Cisco Catalyst C1000-48T-4G-L Full English Product Description

1. Product Overview

2. Hardware Port Specifications

• Downlink Ports: 48 × auto-sensing 10/100/1000BASE-T RJ45 copper ports, fully non-PoE, compatible with Cat5e/Cat6 cabling
• Uplink Interfaces: 4 × dedicated 1G SFP fiber slots, compatible with all standard 1G SFP transceivers for long-distance inter-switch fiber uplink to core aggregation switches
• Management Interfaces: Front RJ45 serial console, USB-A storage port, built-in Bluetooth 4.0 for cable-free wireless CLI login
• LED Indicators: Independent status LEDs for system operation, port link/activity and transmission speed identification
• Hardware Reset Button: One-touch instant device reboot and full factory configuration restoration
• Cooling Architecture: Fanless passive heat sink design with zero operational noise, eliminates fan hum for quiet indoor environments
• Power Key Note: Integrated internal universal AC power supply (no "-E" suffix); zero PoE power budget for all copper data ports

3. Core Performance Parameters

• Switching Capacity: 104 Gbps non-blocking wire-speed switching
• 64-byte Packet Forwarding Rate: 77.38 Mpps
• Processor: ARM v7 800 MHz embedded CPUCisco
• System Memory: 512 MB DDR4 DRAM, 256 MB Flash storageCisco
• MAC Address Table Capacity: 16,000 MAC entries
• Jumbo Frame Support: Up to 10,240 bytes for large video and file transmission
• Max Power Consumption: 32 VA
• Idle Standby Power Draw: ~16 VA
• Input Power: Built-in internal universal PSU, input range 100–240 V AC, 50/60 Hz

4. Physical & Environmental Specifications

• Form Factor: Standard 1RU full-width rack-mount metal chassis, desktop placement optional
• Dimensions (W × D × H): 445 mm × 240 mm × 44 mm (17.5 × 9.45 × 1.73 inches)
• Net Weight: 1.79 kg (3.95 lb)Cisco
• Operating Temperature Range: 0 °C to 50 °C (32 °F to 122 °F), certified for out-of-wiring-closet deploymentCisco
• Storage Temperature Range: -25 °C to 70 °C (-13 °F to 158 °F)
• Relative Humidity: 10%–90% non-condensing humidity for operation and storage
• Compliance Certifications: CE, FCC, UL, RoHS compliant; Cisco limited lifetime hardware warranty with advance replacement service

5. Complete Layer 2 Switching Functions

• IEEE 802.1Q VLAN, supports up to 4094 VLAN IDs, Voice VLAN and Guest VLAN logical traffic segmentation
• Full spanning tree protocol suite: STP, RSTP, MSTP, PVST+, Rapid PVST+; BPDU Guard, Root Guard to eliminate Layer 2 broadcast loops
• Link Aggregation: IEEE 802.3ad LACP + static LAG groups for uplink bandwidth aggregation
• Multicast Optimization: IGMP Snooping v1/v2/v3 to reduce bandwidth waste for IPTV and mass surveillance video streams
• Auxiliary L2 Management Tools: SPAN port mirroring, cable diagnostics, port isolation, broadcast/multicast/unicast storm control, automatic port power saving on link down

6. Enterprise Network Security Suite

• 802.1X port-based authentication, MAC authentication, RADIUS/TACACS+ remote identity verification
• Port Security with configurable MAC address quantity limits to block unauthorized unknown terminals
• IPv4 Access Control Lists for precise inbound/outbound traffic filtering
• Encrypted management channels: SSHv2, HTTPS, SNMPv3; plain-text Telnet disabled by factory default
• Anti-spoofing protection: Dynamic ARP Inspection, IP Source Guard, DHCP Snooping
• Firmware integrity verification and encrypted configuration file storage to prevent network tampering

7. QoS Intelligent Traffic Prioritization

• 4 independent hardware priority queues per physical port
• Full 802.1p CoS classification and DSCP marking remapping
• Port-based ingress/egress bandwidth rate limiting and traffic shaping
• Dedicated high-priority queue for VoIP voice and real-time surveillance video to minimize latency and jitter

8. Multi-Mode Management & Deployment

• Local Management: Intuitive web-based graphical UI, text CLI accessible via RJ45 console, USB-A flash drive or Bluetooth wireless connection
• Firmware & Configuration Management: Multi-channel upgrade via USB-A flash drive, TFTP, HTTP/HTTPS; one-click bulk configuration backup & restore
• Network Monitoring Tools: SNMPv3, NTP time synchronization, sFlow traffic sampling
• Zero-touch provisioning (ZTP) supported for simplified bulk deployment across multi-site branch networks
• Standalone operation only; no hardware stacking capability (stack function exclusive to "-4X-L" 10G uplink variants)

9. Typical Application Scenarios

• High-density office non-PoE access layer for bulk staff PCs, printers and office fixed terminals
• School campus main computer labs, libraries and quiet education environments with fanless silent operation
• Chain retail headquarters and shopping mall non-PoE workstation & NAS storage interconnection
• Remote branch main access aggregation requiring multiple independent 1G fiber uplink connections
• Small server room auxiliary data interconnection for non-powered wireless access points
• Distributed IoT sensor aggregation deployed outside centralized wiring closets without PoE power demand

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