Full English Official Description for C9300X-48HX-E

1. Product Overview

2. Port Hardware Specification

• Downlink Ports: 48 × Multigigabit RJ45 copper ports, IEEE 802.3bz compliant, auto-negotiable speeds: 100M / 1G / 2.5G / 5G / 10G BASE-T
• PoE Standard: IEEE 802.3bt Class 8 UPOE+ (UPOE++), maximum 90W power output per single port
• Uplink Expansion Slot: 1 rear modular uplink bay, compatible with hot-swappable uplink modules supporting 10G SFP+, 25G SFP28, 40G QSFP+, 100G QSFP28 transceivers
• Stacking Interface: Rear StackWise-1T dedicated stacking ports, up to 1 Tbps bidirectional stacking bandwidth across a stack of up to 8 switches
• Management Ports: 1 × RJ45 Console port, 1 × USB Type-A console port, 1 × 1G out-of-band management Ethernet port, 1 × USB storage port for offline image upgrade

3. Core Performance Parameters

• Switching Capacity: 2000 Gbps full-duplex per standalone unit; up to 3000 Gbps aggregated stack bandwidth
• Forwarding Rate: 1488 Mpps (standalone); 2232 Mpps stack forwarding throughput
• MAC Address Table: 32,000 MAC address entries
• IPv4/IPv6 Routing Table: 32,000 route entries
• Multicast Table: 16,000 multicast group entries
• Buffer Memory: 16MB shared packet buffer for congestion control and high-burst traffic

4. Power & Thermal Architecture

• Power Supply Configuration: Supports 1 or 2 hot-swappable Platinum-efficiency AC/DC power supplies with OIR (Online Insertion and Removal); standard factory configuration ships with single 1100W AC PSU (PWR-C1-1100WAC-P)
• Total UPOE+ PoE Budget: 590W with single 1100W PSU; expandable to maximum 2880W PoE budget with dual high-wattage PSUs
• Cooling System: 3 field-replaceable hot-swappable fans with N+1 redundant design, variable speed control for low acoustic noise
• Input Voltage: 100–240V AC, 50/60Hz universal mains input

5. Stacking & Power Sharing Technology

• StackWise-1T: Industry-leading 1 Terabit per second stacking backplane, sub-50ms stack failover convergence
• StackPower: Cross-switch power pooling across the entire stack, dynamic power load balancing and redundant power backup for PoE terminals
• Mixed Stack Compatibility: Inter-stackable with all Catalyst 9300 and 9300X series switches, unified single logical management domain

6. Enterprise Security Capabilities (Hardware-Accelerated)

• MACsec 256-bit AES link encryption on all copper downlinks and fiber uplinks
• Encrypted Traffic Analytics (ETA) for hidden malware detection over ciphered flows
• Trustworthy Systems secure boot, runtime integrity verification, image authenticity validation
• IEEE 802.1X, MAB, WebAuth multi-factor endpoint authentication
• Dynamic ARP Inspection (DAI), DHCP Snooping, IP Source Guard, BPDU Guard, Storm Control
• Role-Based Access Control (RBAC), encrypted management transport (SSH, HTTPS, SNMPv3)

7. Layer 2 & Layer 3 Routing Protocols

Layer 2 Features

Layer 3 Routing Protocols

8. Software & Management Ecosystem

• Operating System: Cisco IOS XE 17.x universal image
• Prelicensed Package: Cisco DNA Network Essentials
• Management Interfaces: CLI, WebUI, Cisco Catalyst Center (DNA Center), Cisco Prime Infrastructure, Zero-Touch Provisioning (ZTP), RESTCONF/NETCONF/YANG programmable APIs, on-box Python guest shell
• Container Application Hosting: Supports docker-based application hosting for local analytics and automation workloads (requires DNA Advantage upgrade)
• Telemetry: Streaming telemetry, full AVC NBAR2 application visibility, packet capture mirroring

9. Physical & Environmental Specs

• Form Factor: 1 Rack Unit (1RU) rack-mount chassis
• Dimensions: 445 mm (W) × 483 mm (D) × 44 mm (H)
• Unit Weight: 6.62 kg (14.59 lbs) without power supplies
• Operating Temperature: 0 °C to 45 °C ambient
• Storage Temperature: -40 °C to 70 °C
• Operating Humidity: 5% to 90% non-condensing
• MTBF Rating: 185,420 hours under standard operating conditions

10. Primary Deployment Scenarios

1. High-density enterprise campus wired access with Wi-Fi 6/6E/7 high-power APs
2. Enterprise aggregation layer for floor access switch stacking
3. IP video surveillance deployments with multi-camera UPOE++ power supply
4. Smart building IoT terminal aggregation (POS terminals, lighting controllers, industrial sensors)
5. Medium-scale data center top-of-rack leaf switching with 10G copper server connectivity

11. Model Naming Breakdown

• C9300X: Catalyst 9300X high-bandwidth stacking sub-series (StackWise-1T)
• 48HX: 48-port Multigigabit 10G BASE-T UPOE+ copper model
• E: Pre-installed Cisco DNA Network Essentials license tier

Note: C9300-48HX-E is a common shorthand reference; the full official Cisco part number is C9300X-48HX-E as documented on Cisco global datasheets and ordering guides.