; Supports auto MDI/MDI-X function; Store-and-Forward mechanism; Non-blocking full wire-speed forwarding rate. SFP module not included. Operating temperature: 0 to 50º C; Humidity: 5~95% non-condensing.