HP 338377-B21 48 port Switch Networking

HP - SW5450 48 PORT GIGABIT ETHERNET SWITCH (338377-B21). KEY FEATURES : DEVICE TYPE : SWITCH - 48 PORTS - MANAGED ENCLOSURE TYPE : DESKTOP PORTS : 48 X 10/100 + 2 X 1000BASE-SX REMOTE MANAGEMENT PROTOCOL : SNMP, RMON FEATURES : NETWORK MONITORING, FULL DUPLEX CAPABILITY COMPLIANT STANDARDS : IEEE 802.3, IEEE 802.3U, IEEE 802.3Z FLASH MEMORY : 4 MB FLASH STATUS INDICATORS : PORT STATUS, LINK ACTIVITY, COLLISION STATUS, POWER EXPANSION / CONNECTIVITY : INTERFACES : 48 X 10BASE-T/100BASE-TX - RJ-45 - 48 2 X 1000BASE-SX - SC - 4 EXPANSION SLOT(S) : 4 (TOTAL) / 2 (FREE) INSTALLED MODULES QTY (MAX) : 2 (INSTALLED) / 4 (MAX) POWER : POWER DEVICE : POWER SUPPLY - INTEGRATED VOLTAGE REQUIRED : AC 120/230 V ( 50/60 HZ ) POWER CONSUMPTION OPERATIONAL : 57 WATT