Cisco WS-C3750X-48P-S Catalyst 3750X 48 Port PoE IP

Switch - 48 ports - Ethernet Fast Ethernet Gigabit Ethernet - 10Base-T 100Base-TX 1000Base-T + 1 x Expansion Slot (empty) - 1U - PoE - rack-mountable - stackable. Device Type: Switch stackable. Form Factor: Rack-mountable 1U. Dimensions: 17.5" x 18.1" x 1.8". Weight: 16.5 lbs. RAM: 256 MB. Flash Memory: 128 MB. Ports Qty: 48 x Ethernet 10Base-T Ethernet 100Base-TX Ethernet 1000Base-T. Data Transfer Rate: 1 Gbps. Data Link Protocol: Ethernet Fast Ethernet Gigabit Ethernet. Empty Slots: 1 x Expansion Slot. Remote Management Protocol: SNMP 1 SNMP 2 RMON 1 RMON 2 RMON 3 RMON 9 Telnet SNMP 3 SNMP 2c FTP TFTP SSH. Communication Mode: Half-duplex full-duplex. Features: Hot swap module replacement layer 3 switching layer 2 switching dynamic IP address assignment DHCP support power over Ethernet (PoE) auto-negotiation ARP support trunking VLAN support auto-uplink (auto MDI/MDI-X) IGMP snooping Syslog support traffic shaping Broadcast Storm Control High Availability Multicast Storm Control Unicast Storm Control Rapid Spanning Tree Protocol (RSTP) support DHCP snooping Dynamic Trunking Protocol (DTP) support Port Aggregation Protocol (PAgP) support Access Control List (ACL) support Quality of Service (QoS) Jumbo Frames support MLD snooping Dynamic ARP Inspection (DAI) PoE+ Per-VLAN Spanning Tree Plus (PVST+). Compliant Standards: IEEE 802.3 IEEE 802.3u IEEE 802.3z IEEE 802.1D IEEE 802.1Q IEEE 802.3ab IEEE 802.1p IEEE 802.3af IEEE 802.3x IEEE 802.3ad (LACP) IEEE 802.1w IEEE 802.1x IEEE 802.1s IEEE 802.1ae IEEE 802.3at. Power Over Ethernet (PoE): Yes. Power: AC 120/230 V ( 50/60 Hz ). Manufacturer Warranty: Limited lifetime warranty. Power Redundancy: Optional.