Cisco CBS250-48FP-4G Full English Product Description
1. Short Sales Title (For Quotation & E-commerce Listing)
Cisco CBS250-48FP-4G Business 250 Series 48-Port Full PoE+ Gigabit Smart Managed Switch, 370W Full High PoE Budget, 4 Dedicated 1G SFP Uplink Slots, Dual-Stack IPv4/IPv6 Layer 3 Static Routing, Fanless 1RU Rackmount High-Density Full PoE Switch
2. Official Product Overview
The Cisco CBS250-48FP-4G is the top-tier full PoE+ high-density model of the Cisco Business 250 Series smart switches, designed for large-scale unified voice, video, data and wireless deployments such as shopping mall surveillance systems, campus-wide Wi-Fi coverage, multi-line IP phone offices and factory monitoring networks. The "FP" suffix stands for Full PoE+, delivering a full 370W PoE power pool to support all 48 copper ports running at maximum 30W IEEE 802.3at PoE+ power simultaneously without power allocation restrictions, unlike low-power 195W PoE variants.
This cost-effective enterprise smart switch integrates wire-speed switching performance, complete Layer 2 feature suite, native dual-stack IPv4/IPv6 Layer 3 static routing, multi-layer security and simplified web management, consolidating all PoE endpoints on a single 1RU rack unit and eliminating separate power injectors for PTZ 4K IP cameras, Wi-Fi 6/6E high-power APs, video VoIP phones and classroom thin clients.
It is equipped with 48 IEEE 802.3at PoE+ Gigabit RJ45 ports plus 4 independent dedicated Gigabit SFP fiber uplink slots, providing 52 total Gigabit Ethernet interfaces for long-distance fiber interconnection between buildings or branch sites. Powered by an 800MHz ARM CPU, 512MB DRAM and 256MB flash memory, it delivers 104 Gbps switching capacity and 77.38 Mpps wire-speed forwarding rate for 64-byte frames, equipped with a large 3MB shared dynamic packet buffer to avoid congestion under heavy concurrent traffic including mass 4K surveillance streaming, bulk file transfers and multi-user video conferences.
3. Port & High-Power Full PoE Hardware Specifications
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48 × 10/100/1000BASE-T RJ45 ports, fully IEEE 802.3at PoE+ compliant, maximum 30W power output per single port
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Integrated high-capacity internal power supply, total PoE power budget: 370W Full PoE
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4 × dedicated Gigabit SFP uplink slots (fiber-only non-combo design)
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Compatible Cisco SFP transceivers: MGBSX1 multimode, MGBLX1/MGBLH1 single-mode, MGBT1 copper SFP
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Intelligent PoE management suite: time-based PoE scheduling, real-time per-port power monitoring, short-circuit & overload auto-cutoff protection
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Switching Capacity: 104 Gbps
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Forwarding Rate (64-byte packets): 77.38 Mpps
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Shared Packet Buffer: 3 MB
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MAC Address Table: 8K entries; Jumbo Frame support up to 9000-byte MTU
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Dual console ports: RJ45 serial console + mini USB port for offline local CLI configuration
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Front-panel USB Type-A port for offline configuration backup & firmware upgrade
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Fanless passive cooling design, zero-noise operation for offices, shopping malls and school campuses
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Universal internal AC power supply: 100–240V 50/60Hz global standard
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Form Factor: 1RU standard rackmount chassis, support rack mount, wall mount and desktop placement
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Dimensions: 445 × 350 × 44 mm (17.5 × 13.78 × 1.73 inches)
4. Comprehensive Layer 2 Switching Functions
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Up to 255 IEEE 802.1Q tagged VLANs, port-based VLAN, voice VLAN, isolated guest VLAN, dedicated management VLAN
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8 priority egress queues with Strict Priority / WRR QoS scheduling to prioritize VoIP, surveillance video and business data traffic
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IEEE 802.3ad LACP link aggregation, up to 4 LAG groups with maximum 8 ports per group for bandwidth expansion & link redundancy
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IGMP Snooping v1/v2/v3, supporting up to 255 multicast groups for IP video surveillance and IPTV
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LLDP & LLDP-MED automatic endpoint discovery for IP phones, cameras and wireless access points
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Port mirroring, RSTP/MSTP/PVST+ spanning tree protocols to eliminate Layer 2 broadcast loops
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Broadcast/multicast/unicast storm control to prevent network flooding failures
5. Native Dual-Stack IPv4 & IPv6 Layer 3 Static Routing
Built-in dual-stack static routing enables direct inter-VLAN communication on the switch, removing dependency on external routers. It supports up to 32 IPv4 static routes, 32 IPv6 static routes and 16 Layer 3 VLAN interfaces, offloading local internal office traffic, reducing core gateway load and lowering latency for multi-department segmented network architectures, ideal for large-scale multi-workgroup SMB and campus deployments.
6. Enterprise-Grade Multi-Layer Security Suite
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IEEE 802.1X port-based authentication with RADIUS centralized access control
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Port security, static MAC address binding, automatic blocking of unauthorized network terminals
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DoS attack suppression, multi-layer ACL traffic filtering to block malicious access
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Encrypted management channels: HTTPS web GUI, SSH CLI, SNMPv3 secure remote monitoring
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Syslog event logging, built-in cable diagnostic tools, mandatory password complexity policy
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Independent guest network isolation to protect internal confidential business data
7. Energy-Saving Green Technologies
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IEEE 802.3az Energy Efficient Ethernet (EEE): auto power reduction for idle Ethernet links
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Dynamic power tuning based on cable length to cut unnecessary power loss
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Port LED dimming or full shutdown mode for unmanned wiring closets
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Time-based PoE auto power on/off to eliminate idle power consumption after working hours
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Low-power fanless hardware design with minimal heat generation and extended service lifespan
8. Multi-Mode Local & Remote Management
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Intuitive graphical web management interface (HTTP/HTTPS) with basic & advanced operation modes
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Dual offline local console access: serial RJ45 + mini USB port for CLI configuration
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SSH secure remote command line management
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SNMP v1/v2c/v3 compatible with third-party network monitoring platforms
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TFTP / offline USB firmware upgrade, SNTP time synchronization, ping & traceroute diagnostic tools
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Single IP management for centralized batch control of multiple CBS250 series switches
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Fully compatible with Cisco Business Dashboard & Cisco Business Mobile App for unified topology visualization and one-click batch configuration
9. Physical & Environmental Parameters
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Operating Temperature: 0°C to 40°C; Storage Temperature: -20°C to 70°C
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Operating Humidity: 10%–90% non-condensing relative humidity
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Global compliance standards: CE, RoHS, UL, FCC Class A
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Warranty: Cisco Limited Lifetime Hardware Warranty
10. Typical Deployment Scenarios
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Large shopping mall full surveillance core switch with dozens of high-power PTZ 4K PoE IP cameras
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Campus-wide full Wi-Fi coverage network deploying mass Wi-Fi 6/6E PoE access points
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Large enterprise unified voice-data network with bulk PoE video VoIP desk phones
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Factory and industrial workshop centralized power supply for monitoring cameras and wireless APs
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School main distribution switch for classroom thin clients and multi-building fiber uplink aggregation
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Multi-department segmented large business network leveraging dual-stack Layer 3 static routing
11. Standard Package Contents
1 × Cisco CBS250-48FP-4G High-Power Full PoE+ Smart Gigabit Switch
1 × Global standard AC power cord
Rack mounting brackets and installation screws
Quick Start Guide & global regulatory compliance documents
Short Commercial Version (For Product Ads & Listing Titles)
The Cisco CBS250-48FP-4G is a high-density full PoE+ 48-port Gigabit smart managed switch equipped with a 370W full PoE budget and 4 dedicated Gigabit SFP fiber uplink ports. Featuring dual-stack IPv4/IPv6 Layer 3 static routing, enterprise QoS, full multi-layer security and fanless silent design, it delivers wire-speed high-capacity data and full 30W per-port power for high-power IP cameras, Wi-Fi 6 APs and VoIP phones in large offices, shopping malls and campus core networks, supporting rack/wall/desktop deployment, energy-saving hardware and Cisco limited lifetime warranty.
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