Cisco WS-C3750-48PS-S Layer 3 Switch
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WS-C3750-48PS-S Cisco 48 Ports Manageable Switch Catalyst New

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Part Number#: WS-C3750-48PS-S
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Short Description:
WS-C3750-48PS-S Catalyst 3750 Power Over Ethernet Plus (PoE+) 4 Small Form-Factor Pluggable (SFP) Manageable Rack-mountable 1U Stackable 48 Ports Ethernet Switch | Made by Cisco | New Factory Sealed
Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

Product Details of the Cisco WS-C3750-48PS-S Manageable Switch

The Cisco WS-C3750-48PS-S is a 48-port Ethernet switch, designed to facilitate seamless connectivity within a network. Its compact 1U form factor ensures efficient use of rack space, making it a suitable choice for data centers and enterprise environments. The inclusion of 4 Small Form-Factor pluggable (SFP) ports enhances flexibility, allowing for diverse connectivity options. This powerful device is designed to enhance network performance, providing 48 ports with Power Over Ethernet Plus (PoE+), 4 Small Form-Factor Pluggable (SFP) ports, and boasting manageable Layer 3 capabilities.

Power Over Ethernet Plus (PoE+)

One of the standout features of this switch is its Power Over Ethernet Plus (PoE+) capability. PoE+ enables the switch to deliver both data and electrical power over Ethernet cables, simplifying the deployment of devices such as IP cameras, VoIP phones, and wireless access points. With 48 PoE+ ports, the WS-C3750-48PS-S ensures a robust power infrastructure for connected devices.

Key Advantages of PoE+

  • Simplified Deployment: The integration of power and data streamlines the installation process, reducing complexity and saving time.
  • Cost Efficiency: PoE+ eliminates the need for separate power cables and outlets, translating into cost savings in both equipment and installation.
  • Versatility: Powering devices such as IP cameras, VoIP phones, and wireless access points becomes more straightforward, offering enhanced flexibility in network design.

Small Form-Factor Pluggable (SFP) Interfaces

The Cisco WS-C3750-48PS-S doesn't just stop at traditional Ethernet connectivity. With its 4 Small Form-Factor pluggable (SFP) interfaces, the switch opens the door to high-speed fiber-optic connections. SFP interfaces provide the flexibility to adapt to various network architectures, ensuring that the switch can meet the demands of diverse connectivity scenarios.

Benefits of SFP Interfaces

  • High-Speed Connectivity: SFP interfaces support gigabit-speed data transfer, enabling swift and reliable communication within the network.
  • Fiber Optic Compatibility: SFP interfaces accommodate fiber optic connections, extending the reach and efficiency of the network, especially in scenarios where long-distance communication is essential.

Layer 3 Functionality

The WS-C3750-48PS-S is not just a Layer 2 switch; it extends its capabilities into Layer 3, adding routing intelligence to its arsenal. This Layer 3 functionality enhances the switch's capacity to make intelligent routing decisions based on IP addresses, contributing to efficient traffic management within the network.

Simplified Deployment of IP Devices

With PoE+, the switch eliminates the need for separate power sources for devices such as IP cameras, IP phones, and wireless access points. This simplifies deployment, reduces cable clutter, and streamlines installation processes. Organizations can quickly and cost-effectively set up devices without the constraints of proximity to power outlets.

Cost-Efficiency and Energy Savings

PoE+ technology contributes to cost savings by reducing the need for additional electrical infrastructure. This is particularly beneficial in environments where installing new power lines is impractical or expensive. Moreover, PoE+ allows for centralized power management, enabling administrators to monitor and control power usage, leading to enhanced energy efficiency.

Flexibility in Device Placement

The ability to deliver power and data over a single cable provides flexibility in device placement. PoE+ eliminates the dependency on the proximity of power outlets, allowing for strategic placement of devices based on operational needs rather than infrastructure limitations. This flexibility is crucial in environments with dynamic requirements, such as open office spaces or industrial settings.

Gigabit Ethernet Connectivity

The SFP ports support Gigabit Ethernet, delivering high-speed connectivity for data-intensive applications. This is particularly valuable in scenarios where large volumes of data need to be transmitted quickly, such as in data centers or multimedia streaming environments. The Gigabit Ethernet support ensures a responsive and reliable network performance.

Fiber-Optic Connectivity

For organizations requiring long-distance connectivity or immunity to electromagnetic interference, the SFP ports can accommodate fiber-optic transceivers. Fiber-optic connections offer high bandwidth and are well-suited for applications where data integrity and speed are paramount. This capability enhances the switch's versatility, making it adaptable to a wide range of networking scenarios.

Manageability Features

Cisco understands the importance of network management in today's dynamic environments. The WS-C3750-48PS-S comes equipped with advanced manageability features that empower network administrators to have granular control over the switch. From configuration to monitoring, the switch offers a user-friendly interface, ensuring that even complex tasks are streamlined. The Cisco WS-C3750-48PS-S is designed with advanced management capabilities, making it a suitable choice for organizations with complex networking needs. The switch supports Layer 3 routing, enabling it to make intelligent decisions based on IP addresses. This capability enhances network efficiency and performance by facilitating inter-VLAN routing and optimizing traffic flow.

Layer 3 Features

  • Enhanced Network Scalability: Layer 3 functionality allows for the creation of multiple subnets, promoting the efficient use of IP addresses and supporting the expansion of the network.
  • Inter-VLAN Routing: The switch can route traffic between different VLANs, fostering improved segmentation and control over network traffic.

Rack-Mountable Design

The WS-C3750-48PS-S boasts a rack-mountable design, optimizing space utilization in data center environments. The 1U form factor ensures that this switch can be seamlessly integrated into standard rack configurations, contributing to a neat and organized networking infrastructure.

Stackable Architecture

To cater to the growing needs of expanding networks, the WS-C3750-48PS-S supports stackable configurations. This means multiple switches can be interconnected to operate as a single, cohesive unit. Stackability enhances scalability, simplifies management, and improves redundancy, ensuring uninterrupted network operation even in the face of hardware failures.

Benefits of Stackable Architecture

  • Redundancy: Stacking provides built-in redundancy, ensuring uninterrupted network operation even in the event of a switch failure.
  • Simplified Management: Managing multiple switches as a stack streamlines administrative tasks, reducing complexity and potential points of failure.
  • Scalability: As network requirements grow, additional switches can be easily added to the stack, offering a scalable solution that evolves with the needs of the organization.

Ethernet Switch Functionality

High-Speed Connectivity

At its core, the WS-C3750-48PS-S is built for high-speed connectivity. With 48 Ethernet ports, each capable of delivering Gigabit speeds, the switch ensures that data flows seamlessly within the network. This is crucial for bandwidth-intensive applications and services that demand low latency and high throughput.

Quality of Service (QoS)

Recognizing the importance of prioritizing certain types of network traffic, the WS-C3750-48PS-S incorporates Quality of Service (QoS) features. This enables administrators to assign priorities to different types of data, ensuring that critical applications receive the necessary bandwidth and are not affected by lower-priority traffic.

General Information about this Cisco WS-C3750-48PS-S

  • Manufacturer: Cisco
  • Model Number or SKU# WS-C3750-48PS-S
  • Product Series: 3750
  • Product Type: Layer 3 Switch

Technical Information of 48 Ports Switch

  • Total Number of Ports: 48
  • Media Type: Supported Twisted Pair
  • Ethernet Technology: Fast Ethernet
  • Network Technology: 10/100Base-TX
  • Layer Supported: 3
  • Expansion Slot Type: SFP
  • Number of SFP Slots: 4

Management & Protocols

  • Manageable: Yes
  • SNMP: v1, v2c, v3
  • RMON: 1, 2

Power Description

  • PoE (RJ-45) Port: Yes
  • Input Voltage: 110 V AC
  • Input Voltage: 220 V AC
  • Power Source: Power Supply


  • Full duplex capability, layer 3 switching, layer 2 switching, auto-sensing per device,
  • DHCP support, auto-negotiation, ARP support, trunking, VLAN support,
  • Auto-uplink (auto MDI/MDI-X), IGMP snooping, Syslog support, manageable,
  • Intrusion Detection System (IDS), Broadcast Storm Control, Multicast Storm Control,
  • Unicast Storm Control, Spanning Tree Protocol (STP) support, Rapid Spanning
  • Tree Protocol (RSTP) support, DHCP snooping, Dynamic Trunking Protocol (DTP) support,
  • Port Aggregation Protocol (PAgP) support, Access Control List (ACL) support, Quality of Service (QoS),
  • Jumbo Frames support, Dynamic ARP Inspection (DAI), Per-VLAN Spanning Tree Plus (PVST+)

Compliant Standards

  • IEEE 802.3u, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p,
  • IEEE 802.3af, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w,
  • IEEE 802.1x, IEEE 802.1s


  • Standard Memory: 128 MB
  • Memory Technology: DRAM
  • Flash Memory: 16 MB

Environmental Parameters

  • Min Operating Temperature: 32 °F
  • Max Operating Temperature: 113 °F
  • Humidity Range Operating: 10 - 85%
  • Max Altitude Operating: 9840 ft

Outline, the Cisco WS-C3750-48PS-S is a feature-rich Ethernet switch designed to meet the diverse needs of modern network infrastructures. From its Power over Ethernet Plus (PoE+) capabilities to Small Form-Factor Pluggable (SFP) support, advanced manageability features, Layer 3 functionality, and stackable design, this switch offers a comprehensive solution for organizations seeking a reliable and scalable networking solution. Its versatility makes it suitable for a wide range of applications, from small businesses to large enterprises, providing the foundation for efficient and resilient network operations. As technology continues to evolve, the Cisco WS-C3750-48PS-S stands as a testament to Cisco's commitment to delivering cutting-edge networking solutions.

Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

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