Switch 4500 — Front View Detail 15Summary ofHardware FeaturesTable 4 summarizes the hardware features that are supported by theSwitch 4500.Table 4 Hardware FeaturesSwitch 4500 —Front View Detail Figure 1 Switch 4500 26-Port — front viewFeature Switch 4500Addresses Up to 8,000 supportedAuto-negotiation Supported on all portsForwarding Modes Store and ForwardDuplex Modes Half and full duplex on all front panel portsAuto MDI/MDIX Supported on all ports. If fiber SFP transceivers areused, Auto MDIX is not supported.Flow Control In full duplex operation all ports are supportedTraffic Prioritization Supported (using the IEEE Std 802.ID, 1998 Edition):Eight traffic queues per portPower over Ethernet Supported on 10/100 ports (3CR17571-91 and3CR17572-91 only)Ethernet and Fast EthernetPortsAuto-negotiating 10BASE-T/100BASE-TX portsGigabit Ethernet Ports Auto-negotiating 10BASE-T/100BASE-TX/1000BASE-T ports (3CR17561-91) onlySFP Ethernet Ports Supports fiber Gigabit Ethernet short-wave (SX),long-wave (LX), long-haul (LH70) and copper (T)transceivers in any combination.RPS Support Connects to -48v DC supply (3CR17571-91 and3CR17572-91 only)Mounting 19-inch rack or stand-alone mountingUnit LEDConsole PortPower LED10/100BASE-TX PortsPort Status LEDs3CR17561-91 SuperStack 3 Switch 4500 26-PortDual Personality10/100/1000BASE-T Ports1000BASE-X10/100BASE-TX 10/100/1000BASE-TSpeed: (100Base-TX) Green = 100Mbps Yellow = 10Mbps (1000Base-X) Green = 1000Mbps Yellow = 10/100Mbps Duplex: Green = Full Duplex, Yellow = Half Duplex2625 27/25 28/26Dual Personality1000Base-X Ports
