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WS-C3750X-48P-L Catalyst 3750-X PoE Switch


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The Cisco Catalyst 3750-X Series Switches are designed to provide high availability, scalability, and security to enhance your network’s efficiency. The WS-C3750X-48P-L model features 48 Gigabit Ethernet ports with PoE+ support, making it ideal for a wide range of applications, including IP telephony and wireless networking. This switch is also equipped with StackWise Plus technology, offering 64 Gbps of throughput to handle increasing traffic loads effortlessly.

For organizations that prioritize security, the WS-C3750X-48P-L integrates hardware-based MACsec encryption to protect sensitive data traversing the network. It also supports Flexible NetFlow for comprehensive network visibility, allowing for advanced traffic monitoring and efficient troubleshooting. These security and monitoring features ensure your network remains both secure and highly available.

The switch’s modular design includes optional network modules that provide additional uplink capabilities, with the flexibility to select between Gigabit Ethernet or 10 Gigabit Ethernet ports. The dual redundant power supplies provide peace of mind by minimizing downtime due to power-related outages. Additionally, Cisco’s StackPower technology allows for power sharing among stacked switches, enhancing power redundancy and efficiency.

Investing in a WS-C3750X-48P-L switch also means you are prepared for the future with backward compatibility with other Cisco Catalyst 3750 Series Switches. In terms of costs, the energy-efficient operation of the Catalyst 3750-X Series minimizes total cost of ownership by reducing energy consumption.

To summarize, purchasing the WS-C3750X-48P-L Catalyst 3750-X PoE switch ensures you benefit from a resilient, secure, and energy-efficient networking foundation that supports your business operations today and adapts to meet the challenges of tomorrow.


Cisco Catalyst 3750-X Series Switch
Stackable 48 10/100/1000 Ethernet PoE+ ports
Four optional uplink network modules with GE or 10GE ports
Industry first PoE+ with 30W power on all ports in 1 rack unit (RU) form factor
Dual redundant, modular power supplies and fans
Media Access Control Security (MACsec) hardware-based encryption
Flexible NetFlow and switch-to-switch hardware encryption with the Service Module uplink
USB Type-A and Type-B ports for storage and console respectively and an out-of-band Ethernet management port
StackWise Plus
Cisco StackPowerTM technology: An innovative feature and industry first for sharing power among stack members
Cisco StackWise Plus technology for ease of use and resiliency with 64 Gbps of throughput
Investment protection with backward compatibility with all other models of Cisco Catalyst 3750 Series Switches



                                                                                                     Figure 1

Cisco Catalyst 3750-X Series Switches support 4 optional network modules for uplink ports (Figure 1);
The default switch configuration doesn’t include the uplink module; 
When purchasing switch, customers have flexibility to choose any group of network modules described below:

Product Number

Product Description


Four GbE port network module


Two 10GbE SFP+ ports network module with four physical ports with two SFP+ and two regular SFP ports


Two 10GB-T ports network module


Service Module with two 10GbE SFP+ ports network module for Netflow and MACsec encryption

                                                                                              Figure 2

Dual Redundant Modular Power Supplies

Cisco Catalyst 3750-X Series and 3560-X Series Switches support dual redundant power supplies (Figure 2);
One power supply is shipped with the switch by default;
Other power supply/suppliers can be purchased when ordering the switch or next time according to your needs.
If only one power supply is installed, it should always be in the power supply bay 1.

Table below shows the different power supplies available in these switches and available PoE power.

Power Supply Models


Default Power Supply

Available PoE Power

24 Port Data Switch


48 Port Data Switch

24 Port PoE Switch



48 Port PoE Switch

48 Port Full PoE Switch



24 Port UPOE Switch



48 Port UPOE Switch


Besides the above power supplies, a 440W DC power supply is available as a spare (should be ordered separately) on all switch models;
The DC power supply also delivers PoE capabilities for maximum flexibility, (please refer to table 7 for available PoE for different configurations);
Customers can mix and match the AC and DC power supplies in the two available power supply slots. Any of these power supplies can be installed in any of the switches.

Available PoE with DC power supply


# of 440W


Total Available PoE Budget

24-Port PoE Switch





48-Port PoE Switch





UPOE (60W per port)

One C3KX-PWR-715WAC and one C3KX-PWR-1100WAC


Two C3KX-PWR-1100WAC

One C3KX-PWR-715WAC and one C3KX-PWR-1100WAC


Two C3KX-PWR-1100WAC

Cisco Catalyst 3750-X Series Switch WS-C3750X-48P-L is an enterprise-class lines of stackable and standalone switches, respectively. Catalyst 3750-X switches provide high availability, scalability, security, energy efficiency, and ease of operation with innovative features such as Cisco StackPower, IEEE 802.3at Power over Ethernet Plus (PoE+) configurations, optional network modules, redundant power supplies, and Media Access Control Security (MACsec) features. Cisco Catalyst 3750-X Series with StackWise Plus technology provides scalability, ease of management and investment protection for the evolving business needs. The Cisco Catalyst 3750-X switches enhance productivity by enabling applications such as IP telephony, wireless, and video for borderless network experience.

Affordability Meets Quality

Choosing the WS-C3750X-48P-L Catalyst 3750-X PoE Switch from Northland Systems guarantees a blend of affordability and quality that’s hard to beat. At wholesale prices accompanied by a 100% Low Price Guarantee, you’re securing an investment that ensures value for money with high-quality, reliable Cisco equipment.

Complimentary Expert Support

With your purchase, Northland Systems hands you the key to free expert CCIE support. This perk adds immense value as you’ll have access to seasoned professionals for guidance on network setup and troubleshooting, all without an additional price tag. This free support covers a variety of channels, ensuring help is always within reach.

Secure and Flexible Transactions

Your transaction is not just a purchase, but a commitment sealed with security and convenience. Northland Systems provides a safe shopping experience with secure payments and a multitude of shipment options, underlining their trustworthiness with McAfee Secure and VeriSign Secured certifications.

Guaranteed Authenticity and Condition

Every Catalyst 3750-X PoE Switch comes with an assurance of authenticity and a declaration of condition—whether brand new sealed or professionally used/refurbished. Cisco-certified engineers meticulously test each product to ensure it meets strict reliability standards before it reaches you.

Instilling Customer Confidence

Your trust is paramount, bolstered by a 100% Money Back Guarantee. The confidence you place in Northland Systems is backed by a promise of satisfaction, making your investment virtually risk-free.

Established Reputation and Discounts

Since 1997, Northland Systems has been a steadfast provider in the industry, nurturing a reputation for reliability and excellent customer service, alongside offering substantial discounts on products like the Cisco Switch Catalyst 3750, which translates to impactful savings for your enterprise.

Opt for Pre-owned Hardware Advantage

Opting for pre-owned hardware like Switches > Cisco Switches offers a plethora of benefits. It’s economical, environmentally sustainable, and ensures you get expedited delivery. Moreover, you receive full warranty coverage and access to legacy parts crucial for the long-term stability of your network infrastructure.

Why Northland Systems?

In summary, purchasing the WS-C3750X-48P-L Catalyst 3750-X PoE Switch from Northland Systems is a smart choice. It promises unbeatable price quality rapport, augmented by expert support, secure and convenient shopping, guaranteed product authenticity and condition, and confidence in both the product and the provider. Coupled with its formidable reputation and the inherent benefits of opting for pre-owned hardware, Northland Systems stands out as your go-to provider for network equipment needs.

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Cisco Catalyst 3750X-24P-L switch image showing 24 PoE+ ports and optional uplink modules

WS-C3750X-48P-L Catalyst 3750-X PoE Switch

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