Catalyst 4500 10/100 Auto Module, 48-Ports (RJ-45) Fast Ethernet Module WS-X4148-RJ

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The Cisco Catalyst 4000 Inline Power 10/100BASE-TX Ethernet Switching line card supports up to 48 ports per line card (RJ-45 interfaces). Along with phone discovery, these line cards support autosensing and autonegotiation to determine the speed and duplex mode of the attached device.
Inline power is 48-VDC power provided over standard Category 5 unshielded twisted-pair (UTP) cable up to 100 meters. Instead of requiring wall power, terminal devices such as IP telephones can utilize power provided from the Cisco Catalyst 4000 Switch. This capability gives the network administrator centralized power control, which translates into greater network availability. By deploying Cisco Catalyst 4000 switches with uninterruptible-power-supply (UPS) systems in secured wiring closets, network administrators can ensure that power outages in a building will not affect network telephony connections.
Manufacturer Cisco Systems, Inc
Brand Name Cisco
Product Line Catalyst
Product Series 4500
Product Model WS-X4148-RJ
Product Name Catalyst WS-X4148-RJ Switching Module
Product Type Switching Module
Interfaces/Ports 48 x 10/100Base-TX LAN
Interfaces/Ports Details 48 x RJ-45 10/100Base-TX LAN
Connectivity Media
• Category 5 UTP
Distance Support
• 328 ft Category 5 UTP
• 10Mbps Ethernet Half/Full-duplex
• 100Mbps Fast Ethernet Half/Full-duplex
Temperature -40°F (-40°C) to 167°F (75°C) non-operating
Temperature 32°F (0°C) to 104°F (40°C) operating
Humidity 10% to 90% non-condensing
Dimensions 1.75″ height x 14.4″ width x 10.5″ depth