Cisco C9300L-48P-4G-E 48 Ports Ethernet Switch
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Cisco C9300L-48P-4G-E 48 Ports Ethernet Switch Catalyst Refurbished

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Part Number#: C9300L-48P-4G-E
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Short Description:
C9300L-48P-4G-E Catalyst 9300L Layer3 (L3) 48 Power Over Ethernet Plus (PoE+) Ethernet Ports & 4 1-Gigabit Ethernet Small Form-Factor Pluggable Plus (SFP+) Uplink 48 Ports Ethernet Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Overview of the Cisco C9300L-48P-4G-E 48 Ports Ethernet Switch

The Cisco C9300L-48P-4G-E is a robust network switch designed to meet the demands of modern networking environments. This Layer 3 (L3) switch combines high-performance capabilities with Power over Ethernet Plus (PoE+) support, making it an ideal choice for businesses and organizations requiring advanced networking solutions. The Catalyst 9300L Series is a family of enterprise-grade switches developed by Cisco, a renowned leader in networking technology. These switches are designed to deliver superior performance, scalability, and security, catering to the evolving needs of today's digital landscape.

Layer 3 Functionality

The Cisco C9300L-48P-4G-E is a Layer 3 switch, which means it operates at the network layer of the OSI model. This functionality enables the switch to make forwarding decisions based on IP addresses, making it more intelligent and efficient in handling complex networking tasks.

48 Power Over Ethernet Plus (PoE+) Ethernet Ports

One of the standout features of this switch is its 48 ports Power Over Ethernet Plus (PoE+) Ethernet ports. PoE+ technology allows both data and power to be transmitted over a single Ethernet cable, simplifying the deployment of network devices such as IP cameras, VoIP phones, and wireless access points.

Small Form-Factor Pluggable Plus (SFP+) Uplink Ports

In addition to the 48 PoE+ Ethernet ports, the C9300L-48P-4G-E is equipped with 4 1-Gigabit Ethernet Small Form-Factor Pluggable Plus (SFP+) uplink ports. These uplink ports provide high-speed connectivity and flexibility, allowing the integration of fiber-optic or copper uplinks to connect the switch to other network devices or upstream switches.

Simplified Deployment

With PoE+ support, the Cisco C9300L-48P-4G-E eliminates the need for separate power cables for connected devices. This not only simplifies the cabling infrastructure but also enhances the flexibility of device placement since power outlets are no longer a limiting factor.

Increased Efficiency

By delivering both power and data over the same cable, PoE+ enhances energy efficiency. It allows for centralized power management, enabling administrators to monitor and control the power consumption of connected devices. This capability is crucial in environments where energy efficiency is a priority.

Support for Diverse Devices

The 48 PoE+ Ethernet ports on the switch cater to a wide range of devices that require both data connectivity and power. This includes IP cameras for video surveillance, VoIP phones for communication, and wireless access points for seamless connectivity in office spaces or large venues.

Gigabit Speeds

The 4 1-Gigabit Ethernet SFP+ uplink ports on the C9300L-48P-4G-E provide high-speed connectivity to upstream devices or other switches in the network. This is crucial for ensuring fast and reliable data transfer, especially in environments with high data demands.

Fiber-optic and Copper Connectivity

The Small Form-Factor Pluggable Plus (SFP+) ports offer flexibility in choosing the type of uplink connectivity. They support both fiber-optic and copper SFP+ modules, allowing organizations to choose the most suitable medium based on their infrastructure and performance requirements.

Scalability and Future-Proofing

The inclusion of SFP+ uplink ports not only provides immediate high-speed connectivity but also future-proofs the network. As bandwidth requirements increase, organizations can easily upgrade to faster SFP+ modules without having to replace the entire switch.

Advanced Security Capabilities

Security is a top priority in modern networks, and the C9300L-48P-4G-E is equipped with advanced security features to safeguard against potential threats. These include access control lists (ACLs), secure boot, and MACsec encryption, ensuring the integrity and confidentiality of data traversing the network.

Deployment Scenarios

Enterprise Networks

The Cisco C9300L-48P-4G-E is well-suited for deployment in enterprise networks where high performance, scalability, and security are paramount. The combination of Layer 3 functionality, PoE+ support, and SFP+ uplink ports makes it an ideal choice for organizations with diverse connectivity requirements.

IP Surveillance

In environments requiring surveillance solutions, the switch's PoE+ capabilities simplify the deployment of IP cameras. The 48 PoE+ ports ensure that each camera receives both data and power, eliminating the need for separate power sources and streamlining the process.

Unified Communications

For organizations implementing unified communications solutions, the C9300L-48P-4G-E provides the necessary infrastructure support. The PoE+ ports can power VoIP phones, while the high-speed SFP+ uplink ports ensure low latency and reliable communication.

Optimize Network Performance of SFP Switch Module

The Cisco Catalyst 9300L 48 Ports Ethernet Switch (C9300L-48P-4G-E) is a powerful, energy-efficient switch designed for use in enterprise and campus networks. One way to optimize the performance of this switch is to properly configure the network settings, such as setting up VLANs to segment traffic and reduce congestion. Additionally, using Quality of Service (QoS) policies can help prioritize critical traffic and prevent bandwidth bottlenecks. Utilizing Link Aggregation Control Protocol (LACP) to bundle multiple physical links into a single logical link can also help increase bandwidth and provide redundancy. Additionally, it's important to keep the switch software and firmware up-to-date to ensure that it has the latest features and security updates.

High-Speed Networking of 9300 Switch

The Cisco Catalyst 9300L 48 Ports Ethernet Switch (C9300L-48P-4G-E) is a high-speed networking device designed for enterprise and campus environments. It is part of the Cisco Catalyst 9300L series, which is a line of compact and energy-efficient switches that offer advanced security and network automation capabilities.

This specific model has 48 Gigabit Ethernet ports, 4 of which are SFP+ uplink ports for fiber connectivity. It also has 4GB of DRAM and 4GB of flash memory, allowing for advanced features such as Cisco DNA Center software-defined networking and Cisco SD-Access.

The C9300L-48P-4G-E supports various network protocols, including IPv4, IPv6, and MPLS, and it is equipped with advanced security features such as Cisco TrustSec and Cisco Identity Services Engine. It also supports Cisco StackWise-160, which allows for the stacking of up to eight switches for simplified management and increased scalability.

The switch is designed to be energy-efficient, with features such as Energy Efficient Ethernet (EEE) and dynamic power management. It also has a compact form factor, making it suitable for deployment in small and medium-sized businesses, branch offices, and enterprise networks.

Security and Access Control of Ethernet Switch

The Cisco Catalyst 9300L 48 Ports Ethernet Switch (C9300L-48P-4G-E) has a variety of security and access control features to protect your network. Some of these features include:

  • Access Control Lists (ACLs): ACLs allow you to specify which types of traffic are allowed or denied on your network. You can use ACLs to block unwanted traffic, such as malware or unauthorized access attempts.
  • Network Admission Control (NAC): NAC allows you to control access to your network based on the security posture of the device trying to connect. This can help prevent devices with known vulnerabilities from connecting to your network.
  • Secure Shell (SSH) and Secure Copy (SCP) support: SSH and SCP provide secure remote access and file transfer capabilities. This can help protect against man-in-the-middle attacks and other types of network intrusion.
  • Advanced Encryption Standard (AES) support: AES provides strong encryption for data in transit, helping to protect against eavesdropping and other types of network surveillance.
  • Cisco TrustSec: TrustSec is a security framework that allows you to control access to your network based on the identity of the user or device trying to connect. This can help prevent unauthorized access and protect against advanced threats.

General Information of the Cisco C9300L-48P-4G-E Ethernet Switch

  • Manufacturer: Cisco
  • Part Number or SKU# C9300L-48P-4G-E
  • Product Line: Catalyst
  • Product Series: 9300
  • Product Type: Ethernet Switch

Interfaces / Ports

  • Total Number of Network Ports: 48
  • Uplink Port: Yes
  • Modular: Yes
  • Stack Port: Yes
  • Port/Expansion Slot Details: 48 x Gigabit Ethernet PoE+, 4 x Gigabit Ethernet Uplink


  • Media Type Supported: Twisted Pair, Optical Fiber
  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 1000Base-T, 1000Base-X

I/O Expansions

  • Number of Total Expansion Slots: 4
  • Expansion Slot Type: SFP (mini-GBIC)
  • Shared SFP Slot: No
  • Number of SFP Slots: 4
  • Layer Supported: 3
  • Manageable: Yes

Power Description

  • Power Source: Power Supply
  • Redundant Power Supply Supported: Yes

Outline, the Cisco C9300L-48P-4G-E Catalyst 9300L Layer 3 switch is a powerful and versatile networking solution. With its combination of Layer 3 functionality, Power Over Ethernet Plus (PoE+) support, and high-speed Small Form-Factor Pluggable Plus (SFP+) uplink ports, it addresses the diverse needs of modern networking environments. Whether deployed in enterprise networks, IP surveillance setups, or unified communications environments, this switch provides the performance, scalability, and security required for today's digital landscape.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

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