D- LINK DES-1210-52 48 port Switch Networking

D-LINK - 48PORT 10/100 WEB SMART SWITCH WITH 2 GBE & 2 COMBO PORTS (DES-1210-52). KEY FEATURES : DEVICE TYPE : SWITCH - MANAGED ENCLOSURE TYPE : EXTERNAL - 1U NETWORKING : PORTS QTY : 48 X ETHERNET 10BASE-T, ETHERNET 100BASE-TX AUXILIARY NETWORK PORTS : 2X10/100/1000BASE-T/SFP (MINI-GBIC)(UPLINK), 2X10/100/1000BASE-T(UPLINK) DATA TRANSFER RATE : 100 MBPS DATA LINK PROTOCOL : ETHERNET, FAST ETHERNET REMOTE MANAGEMENT PROTOCOL : SNMP 1, SNMP 2, TELNET, SNMP 3, HTTP, HTTPS, TFTP CONNECTIVITY TECHNOLOGY : WIRED COMMUNICATION MODE : HALF-DUPLEX, FULL-DUPLEX SWITCHING PROTOCOL : ETHERNET MAC ADDRESS TABLE SIZE : 8K ENTRIES STATUS INDICATORS : LINK ACTIVITY, PORT TRANSMISSION SPEED, POWER, LINK OK FEATURES : FLOW CONTROL, LAYER 2 SWITCHING, DHCP SUPPORT, AUTO-NEGOTIATION, BOOTP SUPPORT, ARP SUPPORT, VLAN SUPPORT, AUTO-UPLINK (AUTO MDI/MDI-X), IGMP SNOOPING, SYSLOG SUPPORT, PORT MIRRORING, WEIGHTED ROUND ROBIN (WRR) QUEUING, STORE AND FORWARD, MAC ADDRESS FILTERING, BROADCAST STORM CONTROL, IP ADDRESS FILTERING, HALF DUPLEX MODE, FULL DUPLEX MODE, MULTICAST STORM CONTROL, UNICAST STORM CONTROL, SNTP SUPPORT, DHCP SNOOPING, ACCESS CONTROL LIST (ACL) SUPPORT, QUALITY OF SERVICE (QOS), STATIC IP MODE, SAFEGUARD ENGINE COMPLIANT STANDARDS IEEE 802.3, IEEE 802.3U, IEEE 802.3Z, 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 POWER : POWER DEVICE : POWER SUPPLY - INTERNAL VOLTAGE REQUIRED : AC 120/230 V ( 50/60 HZ ) EXPANSION / CONNECTIVITY : EXPANSION SLOTS TOTAL (FREE): 2 ( 2 ) X SFP (MINI-GBIC) INTERFACES : 48 X NETWORK NODE - ETHERNET 10BASE-T/100BASE-TX - RJ-45 4 X NETWORK HOST - ETHERNET 10BASE-T/100BASE-TX/1000BASE-T - RJ-45