Full Official English Description – Cisco Catalyst C9300-48S-A

1. Product Overview

2. Port Hardware Specifications

• Downlink Ports: 48 × 1G SFP fiber slots, compatible with 1000BASE-SX, LX, ZX, BiDi, and CWDM SFP transceivers for multi-mode and single-mode fiber links
• PoE Support: No PoE power supply circuitry (zero PoE budget)
• Rear Modular Uplink Bay: 1 hot-swappable network module slot, supporting uplink modules with SFP+, SFP28, QSFP+ interfaces for 10G / 25G / 40G fiber uplinks
• Stacking Interfaces: Dedicated rear StackWise-480 stacking ports, 480 Gbps bidirectional stacking bandwidth; supports up to 8 switches grouped into one logical stack
• Management Interfaces:
  1 × RJ45 serial console port, 1 × USB Type-A console port
  1 × 1G out-of-band management Ethernet port
  1 × USB storage port for offline firmware upgrade, log export and config backup

3. Switching & Forwarding Performance

• Standalone Switching Capacity: 256 Gbps full-duplex
• Standalone Forwarding Rate: 190.47 Mpps line-rate forwarding
• MAC Address Table: 32,000 MAC address entries
• IPv4 Routing Table: 32,000 route entries
• IPv6 Routing Table: 16,000 route entries
• Multicast Table: 8,000 multicast group entries
• Shared Packet Buffer: 16MB shared hardware buffer for burst traffic absorption
• Hardware ACL Scale: 5,120 ingress + 5,120 egress ACL rules

4. Power & Thermal Architecture

• Power Supply Form Factor: 1 or 2 hot-swappable Platinum-efficiency AC power supplies with OIR (Online Insertion and Removal); factory default ships with single 715W AC PSU (PWR-C1-715WAC-P)
• StackPower: Cross-stack power resource pooling across stack members for N+1 power redundancy
• Cooling System: 3 field-replaceable variable-speed hot-swap fans with redundant cooling design, low acoustic noise for data center and office rack deployment
• Input Voltage: Universal 100–240V AC, 50/60Hz mains input
• Typical Power Consumption: 103W under standard load

5. Stacking & High Availability Technology

• StackWise-480: 480 Gbps stacking backplane, sub-50ms convergence during stack member hardware failure
• SSO/NSF: Stateful Switchover and Nonstop Forwarding for uninterrupted traffic during supervisor failover within the stack
• Mixed Stack Compatibility: Fully inter-stackable with all other Catalyst 9300 series switches (T/P/U/H/S fiber/copper models), unified single logical management domain

6. Hardware-Accelerated Enterprise Security (Full Feature Set via Network Advantage)

• MACsec 256-bit AES link encryption supported on all fiber downlinks and uplink ports
• Encrypted Traffic Analytics (ETA) for detection of hidden malware within encrypted flows
• Trustworthy Systems secure boot, runtime integrity verification and digital image authentication
• TrustSec SGT group-based microsegmentation for SD-Access fabric policy enforcement
• Endpoint Authentication Suite: IEEE 802.1X, MAB, captive WebAuth multi-factor access control
• Layer 2 Threat Mitigation: DAI, DHCP Snooping, IP Source Guard, BPDU Guard, broadcast/multicast storm control
• Secure Management: SSH, HTTPS, SNMPv3, encrypted NETCONF/YANG transport

7. Layer 2 & Layer 3 Protocol Support

Layer 2 Features

Layer 3 Routing Protocols (Full Advanced Suite Unlocked by -A License)

8. Software & Cisco DNA Licensing Ecosystem

• Operating System: Cisco IOS XE universal switch image
• Preinstalled Perpetual License Tier: Cisco DNA Network Advantage
  Unlocks complete feature portfolio: SD-Access fabric, ETA, TrustSec segmentation, full BGP/PBR routing, containerized application hosting, ThousandEyes synthetic monitoring, advanced streaming telemetry and full Layer 3 protocol suite
• Supported Management Interfaces:
  Local CLI via console/SSH, embedded web UI, Cisco Catalyst Center (DNA Center), Cisco Prime Infrastructure, Zero-Touch Provisioning (ZTP)
• Programmability: RESTCONF, NETCONF/YANG streaming telemetry, on-box Python guest shell, container application hosting for local automation workloads

9. Physical & Environmental Specifications

• Form Factor: 1 Rack Unit (1RU) standard 19-inch EIA rack-mount chassis
• External Dimensions: 445 mm (W) × 488 mm (D) × 44 mm (H) / 17.5 × 19.2 × 1.73 inches
• Chassis Weight (single PSU installed): 7.66 kg (16.89 lbs)
• Operating Ambient Temperature: 0°C ~ +40°C
• Storage Temperature: -40°C ~ +70°C
• Operating Humidity: 5% – 90% non-condensing
• MTBF Rating: 178,600 hours under standard factory operating conditions
• Compliance Certifications: UL, CSA, CE, FCC Class A, ICES-003, RoHS, TAA compliant

10. Model Naming Breakdown

• C9300: Base Catalyst 9300 stackable enterprise switching platform
• 48S: 48-port 1G SFP fiber non-PoE chassis
• A: Pre-activated Cisco DNA Network Advantage perpetual license tier

11. Typical Deployment Scenarios

1. Enterprise campus distribution/aggregation layer with long-distance fiber inter-building cabling
2. Fiber-to-the-desk office networks and EMI-isolated industrial site access
3. Data center leaf switching for server/storage connectivity via gigabit fiber
4. Large-scale IP surveillance backbone aggregation without PoE power demand
5. SD-Access fabric border and intermediate node deployments requiring full advanced routing

Key Distinction Note

• -A (Network Advantage): Full advanced routing, ETA, TrustSec, SD-Access fabric and container hosting features
• -E (Network Essentials): Baseline Layer 2/Light Layer 3 feature set without BGP, PBR, ETA or TrustSec segmentation