> 320 mac address

ECONOMICALY PRICE SWITCH FOR VALUE-CONSCIOUS BUSINESS OWNERSPI DATE: July 2003PORTS : 16 x 10/100 Mbps RJ-45 portsDATA TRANSFER RATE: Forward rate (10 Mbps)14,800 packet per sec. Forward rate (100 Mbps)148,000 packet per sec.MAC : 4,000 addresses STD COMPLIANCE : IEEE 802.3I, 802.3uLATENCY : 20 usec max(10 to 100 Mbps)QUEUE BUFFER : 320 KBytesDIMENSIONS : 330 x 202 x 43mm (W x D x H) * Store-and-forward packet switching* Auto-detects speed and duplex * Auto Uplink Technology makes the right connection* Rack mount kit included * 200Mbps throughput per port PACKAGE CONTENTS : Switch unit, Power cord, Rack-mount kit, User guide, Warranty card, Support card

PROVIDES EXPANDED CONNECTIVITY FOR SOHO USERS ON BANDWIDTHPI DATE: Feb 2003PORTS: 24 X 10/100 Mbps RJ-45 ports DATA TRANSFER RATE: Forward rate (10 Mbps)14,800 packet per sec. Forward rate (100 Mbps)148,000 packet per sec.MAC addresses 4,000Std Compliance: IEEE 802.3I, 802.3u * Store n Forward packet switching* Each port delivers 200 Mbps of network speed in full-duplex mode.* Queue buffer KBytes 320* Latency (10 to 100 Mbps) 20 usec max* 24 ports deliver automatic speed & full/half duplex sensing* Additional Auto Uplink, which adjusts for straight-through or crossover cables to make the right link.* Rugged metal unit is conveniently compact for an uncluttered desktop or easy rack mounting DIMENSIONS : W x D x H (330 x 202 x 42mm) PACKAGE CONTENTS: Switch unit, Power cord,Rack-mount kit,User guide, Warranty card, Support card

PI DATE : Feb 2008PORTS : 48 x 10/100/1000B-T , 8 PoE (802.3af compliant)@ 15.4 W; 320W PSU Uplink module options: 4-port 1GbE module with pluggable SFP optics 2-port 10GbE module with pluggable XFP opticsBACKPLANE: 128 Gbps virtual-chassis interconnect to combine up to 10 units as a virtual chassisPOWER SUPPLIES: Autosensing; 100-120V / 200-240V; AC 320W, 600W & 930W dual load-sharing hot-swappable int redundant power supplies,Ext RPS opt , Min nor of PSUs required for fully loaded chassis: 1 per switchH/W SPECIFICATIONS : Switching Engine Model: Store and forward 1GB DRAM with ECC, 1GB Flash, 1GHz PowerPC CPU , RJ- 4510/100/1000B-T conn GbE SFP optic/conn type:RJ-45 or LC SFP fiber supp 1000B-T SFP,SX (multimode), LX (single-mode) or ZX (single-mode) 100BASE-FX support on SFP ports: SX, GbE port density per system:PACKET SWITCHING CAPACITIES : 136 GbpsLAYER 2 THROUGHPUT (Mpps) : 101 Mpps (wire speed)LAYER 2 SWITCHING: Max MAC addresses per system: 24,00 24,000 Static MAC entries, 9216 Bytes Jumbo frames,

PI DATE : Feb 2008PORTS: 48 x 10/100/1000BASE- T ports: 8 PoE (802.3af compliant)@ 15.4 W; 320 W PSUPACKET SWITCHING CAPACITIES : 136 GbpsH/W : Switching Engine Model: Store and forward , DRAM 512 MB, Flash 1 GB, CPU 600 MHz PowerPC CPULAYER 2 THROUGHPUT (Mpps) : 101 Mpps (wire speed)LAYER 2 SWITCHING: Max MAC addresses per system: 24,000, Static MAC entries: 24,000, Jumbo frames: 9216 Bytes, 4,096 VLANs , Port-based VLAN, MAC-based VLAN, GVRP , VLAN tagging: 802.1Q Voice VLAN STP (802.1D-2004), Compatible with PVST+, STP enable/disable per port Rapid-Spanning Tree (802.1D-2004), MST (802.1D-2004), No of 802.1s instances supp:64, LLDP,LLDP-MED with VoIP integration, RVI (Routed VLAN Interface) DIMENSIONs (W x H x D) 442 x 43 x 417 mm* Physical port redundancy: Redundant trunk group (RTG)* Time Domain Reflectometry (TDR) for detecting cable breaks and shorts* Auto MDI/MDIX support* Port speed downshift/setting max advertised speed on 10/100/1000BASE- T po

PI DATE : Feb 2008PORTS : 24 x 10/100/1000B-T , 8 PoE (802.3af compliant)@ 15.4 W; 320W PSU Uplink module options: 4-port 1GbE module with pluggable SFP optics 2-port 10GbE module with pluggable XFP opticsBACKPLANE: 128 Gbps virtual-chassis interconnect to combine up to 10 units as a virtual chassisPOWER SUPPLIES: Autosensing; 100-120V / 200-240V; AC 320W, 600W & 930W dual load-sharing hot-swappable int redundant power supplies,Ext RPS opt , Min nor of PSUs required for fully loaded chassis: 1 per switchH/W SPECIFICATIONS : Switching Engine Model: Store and forward 1GB DRAM with ECC, 1GB Flash, 1GHz PowerPC CPU , RJ- 4510/100/1000B-T conn GbE SFP optic/conn type:RJ-45 or LC SFP fiber supp 1000B-T SFP,SX (multimode), LX (single-mode) or ZX (single-mode) 100BASE-FX support on SFP ports: SX, GbE port density per system:PACKET SWITCHING CAPACITIES : 88 GbpsLAYER 2 THROUGHPUT (Mpps) : 65 Mpps (wire speed)LAYER 2 SWITCHING: Max MAC addresses per system: 24,00 24,000 Static MAC entries, 9216 Bytes Jumbo frames, 4

PI DATE : Feb 2008PORTS : 24 x 10/100/1000BASE- T ports: 8 PoE (802.3af compliant)@ 15.4 W; 320 W PSUPACKET SWITCHING CAPACITIES : 88 GbpsH/W : Switching Engine Model: Store and forward , DRAM 512 MB, Flash 1 GB, CPU 600 MHz PowerPC CPULAYER 2 THROUGHPUT (Mpps) : 65 Mpps (wire speed)LAYER 2 SWITCHING: Max MAC addresses per system: 24,000, Static MAC entries: 24,000, Jumbo frames: 9216 Bytes, 4,096 VLANs , Port-based VLAN, MAC-based VLAN, GVRP , VLAN tagging: 802.1Q Voice VLAN STP (802.1D-2004), Compatible with PVST+, STP enable/disable per port Rapid-Spanning Tree (802.1D-2004), MST (802.1D-2004), No of 802.1s instances supp:64, LLDP,LLDP-MED with VoIP integration, RVI (Routed VLAN Interface) DIMENSIONs (W x H x D) 442 x 43 x 417 mm* Physical port redundancy: Redundant trunk group (RTG)* Time Domain Reflectometry (TDR) for detecting cable breaks and shorts* Auto MDI/MDIX support* Port speed downshift/setting max advertised speed on 10/100/1000BASE- T po

PI DATE : Feb 2008PORTS : 48 x 10/100/1000B-T , 48 PoE (802.3af compliant) @ 15.4 W; 930W PSU Uplink module options: 4-port 1GbE module with pluggable SFP optics 2-port 10GbE module with pluggable XFP opticsBACKPLANE: 128 Gbps virtual-chassis interconnect to combine up to 10 units as a virtual chassisPOWER SUPPLIES: Autosensing; 100-120V / 200-240V; AC 320W, 600W & 930W dual load-sharing hot-swappable int redundant power supplies,Ext RPS opt , Min nor of PSUs required for fully loaded chassis: 1 per switchH/W SPECIFICATIONS : Switching Engine Model: Store and forward 1GB DRAM with ECC, 1GB Flash, 1GHz PowerPC CPU , RJ- 4510/100/1000B-T conn GbE SFP optic/conn type:RJ-45 or LC SFP fiber supp 1000B-T SFP,SX (multimode), LX (single-mode) or ZX (single-mode) 100BASE-FX support on SFP ports: SX, GbE port density per system:PACKET SWITCHING CAPACITIES : 136 GbpsLAYER 2 THROUGHPUT (Mpps) : 101 Mpps (wire speed)LAYER 2 SWITCHING: Max MAC addresses per system: 24,00 24,000 Static MAC entries, 9216 Bytes Jumbo frame

PI DATE : Apr 2009PORTS : 10/100/1000 Ethernet ports: 48 per switch SFP Gigabit ports: 4 per switchSFP SUPPORT: SX, LX, XD, ZX, CWDMRESILIENT STACKING: up to 8 units / 384 ports per stackSTACKING PORTS: 2 built-in HiStack ports per switchTOTAL STACKING CAPACITY: 320 GbpsINDIVIDUAL SWITCH PACKET THROUGHPUT: 72 MppsINDIVIDUAL SWITCH CAPACITY: 184 GbpsCONCURRENT VLANs: 256 ; Jumbo Frame Support on Gigabit portsMAXIMUM MAC ADDRESSES: 8,000POWER OVER ETHERNET : 802.3af compliant with Power classification support Signal pair power delivery , Maximum 15.4 watts per port, Maximum DTE Power AC 320 watts, Maximum DTE Power AC + RPS 740 wattsSTANDARDS COMPLIANCE : IEEE 802.3 10BASE-T Ethernet, IEEE 802.3u 100BASE-TX Fast Ethernet, IEEE (ANSI) 802.3 Auto-negotiation,I EEE 802.3z Gigabit Ethernet, IEEE 802.3x Flow Control, IEEE 802.1Q VLANs, IEEE 802.1P Priority Queues, IEEE 802.1D Spanning TreeIEEE 802.1w Rapid Spanning Tree, IEEE 802.1s Multiple Spanning Tree GroupsIEEE 802.3ad Link Aggregation, IEEE 802.1X Ethernet Auth