The Cisco WS-X4748-UPOE+E is a 48-port Gigabit Ethernet UPOE line card designed for compatible Cisco Catalyst 4500E Series modular switches. It provides 48 × 10/100/1000 Mbps RJ-45 Ethernet ports for high-density enterprise access networking, combining data connectivity with Cisco Universal Power over Ethernet (UPOE) support for compatible powered devices.
Supporting up to 60W of power per port, subject to the available chassis power budget and configuration, the WS-X4748-UPOE+E enables connectivity for wireless access points, IP phones, surveillance cameras, and other network endpoints. Its enterprise switching capabilities include jumbo frame support up to 9,216 bytes, Energy-Efficient Ethernet, and supported hardware security features such as MACsec and Cisco TrustSec.
The Cisco WS-X4748-UPOE+E Catalyst 4500E Line Card is suitable for enterprise campus networks, high-density access switching, wireless infrastructure, IP telephony, and powered-device deployments. It is a practical option for organizations expanding or maintaining compatible Cisco Catalyst 4500E infrastructure, subject to chassis, supervisor, software, and power-budget compatibility.
Product Specifications - Cisco WS-X4748-UPOE+E Catalyst 4500E 48-Port Gigabit Ethernet UPOE+ Line Card
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Specification
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Details
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Manufacturer
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Cisco Systems
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Product Name
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Cisco Catalyst 4500E Series 48-Port UPOE Gigabit Ethernet Line Card
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Part Number / SKU
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WS-X4748-UPOE+E
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Product Type
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Modular Ethernet Line Card
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Platform
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Cisco Catalyst 4500E Series
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Port Count
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48
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Port Type
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RJ-45 copper Ethernet
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Ethernet Speeds
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10/100/1000 Mbps
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Port Architecture
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Nonblocking, 1:1 port architecture
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Power Technology
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Cisco Universal Power over Ethernet (UPOE)
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PoE Standards
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IEEE 802.3af, IEEE 802.3at, and Cisco prestandard PoE
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Maximum UPOE Power per Port
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Up to 60W, subject to chassis power availability and configuration
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Maximum UPOE Power Capacity
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Up to 1,440W across supported ports, subject to chassis power availability
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Simultaneous 30W PoE Capability
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Up to 30W per port across all 48 ports, subject to chassis power availability
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Energy-Efficient Ethernet
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IEEE 802.3az
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Flow Control
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IEEE 802.3x
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Jumbo Frame Support
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Up to 9,216 bytes
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Hardware Security
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IEEE 802.1AE MACsec and Cisco TrustSec capability
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Maximum Rated Module Power
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75W (module power consumption; excludes power delivered to PoE devices)
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Required Chassis
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Compatible Catalyst 4500E Series E-Series chassis
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Software Requirement
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Cisco IOS XE Release 3.2.0SG or later, subject to supervisor and chassis compatibility
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Primary Function
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High-density Gigabit Ethernet connectivity with UPOE power delivery
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Deployment
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Enterprise campus access, branch networks, and powered-device connectivity
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FAQs
Q1. What is the Cisco WS-X4748-UPOE+E?
The Cisco WS-X4748-UPOE+E is a 48-port Gigabit Ethernet UPOE+ line card designed for compatible Cisco Catalyst 4500E Series modular switches.
Q2. Who should buy the Cisco WS-X4748-UPOE+E?
The Cisco WS-X4748-UPOE+E is suitable for enterprises, campus networks, educational institutions, and organizations requiring high-density Gigabit Ethernet connectivity with advanced power delivery.
Q3. Is a refurbished Cisco WS-X4748-UPOE+E worth buying?
Yes. A professionally refurbished Cisco WS-X4748-UPOE+E can provide reliable Gigabit Ethernet connectivity, UPOE+ functionality, and compatibility with existing Catalyst 4500E infrastructure while offering a practical lower-cost alternative to new equipment.
Q4. How many ports does the Cisco WS-X4748-UPOE+E provide?
The Cisco WS-X4748-UPOE+E provides 48 × 10/100/1000 Mbps RJ45 Ethernet ports, delivering high-density Gigabit access connectivity.
Q5. What is UPOE+ used for on the Cisco WS-X4748-UPOE+E?
UPOE+ enables compatible Ethernet ports to deliver both network connectivity and electrical power to supported powered devices, helping simplify deployments of devices such as wireless access points, IP phones, and other network endpoints.
