Full English Description for Cisco C1200-48T-4G
1. Part Number Naming Breakdown
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C1200: Cisco Catalyst 1200 series managed Gigabit Ethernet switch platform for SMB, branch office, small campus and retail networking environmentsCisco
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48: 48× non-PoE 10/100/1000BASE-T RJ45 copper access downlink ports
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T: Non-PoE RJ45 copper ports without integrated PoE power supply
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4G: Four independent dedicated Gigabit SFP fiber uplink slots (pure fiber non-combo ports with no shared RJ45 interface)
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Form factor: 1U rack-mount fanless passive 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 C1200-48T-4G, fanless 1U rack-mount non-PoE managed Gigabit switch with 48×10/100/1000 RJ45 copper access ports 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, multi-layer security, voice/video optimized multi-queue QoS, encrypted multi-mode management and wide-temperature silent passive cooling, purpose-built for high-density SMB access layers, large remote branch offices, multi-building small campus aggregation and workgroup deployments requiring abundant redundant fiber uplink scalability without PoE endpoint power deliveryCisco.
3. Complete Product Overview Paragraph
The Cisco Catalyst C1200-48T-4G is a high-density rack-mount fanless non-PoE managed Gigabit access switch within the Catalyst 1200 SMB switching portfolio, engineered to aggregate large fleets of PCs, servers, non-PoE wireless APs, POS terminals and desktop endpoints where PoE power is unnecessary. Equipped with four exclusive independent SFP fiber uplink slots, it delivers multiple redundant long-distance inter-building or cross-floor fiber links to core network switches, providing superior uplink fault tolerance and fabric expansion compared to 2-uplink compact models.
Constructed with an all-metal 1U rack-mount chassis and fully fanless passive heat sink cooling, the unit operates completely silently with zero moving mechanical components, delivering exceptional long-term reliability with extended MTBF ratings for unattended deployment in quiet wiring closets, office equipment racks and retail backrooms with limited ventilation. It achieves full wire-rate non-blocking performance across all 52 physical ports (48 copper access + 4 dedicated SFP uplink), 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 power, port link status, data activity 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 basic unmanaged switches: comprehensive VLAN segmentation, multi-queue low-latency QoS traffic 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, eliminating extra hardware costs for large multi-department mid-size environments. IEEE 802.3az Energy Efficient Ethernet (EEE) automatically reduces power consumption on idle copper ports to lower long-term operating expenses, while LLDP/LLDP-MED enables zero-touch automatic discovery and provisioning of IP phones, wireless APs and surveillance camerasCisco.
A wide operating temperature window of -5°C to 50°C supports deployment in poorly 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 copper access ports (non-PoE)
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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 health indicator, per-port link/activity LEDs, fault warning lights
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 × 288 mm × 44 mm (17.5 × 11.33 × 1.73 in)
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Unit weight: 3.95 kg (8.71 lb)
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Cooling architecture: Fully fanless passive heat dissipation, zero acoustic operating noise
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Operating temperature range: -5°C to 50°C (23°F to 122°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 2,000,000 hours
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Internal power supply: Universal built-in AC 100–240V 50/60Hz 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 software firmware updatesCisco
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 saving
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 VoIP phones and HD security camera video streams
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 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 platformCisco
6. Typical Deployment Use Cases
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High-density SME rack access layer switch connecting large volumes of PCs, servers and non-PoE wireless APs, 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 multi-department segmented workgroups, utilizing multiple single-mode SFP fiber links for redundant long-distance backhaul to headquarters
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Multi-building small campus main access layer aggregation, deploying multiple dedicated pure fiber uplinks between separate office buildings for network fault tolerance
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Mid-to-large retail store network aggregation for dozens of POS terminals and non-PoE surveillance equipment without PoE power requirements
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Multi-floor conference facilities, training campuses and office server closets requiring silent fanless operation and maximum copper port density
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Core aggregation expansion rack switch for medium/large business server rooms where four exclusive pure fiber uplinks are required for fabric scalability and link redundancy
7. Datasheet Short Summary Paragraph
The Cisco Catalyst C1200-48T-4G is a fanless 1U rack-mount non-PoE managed Gigabit business switch equipped with 48×10/100/1000 RJ45 copper access ports 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, dedicated voice/video QoS scheduling, multilayer network security and multiple encrypted management channels, with passive silent cooling and wide-temperature environmental adaptability. Designed for high-density copper deployments without PoE power demand and requiring abundant redundant fiber uplink expansion, this model serves as a maximum-density copper access layer aggregation switch for small/medium businesses, large remote branch offices and multi-building small campus networks connecting to core infrastructure via multiple long-distance fiber links.
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