Cisco Catalyst C1000-48P-4X-L Full English Product Description

1. Product Overview

2. Hardware Port Specifications

• Downlink Ports: 48 × auto-sensing 10/100/1000BASE-T RJ45 PoE+ ports, fully compliant with IEEE 802.3af (15.4W max per port) & IEEE 802.3at (30W max per port)
• Total PoE Power Budget: 370W, supports dynamic power distribution for mixed PoE voice terminals, wireless APs and basic surveillance cameras
• Uplink Interfaces: 4 × 10G SFP+ slots (marked "-4X-L"); dual-function ports for 10G fiber/DAC uplink to core switches or high-bandwidth horizontal stacking between C1000 4X-L series switchesCisco
• 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 health, port link/activity, transmission speed and real-time per-port PoE power consumption
• 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 AC power supply inside chassis (no "-E" suffix, non-external adapter design)

3. Core Performance Parameters

• Switching Capacity: 176 Gbps non-blocking wire-speed switching
• 64-byte Packet Forwarding Rate: 130.94 Mpps
• Processor: ARM v7 800 MHz embedded CPU
• System Memory: 512 MB DDR4 DRAM, 256 MB Flash storage
• MAC Address Table Capacity: 16,000 MAC entries
• Jumbo Frame Support: Up to 10,240 bytes for large 4K video and file transmission
• Max Full PoE Load Power Consumption: ~500 VA
• Idle Standby Power Draw: ~32 VA
• Input Power: Built-in internal universal PSU, input range 100–240 V AC, 50/60 Hz

4. Physical & Environmental Specifications

• Form Factor: Standard full-width 1RU rack-mount metal chassis, desktop placement optional
• Dimensions (W × D × H): 445 mm × 349 mm × 44 mm (17.5 × 13.74 × 1.73 inches), deep chassis to accommodate internal PoE power module
• Net Weight: 2.68 kg (5.91 lb)
• 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; cross-stack LAG fully supported for horizontally stacked C1000-4X-L switchesCisco
• Multicast Optimization: IGMP Snooping v1/v2/v3 to reduce bandwidth waste for IPTV and mass multi-camera 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. Exclusive Horizontal Hardware Stacking (4X-L Series Only)

• Supports stacking up to 8 Catalyst 1000 4X-L model switches via SFP+ uplink ports
• Unified single-IP management for the entire stack, simplifies bulk configuration, firmware upgrade and real-time cross-unit monitoring
• Hot-swappable stack member support with fast traffic failover during member replacement
• Higher inter-switch bandwidth compared to 1G uplink C1000-4G-L variants for scalable multi-unit workgroup expansion

7. Intelligent PoE Power Management

• Per-port PoE priority scheduling to reserve stable power for critical voice and surveillance devices under power overload conditions
• Custom PoE time schedule to automatically cut power for off-hours terminals and lower overall energy consumption
• Real-time single-port & total PoE power statistics monitoring via Web GUI and CLI console
• Multi-layer hardware protection: Short-circuit, over-current, over-voltage and over-voltage safeguards for all 48 PoE RJ45 ports
• Perpetual PoE function retains continuous power delivery during switch reload to avoid outage of mission-critical PoE endpointsCisco

8. 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

9. 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

10. 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
• Centralized Enterprise Management: Compatible with Cisco DNA Center for enterprise-wide unified monitoring and configuration push
• Firmware & Configuration Management: Multi-channel upgrade via USB-A flash drive, TFTP, HTTP/HTTPS; one-click bulk configuration backup & restore for single switch or full stack
• Network Monitoring Tools: SNMPv3, NTP time synchronization, sFlow traffic sampling
• Zero-touch provisioning (ZTP) supported for simplified bulk deployment across multi-site branch networks

11. Typical Application Scenarios

• High-density office PoE access layer with VoIP phones and low-power Wi-Fi 5/6 wireless APs
• Chain retail headquarters and shopping mall PoE workstation & entry-level IP camera deployment
• Multi-switch stacked PoE workgroups requiring single unified IP management and scalable port expansion
• School campus main labs and quiet education environments with fanless silent operation
• Medium-sized satellite branch main wiring closet PoE aggregation with future-proof 10G fiber uplink
• Small integrated voice & surveillance networks without mass high-power PTZ camera load requirements

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