CBS350-48T-4G Cisco 48 Ports L3 Managed Switch SFP Supported Refurbished

In the ever-evolving landscape of networking, the CBS350-48T-4G stands out as a robust and versatile solution. This 48-port Ethernet switch, equipped with Layer 3 (L3) management capabilities, offers unparalleled performance and flexibility for modern networking needs. This comprehensive guide aims to delve into the intricacies of the 48-port CBS350-48T-4G, breaking down its specifications, features, and benefits.

The CBS350-48T-4G is a high-performance Ethernet switch designed to meet the demands of contemporary networking environments. Let's explore its key attributes:

The switch boasts an impressive 48 ports, providing ample connectivity for a myriad of devices. These ports support 10/100/1000 Mbps, ensuring seamless communication across the network. Additionally, the switch features 4 SFP (Small Form-factor Pluggable) ports, enabling modular optical fiber and twisted pair connectivity for enhanced flexibility.

One of the standout features of the CBS350-48T-4G is its Layer 3 management capabilities. Unlike Layer 2 switches that operate at the data link layer, Layer 3 switches can make routing decisions at the network layer. This empowers the switch to intelligently route data based on IP addresses, enhancing overall network efficiency.

The CBS350-48T-4G is designed with practicality in mind, featuring a rack-mountable design. This makes it easy to integrate into standard network racks, optimizing space utilization in data centers or network closets.

The inclusion of 4 SFP ports on the CBS350-48T-4G opens up possibilities for modular optical fiber connectivity. This is especially advantageous in scenarios where long-distance communication or high-bandwidth requirements are crucial. Fiber-optic connections offer superior data transfer rates and immunity to electromagnetic interference.

In addition to optical fiber, the switch supports twisted pair connections through its 48 10/100/1000 Mbps ports. Twisted pair cables, commonly used in Ethernet networks, provide a cost-effective and reliable solution for shorter-distance connections within local networks.

Efficiency is a key consideration in networking equipment, and the CBS350-48T-4G excels in this regard. With a power consumption of 48.64 Watts, the switch balances performance with energy efficiency. This ensures that the switch operates optimally while minimizing power-related costs.

The CBS350-48T-4G is equipped with an internal power supply, simplifying installation and reducing external dependencies. This power supply is compatible with both AC 120V and 230V, accommodating diverse power infrastructures worldwide. The switch's ability to operate at 50/60 Hz further enhances its adaptability to different power systems.

The abundance of ports and modular support for optical fiber and twisted pair connections make the CBS350-48T-4G highly scalable. Whether you are expanding your network or adapting to changing requirements, this switch can easily accommodate your growing needs.

With Layer 3 management capabilities, the switch offers advanced traffic control features. This includes the ability to prioritize certain types of data, ensuring that critical applications receive the bandwidth they require for optimal performance.

The support for SFP modules adds a layer of flexibility to the CBS350-48T-4G. This allows for easy customization of the switch based on the specific networking infrastructure and ensures compatibility with a variety of optical fiber types.

The rack-mountable design of the switch is ideal for environments where space is a premium. By efficiently utilizing rack space, the CBS350-48T-4G contributes to a tidy and organized networking setup.

Incorporating an internal power supply and consuming only 48.64 Watts, the CBS350-48T-4G prioritizes power efficiency. This not only reduces electricity costs but also aligns with environmentally conscious practices, making it a responsible choice for businesses aiming to minimize their carbon footprint.

The CBS350-48T-4G is a manageable switch, providing administrators with the tools needed to monitor and control network operations. This includes features such as VLAN (Virtual Local Area Network) support, QoS (Quality of Service) prioritization, and SNMP (Simple Network Management Protocol) for centralized management.

Security is paramount in network management, and the CBS350-48T-4G incorporates a range of security features. These include MAC-based port security, DHCP snooping, and access control lists (ACLs) to regulate and control access to the network.

The CBS350-48T-4G is well-suited for enterprise-level networks where a large number of devices need to be connected securely and efficiently. Its Layer 3 capabilities make it a valuable asset in routing data between different subnets, and optimizing communication within the organization.

In data center environments, space efficiency and reliable performance are critical. The rack-mountable design of the CBS350-48T-4G makes it an ideal choice for data center installations, while its modular fiber-optic support caters to high-bandwidth requirements.

Educational institutions often require extensive network connectivity for classrooms, offices, and research facilities. The CBS350-48T-4G's manageability and security features make it a reliable choice for meeting the networking needs of schools and universities.

Power and Innovation for Layer 3 Managed Switch

The Cisco CBS350-48T-4G is a Layer 3 Managed switch that has 48 Gigabit Ethernet ports and 4 SFP (Small Form-Factor Pluggable) ports. It is a member of the Cisco Catalyst 350X series, which is designed for small to medium-sized businesses and enterprise branch offices.

One of the key features of this product is its ability to provide advanced Layer 3 routing capabilities, such as OSPF and EIGRP. This allows the switch to support more complex network topologies and to provide enhanced network segmentation and traffic management.

In addition to its routing capabilities, this part also offers several other advanced features, including Quality of Service (QoS) for traffic prioritization, access control lists (ACLs) for security, and Link Aggregation Control Protocol (LACP) for increased bandwidth.

Another feature of this product is its power innovation, it can support both standard AC and DC power inputs, which allows the switch to be deployed in a variety of environments, including those with limited AC power availability.

Furthermore, this item supports the Cisco DNA Advantage, which provides a comprehensive set of network management and automation tools that help customers simplify their network operations, reduce costs, and improve security.

Remote Management Protocol

The CBS350-48T-4G is a Cisco 48-port L3 managed switch that supports remote management protocols such as Simple Network Management Protocol (SNMP), Cisco Discovery Protocol (CDP), and Telnet.

SNMP is a widely used protocol for managing and monitoring network devices. It allows administrators to monitor the switch's performance, configuration, and other parameters through SNMP management software.

CDP is a Cisco proprietary protocol that allows network devices to share information about other directly connected Cisco equipment, including device type, uptime, IOS version, and IP address.

Telnet is a remote login protocol that allows administrators to access the switch's command-line interface remotely over the network. It allows administrators to configure, troubleshoot, and manage the switch remotely.

Additionally, it also supports Remote management protocols such as HTTPS, SSH, and SCP, which are also widely used for secure remote management of network devices.

• Manufacturer: Cisco
• Model Number or SKU# CBS350-48T-4G
• Product Series: 350
• Product Type: Ethernet Switch

• Total Number of Ports: 48
• Enclosure Type: Rack-mountable
• Port Configuration: 48 x 10/100/1000 + 4 x SFP
• Performance:
  • Switching Capacity: 104 Gbps
  • Forwarding Performance (64-byte packet size): 77.38 Mpps
• Capacity:
  • RPVST+ Instances: 126
  • MSTP Instances: 8
  • VLANs Supported: 4094
  • ACL Rules: 1024
  • Buffer Capacity (MB): 3
• MAC Address Table Size: 16K entries
• Jumbo Frame Support: 2KB
• Max Units in a Stack: 4

• Routing Protocols:
  • IGMPv2, IGMP, IGMPv3, static IPv4 routing, static IPv6 routing, policy-based routing (PBR), MLDv2, MLD, CIDR, MSTP, RSTP, STP
• Remote Management Protocols:
  • SNMP 1, RMON, Telnet, SNMP 3, SNMP 2c, HTTP, HTTPS, TFTP, SSH, SSH-2, CLI, SCP, ICMP, DHCP, RSTP, TACACS+, RADIUS
• Encryption Algorithm: SSL
• Authentication Methods: Secure Shell (SSH), RADIUS, TACACS, TACACS+, Secure Shell v.2 (SSH2)

• Flow control, BOOTP support, ARP support, VLAN support, Syslog support, DoS attack prevention, DiffServ support, Broadcast Storm Control, IPv6 support, Multicast Storm Control, firmware upgradable, SNTP support, DHCP snooping, Quality of Service (QoS), DHCP server, Dynamic ARP Inspection (DAI), Per-VLAN Spanning Tree Plus (PVST+), reset button, STP Root Guard, Uni-Directional Link Detection (UDLD), fanless, LACP support, LLDP support, DHCP relay, Management Information Base (MIB), Multicast VLAN Registration (MVR), Generic VLAN Registration Protocol (GVRP), 802.1x authentication, Type of Service (ToS), DiffServ Code Point (DSCP) support, cable test, IP source guard, SmartPort technology, dual image support, DNS client, Secure Core Technology (SCT), Private VLAN Edge (PVE), LLDP-MED, IP/Mac/Port Binding (IPMB), Secure Sensitive Data (SSD), ISATAP tunnel support, RA guard, User Datagram Protocol (UDP), Weighted Round Robin (WRR), Head-of-line (HOL) Blocking Prevention, loopback detection, Unknown Storm Control, BPDU Guard, Link Aggregation Group (LAG), Voice Services Discovery Protocol (VSDP), Rapid PVST+ (RPVST+), Duplicate Address Detection (DAD)

• IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.3ae, IEEE 802.1s, IEEE 802.1ab (LLDP), IEEE 802.3an, IEEE 802.3az

Processor, Memory, and Indicators

• Processor: ARM 800 MHz
• RAM: 512 MB
• Flash Memory: 256 MB
• Status Indicators: Status, link/activity/speed

Power and Miscellaneous Information

• Power Device: Internal power supply
• Voltage Required: AC 120/230 V (50/60 Hz)
• Power Consumption Operational: 48.64 Watts
• Miscellaneous:
  • Rack Mounting Kit Included
  • MTBF: 1,452,667 hours
  • Compliant Standards: UL 60950, CSA 22.2, FCC CFR47 Part 15 B Class A, USGv6

Environmental Parameters

• Min Operating Temperature: 23 °F
• Max Operating Temperature: 122 °F
• Humidity Range Operating: 10 - 90% (non-condensing)
• Min Storage Temperature: -13 °F
• Max Storage Temperature: 158 °F
• Humidity Range Storage: 10 - 90% (non-condensing)

Finally, the CBS350-48T-4G Ethernet switch offers a comprehensive solution for modern networking needs. With its impressive port count, Layer 3 management capabilities, and support for modular SFP connections, the switch caters to a wide range of applications. Whether deployed in enterprise settings, data centers, educational institutions, or telecommunication networks, the CBS350-48T-4G stands out as a reliable and versatile networking solution. Its rack-mountable design and efficient power supply further contribute to its appeal, making it a valuable addition to diverse network infrastructures.