Cisco 48-port IEEE 802.3af-compliant PoE Switching Module

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Cisco 48-port IEEE 802.3af-compliant PoE Switching Module - 48 x 10/100Base-TX

Technical Specifications

  • Description
  • General Information
  • Technical Information
  • Interfaces/Ports
  • Media & Performance
  • Environmental Conditions
  • Physical Characteristics
  • Miscellaneous

Cisco 48-port IEEE 802.3af-compliant PoE Switching Module


The Cisco Catalyst 4500 Series Switch expands Power-over-Ethernet (PoE) support. PoE, offers greater flexibility and mobility to users by delivering standards-based integrated power to increase network flexibility and usefulness with the support of new devices, services, and applications. IEEE 802.3af PoE compliance is provided in the Catalyst 4500 Series with the introduction of this new line card and Cisco IOS Software Release 12.2(18)EW and CatOS Software Release 8.3(1)GLX to meet the needs of enterprise and commercial customers.

The new line card enhance the Cisco Catalyst 4500 Series portfolio by giving customers the flexibility to support either the IEEE 802.3af standard or the Cisco prestandard PoE implementation on the same line card. This ensures backward compatibility with existing Cisco powered devices. This line cards support up to 15.4 Watts per port on all ports, optional power classifications, and intelligent power-management features. The new cards are compatible with any Catalyst 4500 Series or Catalyst 4000 Series chassis and can be deployed with any Supervisor Engine.

General Information
Manufacturer Cisco Systems, Inc
Manufacturer Part Number WS-X4248-RJ45V
Manufacturer Website Address
Brand Name Cisco
Product Model WS-X4248-RJ45V
Product Name 48-port IEEE 802.3af-compliant PoE Switching Module
Product Type Switching Module
Technical Information
Application/Usage Switching Network
Interfaces/Ports 48 x 10/100Base-TX LAN
Interfaces/Ports Details 48 x RJ-45 10/100Base-TX LAN
Media & Performance
Connectivity Media UTP 10/100Base-TX
Data Transfer Rate 10 Mbps Ethernet Half/Full-duplex, 100 Mbps Fast Ethernet Half/Full-duplex
Environmental Conditions
Temperature 32°F (0°C) to 104°F (40°C) Operating, -40°F (-40°C) to 167°F (75°C) Storage
Humidity 10% to 90% Non-condensing Relative Humidity
Altitude -196.85 ft to 13123.36 ft Operating
Physical Characteristics
Dimensions 1.2" Height x 14.4" Width x 16" Depth
Additional Information
  • To provide PoE with the 48-port PoE 10/100BASE-TX switching module in a Catalyst 4006 switch, you must have a power entry module (PEM) and a power shelf installed
  • Power over Ethernet: Up to 15.4 W per powered device on all 48 ports (to a 312 W total on the Catalyst 4006)
  • Auto MDIX is not supported
  • Power regulation: Internal on the switching module
  • Enterprise and commercial: Designed to power IP phones, wireless base stations, video cameras, and other IEEE-compliant powered devices
System Requirements
  • One Expansion Slot

Minimum Software Requirements:

  • Cisco IOS Software Release: 12.2(18)EW
  • Catalyst OS Version: 8.3(1)GLX
  • Catalyst 4503 Switch
  • Catalyst 4506 Switch
  • Catalyst 4507R Switch
  • Catalyst 4510R Switch
  • Catalyst 4003 Switch
  • Catalyst 4006 Switch
Certifications & Standards


  • IEEE 802.3af PoE and Cisco prestandard
  • IEEE 802.3: 10Base-T
  • IEEE 802.3u: 100Base-T

Electromagnetic Emissions Certifications:

  • FCC 15J Class A
  • VCCI Class A
  • CE Marking
  • EN 55022 Class A
  • EN 55024 Class A
  • CISPR 22 Class A
  • AS/NZ 3548
  • NEBS Level 3 (GR-1089-CORE, GR-63-CORE)
  • ETSI ETS-300386-2

Safety Certifications:

  • UL 1950
  • EN 60950
  • CSA-C22.2 no 950
  • IEC 950

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