## Ports The Cisco WS-C3850-12X48U-S Ethernet Switch is equipped with 48 ports, making it an ideal choice for businesses that require a high number of connections. These ports provide users with the ability to connect multiple devices, such as computers, servers, and IP phones, to the network. With 48 ports available, users can easily expand their network and accommodate a growing number of devices. Overview of Cisco Catalyst C3850-12X48U Switch ### Product Details ? Manufacturer: Cisco ? Model Number / SKU: WS-C3850-12X48U-S ? Product Line: Catalyst ? Series: 3850 ? Model: C3850-12X48U ? Type: Ethernet Switch ### Network Ports and Expansion ? Total Network Ports: 48 ? Modular: No ? Stack Port: Yes ? Port/Expansion Slot Details: 48 x Gigabit Ethernet Network ### Media and Performance Specifications ? Supported Media Type: Twisted Pair ? Ethernet Technology: Gigabit Ethernet ? Network Technology: 10/100/1000Base-T #### Key Features ? Access Control List (ACL) and ARP Support ? Auto-negotiation and Auto-uplink (Auto MDI/MDI-X) ? Cisco StackPower and StackWise-480 Technologies ? DHCP Snooping and Dynamic ARP Inspection (DAI) ? Dynamic Trunking Protocol (DTP) Support ? Energy Efficient Ethernet ? Flexible NetFlow (FNF) and IGMP Snooping ? IPv4 and IPv6 Support ? Layer 3 Load Balancing and Link Aggregation Control Protocol (LACP) ? MLD Snooping and Multiple Spanning Tree Protocol (MSTP) Support ? Port Aggregation Protocol (PAgP) Support ? Quality of Service (QoS) and RADIUS Support ? Rapid Per-VLAN Spanning Tree Plus (PVRST+) and Rapid Spanning Tree Protocol (RSTP) Support ? Remote Switch Port Analyzer (RSPAN) ? Shaped Round Robin (SRR) and STP Root Guard ? Syslog and Trivial File Transfer Protocol (TFTP) Support ? Trunking and Uni-Directional Link Detection (UDLD) ? Virtual Route Forwarding-Lite (VRF-Lite) and VLAN Support ### Networking and Management ? Layer Supported: 3 ? Manageable: Yes ### Standards Compliance ? IEEE 802.1D, IEEE 802.1p, IEEE 802.1Q ? IEEE 802.1s, IEEE 802.1w ? IEEE 802.1x, IEEE 802.3 ? IEEE 802.3ab, IEEE 802.3ad (LACP) ? IEEE 802.3af, IEEE 802.3at ? IEEE 802.3u, IEEE 802.3x, IEEE 802.3z ### Certification and Compliance ? CISPR 22 Class A, CISPR 24 ? CSA C22.2 No. 60950-1 Second Edition ? EN 60950-1 Second Edition, EN 61000-3-2, EN 61000-3-3 ? EN55022 Class A, EN55024 ? GOST, ICES-003 Class A ? IEC 60950-1 Second Edition, KCC ? KN22 Class A, KN24 ? NOM, RoHS, UL 60950-1 Second Edition ? VCCI Class A ### Authentication and Reliability ? Authentication Methods: Kerberos, RADIUS, Secure Shell (SSH), TACACS+ ? Mean Time Between Failures (MTBF): 202,030 hours ### Physical and Power Specifications ? Height (Rack Units): 1 ? Color: Gray ? Frequency Required: 50/60 Hz ? Power Provided: 1100 Watt ? Installed Quantity: 1 ? Maximum Supported Quantity: 2 ? Nominal Voltage: AC 120/230 V ? Power Redundancy: Optional ? Power Redundancy Scheme: 1+1 (with optional power supply) ? Type: Internal Power Supply ### Environmental Conditions ? Minimum Operating Temperature: 23 ?F ? Maximum Operating Temperature: 113 ?F ? Humidity Range Operating: 10 ? 95% (non-condensing) ? Minimum Storage Temperature: -40 ?F ? Maximum Storage Temperature: 158 ?F ### Increased Connectivity Having 48 ports on the Cisco WS-C3850-12X48U-S Ethernet Switch allows for increased connectivity within a network. This is especially beneficial for businesses that have a large number of employees or require multiple devices to be connected simultaneously. With more ports available, users can connect their devices directly to the switch without the need for additional networking equipment. In addition, the 48 ports on this switch support high-speed data transfer rates, ensuring that users can access and transfer data quickly and efficiently. This is particularly important for businesses that rely on fast and reliable network connections to carry out their daily operations. #### Flexibility and Scalability The Cisco WS-C3850-12X48U-S Ethernet Switch’s 48 ports offer flexibility and scalability to accommodate the changing needs of a business. As the number of devices and users increases, having more ports available ensures that there is sufficient capacity to support the growing network demands. Furthermore, the switch’s modular design allows users to add or remove modules as needed, providing even more flexibility in terms of port configuration. This makes it easy to adapt the switch to meet specific networking requirements, whether it’s adding more ports or configuring them for specific purposes. ##### Improved Network Performance The 48 ports on the Cisco WS-C3850-12X48U-S Ethernet Switch contribute to improved network performance. With more ports available, network congestion can be minimized, ensuring that each device connected to the switch can operate at its maximum potential. In addition, the switch supports advanced features such as Quality of Service (QoS), which allows users to prioritize certain types of traffic over others. This ensures that critical data, such as VoIP or video streaming, is given priority, resulting in a smoother and more reliable network experience. ## Features The Cisco WS-C3850-12X48U-S Ethernet Switch offers a range of features that make it a powerful and versatile networking solution. Two standout features of this switch are its Layer 3 routing capability and PoE+ support. ### Layer 3 Routing Layer 3 routing is a crucial feature for businesses that require advanced routing capabilities. With Layer 3 routing, the Cisco WS-C3850-12X48U-S Ethernet Switch can make intelligent routing decisions based on IP addresses, allowing for more efficient and optimized data transfer between different networks. This feature is particularly important for businesses with multiple VLANs (Virtual Local Area Networks) or those that need to connect to different networks or subnets. Layer 3 routing enables the switch to handle complex routing tasks, ensuring that data reaches its intended destination in the most efficient manner possible. #### Enhanced Security Layer 3 routing also enhances network security by providing more granular control over traffic flow. The switch can implement access control lists (ACLs) and firewall rules to filter and restrict traffic based on specific criteria, such as source or destination IP addresses. This level of control allows businesses to enforce strict security policies and protect their network from unauthorized access or malicious activity. By effectively segmenting the network and controlling traffic flow, the Cisco WS-C3850-12X48U-S Ethernet Switch helps prevent potential security breaches. ##### Improved Network Performance and Efficiency Layer 3 routing can significantly improve network performance and efficiency. By intelligently routing data based on IP addresses, the switch can optimize traffic flow and reduce congestion, resulting in faster and more reliable data transfer. In addition, Layer 3 routing enables the switch to support advanced networking protocols such as OSPF (Open Shortest Path First) or EIGRP (Enhanced Interior Gateway Routing Protocol). These protocols enhance network scalability and adaptability, allowing businesses to easily expand their network or make changes without disrupting existing connections. ### PoE+ Support The Cisco WS-C3850-12X48U-S Ethernet Switch also features Power over Ethernet (PoE+) support. PoE allows the switch to provide power to connected devices, such as IP phones, wireless access points, or security cameras, through the Ethernet cables. This eliminates the need for separate power cables and power outlets for each device, simplifying installation and reducing clutter. With PoE+, the switch can deliver more power to devices compared to standard PoE, making it suitable for power-hungry devices or those located in remote areas where power sources may be limited. #### Simplified Network Deployment PoE+ support simplifies network deployment by eliminating the need for additional power infrastructure. Businesses can easily install devices in various locations without worrying about power availability or the hassle of running additional cables. This feature is particularly useful for businesses that require flexible or temporary network setups, such as event venues or construction sites. PoE+ ensures that essential network devices can be quickly deployed and powered without relying on external power sources. ##### Cost and Energy Savings PoE+ support offers cost and energy savings for businesses. By using the switch’s power capabilities, businesses can reduce the need for separate power supplies, resulting in lower equipment costs. In addition, PoE+ enables more efficient power management. The switch can monitor and control the power usage of connected devices, allowing businesses to optimize energy consumption and reduce their overall carbon footprint.