CISCO WS-X4248-RJ45V CATALYST 4500 48PORT POE SWITCH 802.3AF 10/100 RJ45

ALL CISCO CATALYST 4500 POWER OVER ETHERNET 10/100BASE-TX AND 10/100/1000BASE-TX ETHERNET SWITCHING LINE CARDS SUPPORT 48 PORTS (RJ-45 OR RJ-21 INTERFACES). WITH IEEE POWERED DEVICE DISCOVERY, THESE LINE CARDS SUPPORT AUTOSENSING AND AUTONEGOTIATION TO DETERMINE THE SPEED AND DUPLEX MODE OF THE ATTACHED DEVICE. FIGURE 1 SHOWS THE CISCO CATALYST 4500 POE 10/100BASE-TX AND 10/100/1000BASE-TX SWITCHING LINE CARDS FEATURES - 48 PORTS OF 10/100BASE-TX OR 10/100/1000BASE-TX PER LINE CARD (RJ-45)ÌÎÌÒÌÎÌÊÌÎå_EACH CISCO CATALYST 4506 AND 4507R CAN SUPPORT UP TO 240 POE PORTS. THE 4510R WITH SUPERVISOR ENGINE V CAN SUPPORT UP TO 336 POE PORTS, AND UP TO 384 POE PORTS WITH FUTURE SUPERVISOR ENGINES. - POEÌÎÌÒÌÎÌÊÌÎå_UP TO 15.4W OF POWER AT -48VDC CAN BE PROVIDED SIMULTANEOUSLY OVER EVERY PORT WITH STANDARD CATEGORY 5 UTP CABLE UP TO 100 METERS. - POWER MANAGEMENTÌÎÌÒÌÎÌÊÌÎå_USING THE STATIC PORT COMMAND, THE CISCO CATALYST 4500 SERIES ALLOWS USERS TO OVERRIDE BOTH CISCO DISCOVERY PROTOCOL AND IEEE SIGNALING TO RESERVE POWER ON A PER-PORT BASIS, EVEN WHEN A POWERED DEVICE IS NOT CONNECTED. THIS SETUP ALLOWS NETWORK ADMINISTRATORS TO ENSURE THAT WIRELESS BASE STATIONS, EXECUTIVE OFFICES, AND OTHER AREAS WITH BUSINESS-CRITICAL PORTS HAVE PRIORITY FOR AVAILABLE POWER. CONDITION : REFURBISHED. AVAILABILITY : IN STOCK. WARRANTY : 30 DAYS.