Overview of the WS-C3750E-48PD-EF Cisco Catalyst Switch
Key features of the 3750E series
The 3750E series of Cisco Catalyst switches, of which the WS-C3750E-48PD-EF is a part, offers a number of key features that make it a popular choice for enterprise networks:
- High performance: The 3750E series offers high-speed switching and routing capabilities, making it suitable for use in demanding network environments.
- PoE+ support: Many models in the 3750E series, including the WS-C3750E-48PD-EF, support Power over Ethernet Plus (PoE+) which allows the switch to provide power to devices such as IP phones, wireless access points and cameras.
- Stackable design: The 3750E series supports stackable design, allowing up to 9 switches to be connected together for easy management and expansion.
- Advanced security: The 3750E series includes advanced security features such as access control lists (ACLs) and Network Admission Control (NAC) to help protect the network from unauthorized access and threats.
- Quality of Service (QoS): The 3750E series includes QoS capabilities that allow administrators to prioritize different types of traffic, such as voice and video, for optimal performance.
- Energy efficiency: The 3750E series supports Cisco EnergyWise technology which helps lower energy consumption and reduce power costs.
- Network Management: The 3750E series offers network management and monitoring capabilities via Cisco Prime, with which user can manage the switch remotely, monitoring network health and troubleshoot issues.
- Layer 3 Routing: The 3750E series offers the capability of Layer 3 routing, providing the ability to route traffic between VLANs, which is ideal for large enterprise networks.
- Application Visibility and Control: The 3750E series offers Application Visibility and Control (AVC) which allows for monitoring and controlling of individual applications and their associated traffic.
10/100/1000 PoE+ ports and their capabilities
The WS-C3750E-48PD-EF has 48 10/100/1000 PoE+ ports, which are ports that are capable of providing both data connectivity and power to devices connected to them. The PoE+ feature allows the switch to supply power to devices such as IP phones, wireless access points, and cameras, eliminating the need for separate power supplies or outlets for these devices.
The PoE+ ports on the WS-C3750E-48PD-EF can supply up to 30 watts of power per port, which is enough to power most PoE-enabled devices. This can help to simplify network deployments by reducing the need for additional power sources and cabling. It also reduces the total cost of ownership of the network, as devices can be deployed in areas where power outlets are not readily available.
The PoE+ ports also provide standard IEEE 802.3af and IEEE 802.3at power which allows the switch to provide power to devices that support either standard. Additionally, PoE+ ports also support Cisco's proprietary Cisco Discovery Protocol (CDP) and Link Layer Discovery Protocol (LLDP) which allows the switch to automatically detect and configure PoE-enabled devices connected to the switch.
- Manufacturer Cisco Systems, Inc
- Manufacturer Part Number WS-C3750E-48PD-EF
- Brand Name Cisco
- Product Line Catalyst
- Product Series 3750-E
- Product Model 3750E-48PD-EF
- Product Name Catalyst 3560 48-Port Multi-Layer Ethernet Switch with PoE
- Product Type Layer 3 Switch
- Total Number of Network Ports 48
- Number of Stack Ports 2
- Stack Port Yes
- Number of Network (RJ-45) Ports 48
Media & Performance:
- Ethernet Technology Gigabit Ethernet
- Network Technology 10/100/1000Base-T
- Number of Total Expansion Slots 2
- Expansion Slot Type X2
Network & Communication:
- Layer Supported 4
- Additional Information IP Services software feature set (IPS)
About Refurbished Products
Different Types of Switches
Networking switches vary widely depending on the number of devices they can support, network bandwidth/speed, and form factor. Switches for small offices will have anything between 4 and 8 ports and can fit on a desk. For larger office network implementation, switches may have 24 ports, 48 ports, 96 ports, and 128 ports and are rack-mountable between 1U and 4U. Switches come in different types depending on the network speed and tasks they support. These include 40/100 Gbps, 10 Gigabit (up to 10000 Mbps), Gigabit Ethernet (up to 1000 Mbps), Power over Ethernet, and Fast Ethernet (10/100 Mbps).
The unmanaged switches offer fixed configuration on a plug-and-play basis. It is the most basic switch and there are a few choices in the market. These switches are affordable, but the basic features make them inappropriate for enterprise applications.
The number of features and level of functionality improves with managed switches, making them ideal for enterprise and business applications. These switches are built with the command-line interface for ease of configuration. Equally, they support SNMP agents that come in handy when troubleshooting network issues.
The security on managed switches is better and will protect different types of traffic. Other features include support for virtual LANs, IP routing, and quality of service settings. Managed switches are more expensive compared to all other types of switches.
Smart switches refer to switches that possess more features than those of unmanaged switches but do not have the full features of managed switches. Smart switches are more cost-effective than managed switches.
Some of the limitations of the smart switches are a lack of telnet access support, Web GUIs, and a lack of many features for VLANs. They are affordable compared to a fully managed switch and are suitable for a smaller computer network.
Modular switches allow the addition of expansion modules as the network expands. The expansion modules allow for more networked devices but are application-specific. They may include wireless access points, firewalls, or network analysis tools. The flexibility of a modular networking switch comes at a higher cost.
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