NETGEAR GSM7248-200NAS 48 port Switch Networking

NETGEAR - PROSAFE GSM7248 ETHERNET SWITCH ,48 PORT,4 SLOT (GSM7248-200NAS). KEY FEATURES : DEVICE TYPE : SWITCH - 48 PORTS - MANAGED ENCLOSURE TYPE : DESKTOP PORTS : 48 X 10/100/1000 + 4 X SHARED SFP MAC ADDRESS TABLE SIZE : 8K ENTRIES REMOTE MANAGEMENT PROTOCOL : SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, TELNET, SNMP 3, SNMP 2C, HTTP ENCRYPTION ALGORITHM : TLS 1.0, SSL 3.0 AUTHENTICATION METHOD : SECURE SHELL (SSH), RADIUS, TACACS+, SECURE SHELL V.2 (SSH2) FEATURES : FLOW CONTROL, AUTO-NEGOTIATION, BOOTP SUPPORT, ARP SUPPORT, TRUNKING, VLAN SUPPORT, AUTO-UPLINK (AUTO MDI/MDI-X), IGMP SNOOPING, SYSLOG SUPPORT, PORT MIRRORING, DIFFSERV SUPPORT, MANAGEABLE, WEIGHTED ROUND ROBIN (WRR) QUEUING, STORE AND FORWARD, BROADCAST STORM CONTROL, DHCP SNOOPING, ACCESS CONTROL LIST (ACL) SUPPORT, DATA PRIORITIZATION (QOS) FOR VOIP APPLICATIONS, MLD SNOOPING COMPLIANT STANDARDS : IEEE 802.3, IEEE 802.3U, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3AB, IEEE 802.1P, IEEE 802.3X, IEEE 802.3AD (LACP), IEEE 802.1W, IEEE 802.1X, IEEE 802.1S, IEEE 802.1V RAM : 128 MB FLASH MEMORY : 32 MB FLASH (FIRMWARE) STATUS INDICATORS : LINK ACTIVITY, PORT TRANSMISSION SPEED, POWER, STATUS EXPANSION / CONNECTIVITY : INTERFACES : 48 X 10BASE-T/100BASE-TX/1000BASE-T - RJ-45 1 X RS-232 - MANAGEMENT 4 X SFP (MINI-GBIC) POWER : POWER DEVICE : POWER SUPPLY - REDUNDANT - INTERNAL VOLTAGE REQUIRED : DC 12 V POWER CONSUMPTION OPERATIONAL : 71.5 WATT