WS-C3750G-48PS-E Cisco Catalyst 48 Ports Ethernet Switch New

The WS-C3750G-48PS-E Catalyst 3750 is a powerful network switch designed for professional use. In this comprehensive guide, we'll delve into the key features and benefits of this Manageable switch, focusing on its technical specifications, functionality, and how it can enhance network management. Whether you're a seasoned IT professional or someone exploring network infrastructure, this guide will provide valuable insights into the WS-C3750G-48PS-E Catalyst 3750.

The WS-C3750G-48PS-E is a member of the Catalyst 3750 series, renowned for its reliability and advanced features. Let's break down its specifications to gain a better understanding of its capabilities.

• Ports and Connectivity: The switch boasts 48 ports, supporting 10/100/1000T RJ-45 connections. This extensive port capacity makes it ideal for medium to large-scale networks. Whether you need to connect numerous devices or accommodate high-bandwidth applications, the WS-C3750G-48PS-E has you covered.
• Power Over Ethernet (PoE) Functionality: One standout feature of the WS-C3750G-48PS-E is its Power Over Ethernet (PoE) capability. This means the switch can deliver power to connected devices, such as IP cameras, phones, or access points, through the Ethernet cables. This eliminates the need for separate power sources, simplifying installation and reducing cable clutter.
• Manageability: The switch is equipped with advanced management features, allowing network administrators to have granular control over the network. From monitoring traffic to configuring settings, the WS-C3750G-48PS-E offers a user-friendly interface for efficient network management.
• Layer 4 Capabilities: Another notable feature is its Layer 4 capabilities. This refers to the switch's ability to operate at the transport layer of the OSI model. Layer 4 switches can make intelligent decisions based on data from the application layer, enhancing the overall efficiency and performance of the network.
• Rack Mountable and Stackable Design: The WS-C3750G-48PS-E is designed for versatility. Its 1U rack-mountable form factor allows for easy integration into standard server racks, optimizing space utilization. Additionally, the switch is stackable, enabling the expansion of network capacity by connecting multiple units seamlessly.
• SFP Ports for Fiber Connectivity: In addition to the abundance of RJ-45 ports, the WS-C3750G-48PS-E features 4 Small Form-Factor plugable (SFP) ports. These ports support fiber optic connectivity, enabling high-speed and long-distance data transmission. This is particularly beneficial for interconnecting switches in different parts of a large facility.

• Enhanced Power Efficiency: The PoE capability of the WS-C3750G-48PS-E not only simplifies installations but also promotes power efficiency. By delivering power over the Ethernet cables, the switch reduces the need for additional power sources, contributing to a more streamlined and eco-friendly network infrastructure.
• Scalability and Flexibility: With its stackable design, the WS-C3750G-48PS-E offers scalability that can grow with your network requirements. Whether your organization expands or undergoes changes, the switch provides the flexibility to adapt to evolving demands.
• Robust Security Features: Security is a top priority in any network environment. The WS-C3750G-48PS-E is equipped with advanced security features, including access control lists (ACLs), secure shell (SSH) protocol, and 802.1X authentication. These features help safeguard your network from unauthorized access and potential threats.
• Optimized Performance with Layer 4 Intelligence: The Layer 4 capabilities of the switch contribute to optimized performance. By operating at the transport layer, the WS-C3750G-48PS-E can make intelligent routing decisions based on application-layer data, resulting in improved overall network efficiency.
• Fiber Connectivity for High-Speed Data Transmission: The inclusion of SFP ports ensures high-speed and reliable connectivity over fiber optics. This is particularly beneficial for organizations with the need for fast and stable data transmission over extended distances, such as in campus or multi-building environments.

• Installation and Configuration: When deploying the WS-C3750G-48PS-E, proper installation and configuration are crucial. Ensure that the switch is securely mounted in a rack for optimal space utilization. Utilize the management interface to configure network settings, VLANs, and PoE parameters according to your organization's requirements.
• Network Segmentation: Leverage the switch's VLAN support for effective network segmentation. This practice enhances security, improves network performance, and simplifies management. By logically dividing the network into smaller segments, you can control traffic flow and isolate potential issues.
• Power Over Ethernet Planning: When utilizing PoE, carefully plan the power requirements of connected devices. The switch has a maximum PoE budget, and exceeding this limit may result in reduced performance. Prioritize critical devices and ensure that the switch can adequately provide power to each connected device.
• Regular Firmware Updates: To ensure optimal performance and security, it's essential to keep the switch's firmware up to date. Regularly check for firmware updates on the manufacturer's website and follow best practices for firmware upgrades, including backups and testing in a controlled environment.
• Monitoring and Reporting: Implement a robust monitoring system to keep track of the switch's performance and detect potential issues proactively. Set up alerts for critical events, such as port failures or power issues, and regularly review logs to identify and address any anomalies.

In addition to its RJ-45 ports, the WS-C3750G-48PS-E includes 4 Small Form-Factor pluggable (SFP) ports. These ports support fiber optic connectivity, offering high-speed and long-distance data transfer capabilities. This is particularly beneficial in scenarios where traditional copper cabling may be impractical.

The WS-C3750G-48PS-E Cisco Catalyst 3750 is a high-performance switch that is designed for enterprise-class networks. It has 48 10/100/1000 Ethernet ports with Power over Ethernet (PoE) capability, which means it can provide power to devices such as IP phones, wireless access points, and cameras over the Ethernet cables connected to them. This eliminates the need for additional power cables and outlets for these devices.

In terms of performance, the switch is capable of forwarding traffic at wire speed, meaning it can handle the full capacity of all 48 ports simultaneously without any loss of performance. The switch also supports advanced features such as Quality of Service (QoS) and Link Aggregation Control Protocol (LACP) which can help prioritize and balance traffic, ensuring optimal performance for critical applications.

The switch is also designed for high availability and reliability. It supports Cisco StackWise technology, which allows up to nine switches to be stacked together and managed as a single unit. This allows for redundancy and failover capabilities, ensuring that the network remains operational even in the event of a switch failure.

Additionally, the switch supports redundancy protocols such as Hot Standby Router Protocol (HSRP) and Virtual Router Redundancy Protocol (VRRP), which help ensure that there is always a backup router available in case the primary router fails.

Compliant Standards

The WS-C3750G-48PS-E Cisco Catalyst 3750 switch is compliant with various standards that ensure interoperability and compliance with industry regulations.

In terms of network protocols, the switch supports IEEE 802.3 (Ethernet), IEEE 802.3u (Fast Ethernet), IEEE 802.3ab (Gigabit Ethernet), IEEE 802.3x (Flow Control), IEEE 802.1D (Spanning Tree Protocol), IEEE 802.1p (Class of Service), IEEE 802.1Q (VLAN Tagging), IEEE 802.3af (Power over Ethernet), IEEE 802.3at (Power over Ethernet Plus), and IEEE 802.3az (Energy Efficient Ethernet).

In terms of security, the switch supports IEEE 802.1X (Network Login), RADIUS, TACACS+, and Secure Shell (SSH) protocols, which help ensure secure communication and access control.

In terms of management, the switch supports SNMP v1, v2c, and v3, RMON, CiscoWorks, and Cisco Network Assistant, which provide a wide range of management and monitoring capabilities.

In terms of environmental and safety standards, the switch is compliant with RoHS, WEEE, and UL 60950-1 safety standards, which help ensure that the switch is safe for use and does not contain hazardous materials.

• Manufacturer: Cisco
• Part Number or SKU# WS-C3750G-48PS-E
• Product Line: Catalyst
• Product Series: 3750
• Product Name: Catalyst 3750G-48PS Stackable Gigabit Ethernet Switch
• Product Type: Ethernet Switch

• Total Number of Network Ports: 48
• Number of Network (RJ-45) Ports: 48
• Port/Expansion Slot Details: 48 x Gigabit Ethernet Network
• Port/Expansion Slot Details: 4 x Gigabit Ethernet Expansion Slot

• Media Type Supported: Twisted Pair
• Twisted Pair Cable Standard: Category 5
• Ethernet Technology: Gigabit Ethernet
• Network Technology: 10Base-T
• Network Technology: 10/100/1000Base-T

• Number of Total Expansion Slots: 4
• Expansion Slot Type: SFP
• Number of SFP Slots: 4

• Layer Supported: 4

Memory

• Standard Memory: 128 MB
• Memory Technology: DRAM
• Flash Memory: 32 MB

Reliability

• MTBF: 141005 Hour

Power Description

• Input Voltage: 110 V AC
• Input Voltage: 220 V AC
• Power Source: Power Supply
• Redundant Power Supply: Yes

Finally, the WS-C3750G-48PS-E Catalyst 3750 switch is a versatile and feature-rich networking solution suitable for a wide range of applications. Its extensive port capacity, PoE capabilities, Layer 4 intelligence, and stackable design make it a valuable asset for organizations seeking a reliable and scalable network infrastructure.

By understanding its key features and implementing best practices during deployment, organizations can leverage the WS-C3750G-48PS-E to enhance connectivity, improve efficiency, and ensure a secure networking environment. As technology continues to evolve, investing in a robust and adaptable switch like the WS-C3750G-48PS-E is a strategic decision for future-proofing your network infrastructure.