Společnost Netgear poskytuje ucelené řešení pro SMB, která vynikají výkonem a spolehlivostí. Spolu s jednoduchou instalací a správou získáváte špičkové řešení, které má velmi přiznivé náklady na pořízení a provoz. PROSAFE 48-PORT GE POE SMART SWITCH GS748TP 48 10/100/1000 ports that support 802.3af PoE. Total POE budget is 384 Watts Advanced features: 802.1x, ACLs, Rate limiting, DSCP/TOS-based prioritization, IGMP Snooping, SNMP v1, v2, v3, RSTP Four Combination SFP ports for optional fiber connectivity Network Protocol and Standards Compatibility IEEE 802.3 10BASE-T IEEE 802.3u 100BASE-TX IEEE 802.3ab 1000BASE-T IEEE 802.3z 1000BASE-X IEEE 802.3x full-duplex flow control IEEE 802.3af (Power over Ethernet) Power Supply Max 465W 100-240VAC/50-60 Hz universal input PoE Budget: 384W Network Ports 48 10/100/1000 Mbps auto-sensing Gigabit Ethernet 4 combo Gigabit copper/SFP slots Physical Specifications Dimensions (w x d x h): 440 x 438 x 43 mm (17.3 x 17.2 x 1.6 in) Weight: 6.6 kg (14.5 lb) Performance Specifications Forwarding modes: Store-and-forward Bandwidth: 96 Gbps Network latency: <2,900 ns for 64-byte frames in store-and-forward mode for 1,000 Mbps to 1,000 Mbps transmission Buffer memory: 3 Mb per system Address database size: 4,000 media access control (MAC) addresses per system Addressing: 48-bit MAC address Mean time between failure (MTBF): 147,559 hours (~17 years) Acoustic noise: 44.8 dB Electromagnetic Emissions CE mark, commercial FCC Part 15 Class A VCCI Class A C-Tick Environmental Specifications Operating temperature: 32° to 104° F (0° to 50° C) Storage temperature: -4° to 158° F (-20° to 70° C) Operating humidity: 90% maximum relative humidity, non-condensing Storage humidity: 95% maximum relative humidity, non-condensing Operating altitude: 10,000 ft (3,000 m) maximum Storage altitude: 10,000 ft (3,000 m) maximum LEDs Per port: (10/100 and Gigabit): Link/activity, speed Per device: Power Per device: Fan failure Per PoE ports: PoE power, PoE fault Electromagnetic Immunity EN 55024 Safety CE mark, commercial cUL IEC950/EN60950 Administrative Switch Management IEEE 802.1Q static VLAN (128 groups, static) Voice VLAN IEEE 802.1p Class of Service (CoS) Port-based QoS DSCP-based QoS IEEE802.3ad link aggregation (manual or LACP) IEEE 802.1D Spanning Tree Protocol IEEE 802.1w Rapid Spanning Tree Protocol SNMP v1, v2c, v3 RFC 1213 MIB II RFC 1643 Ethernet interface MIB RFC 1493 bridge MIB RMON group 1, 2, 3, 9 RFC 2131 DHCP client IEEE 802.1x Jumbo frame support Port-based security by locked MAC addresses Layers 2-4 based ACL Storm control for broadcast, multicast and unknown unicast packets IGMP snooping v1/v2 Port-based ingress rate limiting SNTP Port mirroring support (many to one) Web-based configuration Configuration backup/restore Password access control RADIUS support TACACS+ support Syslog Firmware upgradeable Warranty NETGEAR Lifetime Warranty† Package Contents 48-port Smart Switch with Gigabit Ports and PoE (GS748TP) Rubber footpads Power cord Rack-mount kit Resource CD Installation guide Warranty/support information card