Full English Description for Cisco C1200-48P-4G
1. Part Number Naming Breakdown
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C1200: Cisco Catalyst 1200 series managed Gigabit Ethernet switch platform built for SMB, branch office, retail and small campus unified voice-data-video networks
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48: 48× 10/100/1000BASE-T RJ45 PoE-capable access downlink ports
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P: Standard PoE+ compliant ports supporting IEEE 802.3af / 802.3at, integrated total PoE power budget of 375W
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4G: Four independent dedicated Gigabit SFP fiber uplink slots (pure fiber non-combo ports without shared RJ45 interface)
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Form factor: 1U rack-mount single-fan compact cooling chassis; Software stack: Full enterprise Layer 2 feature suite + static IPv4 inter-VLAN Layer 3 routing
2. Short Sales One-Liner (For BOM, Quotation & Datasheet Header)
Cisco Catalyst C1200-48P-4G, 1U rack-mount PoE+ managed Gigabit switch with 48×802.3af/at PoE+ RJ45 access ports (375W total PoE budget) and 4× dedicated Gigabit SFP fiber uplink slots, 104 Gbps full non-blocking switching capacity, 77.38 Mpps wire-rate forwarding, complete enterprise Layer 2 feature set plus static Layer 3 inter-VLAN routing, voice/video optimized multi-queue QoS, multilayer network security, encrypted multi-mode management and wide-temperature operation, purpose-built for high-density SMB access layers, large retail surveillance deployments, enterprise VoIP telephony, mass Wi-Fi AP rollouts and multi-building branch networks requiring PoE power delivery plus abundant redundant fiber uplink scalability.
3. Complete Product Overview Paragraph
The Cisco Catalyst C1200-48P-4G is a high-density rack-mount PoE+ managed Gigabit access switch within the Catalyst 1200 SMB switching portfolio, engineered to power large fleets of PoE-enabled IP desk phones, Wi-Fi wireless access points, fixed and PTZ surveillance cameras, and video conference endpoints without external power injectors. Equipped with a shared 375W PoE power pool across all 48 copper ports, paired with four exclusive independent SFP fiber uplink slots, it delivers multiple redundant long-distance inter-building or cross-floor fiber connections to core network switches for enhanced fault tolerance and fabric expansion compared to 2-uplink compact models.
Constructed with an all-metal 1U rack-mount chassis and single low-noise variable-speed fan cooling design, the unit balances thermal performance and low acoustic noise for deployment in wiring closets, retail backrooms and office equipment racks. It achieves full wire-rate non-blocking performance across all 52 physical ports (48 PoE access ports + 4 dedicated SFP uplink ports), auto-negotiating 10/100/1000 Mbps transmission speeds over Cat5e, Cat6 and Cat6a twisted pair cabling with a maximum 100-meter copper cable reach. Two dedicated management interfaces are integrated: traditional RJ45 serial console and front-panel USB Type-C console for convenient direct laptop local configuration, paired with multi-color front-panel LEDs indicating system health, port link status, data activity, real-time PoE power load and hardware fault alarms.
Powered by a Linux-based dual-core 1.4 GHz ARM processor with 1GB DDR4 DRAM and 512MB onboard flash storage, the switch carries a full enterprise-grade feature stack beyond consumer-grade smart switches: comprehensive VLAN segmentation, multi-queue low-latency QoS prioritization optimized for VoIP and HD surveillance video, complete spanning tree loop prevention, LACP link aggregation, robust DDoS and ARP flood attack defense, and multiple encrypted remote management channels including HTTPS web GUI, SSHv2 and SNMPv3. Native static Layer 3 inter-VLAN routing enables simple segmented office networking without standalone routers, cutting extra hardware costs for large multi-department mid-size environments. Configurable PoE port priority automatically throttles low-priority PoE loads under power overload to safeguard critical business devices. IEEE 802.3az Energy Efficient Ethernet reduces idle port power consumption, while LLDP/LLDP-MED enables zero-touch automatic discovery and provisioning of PoE VoIP, camera and wireless endpoints.
A wide operating temperature window of 0°C to 45°C supports deployment in standard ventilated equipment enclosures and remote unmanned branch sites. Firmware upgrades and full configuration backup/restore can be completed via TFTP or web upload without network downtime, and a physical hardware reset button provides one-click restoration to factory default settings for fast site redeployment during network refresh cycles.
4. Detailed Hardware Interface & Physical Specifications
Front Panel Port Layout
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48 × 10/100/1000BASE-T auto-sensing RJ45 PoE+ ports (IEEE 802.3af 15.4W / 802.3at PoE+ 30W per port)
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4 × independent dedicated Gigabit SFP uplink slots (pure fiber, no shared RJ45 combo interface)
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Dual management console ports: RJ45 serial console + front-panel USB Type-C console
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Hardware factory reset push button
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Multi-color LED array: system power indicator, per-port link/activity, real-time PoE power status, fault warning lights
PoE Power Specifications
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Total integrated PoE power budget: 375W
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Per-port power modes: IEEE 802.3af (Class 0–3, max 15.4W), IEEE 802.3at PoE+ (Class 4, max 30W)
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PoE management: User-defined high/low port priority for overload protection, scheduled PoE power on/off for off-hours energy saving
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Deployment flexibility: Supports mixed deployment of low-power IP phones and high-power PTZ cameras/Wi-Fi 6 APs under total 375W power ceiling
Core Performance Benchmarks
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Total full-duplex non-blocking switching capacity: 104 GbpsCisco
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64-byte packet wire-rate forwarding rate: 77.38 MppsCisco
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MAC address table capacity: 8,000 MAC address entries
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Maximum simultaneous active VLANs: 255 (VLAN ID range 1–4094)
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LACP link aggregation: Up to 8 LAG groups, maximum 8 ports per trunk
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Shared dynamic packet buffer memory: 3 MB
Supported SFP Fiber Transceivers (4 Dedicated Uplink Slots)
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Multimode short-reach fiber: GLC-SX-MMD, MGBSX1
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Single-mode long-reach fiber: GLC-LH-SMD, MGBLH1 (up to 40km transmission distance)
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Gigabit copper SFP module: MGBT1 for copper uplink fallback
Mechanical & Environmental Parameters
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Form factor: Standard 1U 19-inch rack-mount metal chassis, wall-mount bracket compatible
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Physical dimensions (W × D × H): 445 mm × 350 mm × 44 mm (17.5 × 13.78 × 1.73 in)
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Unit weight: 5.43 kg (11.97 lb)
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Cooling architecture: Single variable-speed fan with low noise operation
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Operating temperature range: 0°C to 45°C (32°F to 113°F)
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Storage temperature range: -25°C to 70°C (-13°F to 158°F)
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Relative humidity: 10%–90% non-condensing
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MTBF @ 25°C ambient temperature: Over 1,800,000 hours
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Internal power supply: Universal built-in AC 100–240V 50/60Hz integrated high-wattage PSU
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Copper cabling maximum transmission distance: 100 meters for all RJ45 ports
Global Compliance Certifications
UL 62368 safety certification, CSA 22.2, CE marking, FCC Part 15 Class A industrial EMC compliance
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Limited lifetime hardware warranty with free lifetime firmware updates
5. Core Software Feature Suite
Layer 2 Switching Functions
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IEEE 802.1D STP, default-enabled 802.1w RSTP, 802.1s MSTP (8 instances), PVST+/RPVST+Cisco
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802.1Q tagged VLAN, voice VLAN, guest VLAN, private VLAN edge, Auto Surveillance VLAN (ASV)
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Static & dynamic IEEE 802.3ad LACP link aggregation, trunk failover protection
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IGMP Snooping v1/v2/v3 (supports up to 255 multicast groups for IPTV and HD video surveillance streams)
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Local SPAN port mirroring, virtual cable test for twisted pair wiring fault diagnosis
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IEEE 802.3az Energy Efficient Ethernet idle port power reduction
Layer 3 Routing Capabilities
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Static inter-VLAN routing, default static IPv4 route, host-specific static routing entries
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Integrated DHCP server, DHCP snooping, DHCP relay agent for local LAN IP address allocation
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No dynamic routing protocols (OSPF, EIGRP, BGP) supported
QoS Traffic Prioritization
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8 hardware priority queues per port, 802.1p CoS classification, DSCP marking & remarking
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Per-port ingress/egress bandwidth rate limiting, broadcast/multicast/unicast storm suppression
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Optimized low-latency queue scheduling for PoE VoIP phones, PTZ surveillance cameras and Wi-Fi access point backhaul traffic
Enterprise Network Security Features
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IEEE 802.1X port-based authentication with full RADIUS AAA server integration
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Port security, sticky static MAC binding, configurable MAC address learning lockdown limits
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Layer 2 access control lists, ARP flood & DDoS attack suppression, control plane CPU protection policy
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Encrypted management only: SSHv2, HTTPS; plaintext Telnet fully disableable
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Port isolation, blackhole MAC filtering, multi-tier administrative password permission control
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LLDP-MED for automated PoE endpoint discovery and zero-touch provisioning
Multi-Access Network Management
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Encrypted web-based graphical management GUI (HTTPS)
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Dual CLI console access: RJ45 serial console + front-panel USB Type-C direct console
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Remote management protocols: Telnet, SSH v2, SNMP v1/v2c/v3, RMON 1/2/3/9
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System logging: Local flash storage + remote syslog server log forwarding
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Firmware upgrade via TFTP or web file upload, full configuration backup & restore
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Compatibility with Cisco Catalyst mobile app and Cisco Business Dashboard cloud remote monitoring platform
6. Typical Deployment Use Cases
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High-density SME rack access layer switch powering mass PoE Wi-Fi APs, IP desk phones and multi-camera surveillance arrays, with four independent SFP fiber uplinks for redundant multi-path connections to core data center switches
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Large remote branch office wiring closet switch for full PoE VoIP and enterprise security camera deployments, utilizing multiple single-mode SFP fiber links for redundant long-distance backhaul to headquarters
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Mid-to-large retail store network aggregation for dozens of PoE POS displays, multi-PTZ surveillance systems and guest wireless access points
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Multi-building small campus main access layer, deploying multiple dedicated pure fiber uplinks between separate office buildings for network fault tolerance
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Large training campuses, multi-floor office buildings and conference facilities requiring high PoE port density and redundant fiber uplink interconnections
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Aggregation rack switch for medium/large business server rooms with heavy mixed PoE voice, video and wireless workloads, requiring four exclusive pure fiber uplinks for fabric scalability and link redundancy
7. Datasheet Short Summary Paragraph
The Cisco Catalyst C1200-48P-4G is a low-noise fan-equipped 1U rack-mount standard PoE+ managed Gigabit business switch equipped with 48×IEEE 802.3af/at PoE+ RJ45 access ports (375W total PoE power budget) and four independent dedicated Gigabit SFP fiber uplink slots, delivering 104 Gbps non-blocking switching capacity and 77.38 Mpps wire-rate forwarding. It provides a complete enterprise Layer 2 feature set plus static Layer 3 inter-VLAN routing, configurable PoE priority scheduling, enterprise-grade VLAN, QoS, AAA security and multi-mode encrypted management functions, with wide-temperature variable-speed fan cooling and abundant fiber uplink redundancy. Designed for high-density PoE workloads without full simultaneous 30W per-port power demand, this model serves as a mass PoE access layer aggregation switch for small/medium businesses, large remote branches and retail networks deploying volumes of IP phones, surveillance cameras and wireless APs alongside multiple redundant long-distance fiber interconnections to core infrastructure.
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