24 10 / 100 / 1000M port 4 SFP ... , IEEE 802.3Port number : 24Interface medium : 10 / 100Base-T, 10 / 100 / 1000Base-Tx / SFPTransmission mode: full duplex / half duplex ... RPS, link, link, link speed duplexPower supply voltage : 100 VAC-240VAC, 50Hz / 60Hz, 1.3-0.8AEnvironmental ... ), storage temperature: - 25 - 70 DEG C, storage humidity: 10%-85% ( non condensation)Product size ( mm ) : 44 * 445 ...