Full English Description for Cisco C9300X-48H-A

1. Part Number Naming Breakdown

Model: C9300X-48H-A

• C9300X: High-performance stackable Layer 3 multigigabit enterprise access switch hardware platform built on crypto-accelerated UADP 2.0sec ASIC, supporting StackWise-1T 1 Terabit stacking bandwidth, dual hot-swappable power supplies, StackPower cross-stack power pooling and one hot-swappable C9300X-NM modular uplink slot with hardware line-rate 100G IPsec encryption acceleration.
• 48H: 48 fixed multigigabit RJ45 downlink ports auto-negotiating 100M/1G/2.5G/5G/10G, supporting Cisco UPOE+ (IEEE 802.3bt 4PPoE, max 90W per port), backward compatible with IEEE 802.3af PoE (15.4W) and IEEE 802.3at PoE+ (30W). Equipped with a default 1100W AC platinum-efficiency PSU, standalone total UPOE+ power budget up to 590W, designed for Wi-Fi 6/7 high-density wireless APs, high-end PTZ surveillance cameras, large-format digital signage, industrial thin clients and power-hungry IoT terminals requiring maximum 90W high-wattage power delivery over existing Cat5e/Cat6 cabling.
• A: Perpetual Network Advantage IOS XE on-prem license tier. Fully unlocks complete premium enterprise feature stack including unrestricted advanced routing, TrustSec zero-trust micro-segmentation, 256-bit AES MACsec, Encrypted Traffic Analytics (ETA), full unsampled streaming telemetry and end-to-end SD‑Access fabric orchestration.

2. Short Sales One-Liner (For BOM, Quotation & Datasheet Header)

Cisco Catalyst C9300X-48H-A, 1RU rack-mount stackable Layer3 48-port full 10G multigigabit UPOE+ enterprise access switch, 48-port 100M/1/2.5/5/10G RJ45 UPOE+/PoE+/PoE downlinks with one modular high-speed uplink expansion slot, pre-installed permanent Network Advantage IOS XE license, StackWise-1T 1Tbps stacking and StackPower cross-stack power pooling supported, factory-shipped single 1100W AC UPOE+ power supply, managed via local CLI and full Cisco Catalyst Center for high-speed Wi-Fi 7 AP, 4K PTZ camera and industrial digital signage access deployments requiring unrestricted advanced Layer 3 routing, security and analytics capabilities.

3. Complete Product Overview Paragraph

The Cisco Catalyst C9300X-48H-A is a fixed-form-factor dense 48-port full 10G multigigabit UPOE+ stackable Layer 3 enterprise access switch within the Catalyst 9300X series, purpose-built for modern high-speed office, retail, classroom, smart building and industrial wired deployments that demand universal 10G multigigabit bandwidth and maximum 90W UPOE+ power delivery to next-generation wireless access points, high-end PTZ surveillance cameras, large-format digital signage and power-intensive industrial IoT terminals without feature limitations of entry license tiers. Equipped with 48 uniform full multigigabit UPOE+-capable RJ45 downlink ports supporting 100Mbps up to 10Gbps and up to 90W per port via four-pair power delivery, the chassis integrates one dedicated hot-swappable C9300X-NM modular uplink slot to flexibly deploy 10G/25G/40G/100G high-speed optical uplink modules for elastic bandwidth scaling to aggregation and core switching layers. Powered by UADP 2.0sec crypto ASIC with hardware acceleration for line-rate 100G IPsec tunnels, this model runs full native IOS XE 17.x software with permanent Network Advantage license, enabling the full suite of enterprise routing, security, automation and telemetry functions locked on Network Essentials (-E) hardware variants. It leverages StackWise-1T hardware stacking to combine up to 8 identical C9300X switches into a single unified logical switching fabric with 1 Tbps aggregate stacking bandwidth, delivering sub-50ms fast stack failover convergence for carrier-class network reliability. Native StackPower technology dynamically aggregates power supplies across the entire stack for shared UPOE+ power pooling, power redundancy and automatic load redistribution during hardware failure events. Dual hot-swappable AC power supply slots and field-replaceable variable-speed fan trays eliminate single points of hardware failure. The switch supports full on-premises management via console CLI, SNMPv3 or complete Cisco Catalyst Center (DNA Center) SD-Access integration, with native zero-touch provisioning, full unsampled streaming telemetry and end-to-end TrustSec zero-trust segmentation designed for large hybrid enterprise campus wired multigigabit UPOE+ access infrastructures.

4. Detailed Hardware Interface Specifications

Downlink Copper Ports (48 × Full Multigigabit UPOE+ RJ45)

• 48 RJ45 multigigabit ports auto-negotiating 100BASE-T / 1000BASE-T / 2.5GBASE-T / 5GBASE-T / 10GBASE-T, fully compliant with IEEE 802.3af PoE (15.4W), IEEE 802.3at PoE+ (30W) and Cisco UPOE+ (IEEE 802.3bt 4PPoE, proprietary four-pair power delivery up to 90W per port via Cat5e/Cat6 cabling).
• All 48 ports support full 10G multigigabit speed without mixed-speed port segmentation, compatible with standard Cat5e/Cat6 cabling to deliver both multigigabit bandwidth and high-wattage PoE without cable replacement.
• Default 1100W AC platinum-efficiency PSU delivers standalone total UPOE+ budget up to 590W; dual redundant PSUs expand total UPOE+ capacity via cross-stack StackPower sharing.

Modular Uplink Expansion Slot

• 1 dedicated hot-swappable C9300X-NM network module slot, compatible with optional high-speed uplink modules:
  • C9300X-NM-8Y: 8 × SFP28 (10G / 25G)
  • C9300X-NM-4C: 4 × QSFP+ (40G)
  • C9300X-NM-2C: 2 × QSFP28 (100G)

Stacking Interfaces

• Dual rear dedicated StackWise-1T stacking ports, total 1 Tbps aggregate stacking bandwidth per stack group; supports ring topology with sub-50ms stack failover convergence, maximum 8 switches per stack.

Management & Auxiliary Ports

• USB 2.0 Type-A storage port for offline firmware upgrades and configuration backup.
• Mini-USB Type-B console port for local out-of-band CLI access.
• Independent 1G RJ45 out-of-band management port (data-only, no PoE).
• LED status indicators for each multigigabit RJ45 port link/activity, real-time UPOE+ power allocation status, power supply health, fan status, stack status and system fault alarms.

Power & Physical Form Factor

• Form Factor: 1RU standard 19-inch rack-mount chassis, dimensions 4.4 × 445 × 522 mm.
• Dual hot-swappable redundant AC power supply slots; factory-shipped with single 1100W AC UPOE+ platinum PSU (efficiency >90%).
• StackPower cross-stack power sharing supported to pool UPOE+ wattage across stacked switches for higher total power capacity and redundancy.
• Thermal system: 3 field-replaceable redundant variable-speed fan trays with front-to-back airflow.
• Environmental compliance: Operating temperature range -5°C ~ 45°C, ENERGY STAR certified, fully compliant with IEEE 802.3 Ethernet multigigabit, PoE, PoE+ and IEEE 802.3bt UPOE+ standards.

5. Core Hardware Performance Benchmarks

• Standalone Switching Capacity: 2000 Gbps (2 Tbps)
• Standalone Forwarding Rate: 1488 Mpps
• MAC Address Table Size: 32,000 MAC forwarding entries
• VLAN Support: Up to 4,094 IEEE 802.1Q tagged VLANs, unlimited SVIs with Network Advantage license.
• QoS Hardware Queues: 8 priority hardware queues per physical port, full DSCP & 802.1p marking and hierarchical traffic scheduling optimized for multigigabit wireless backhaul, 4K video surveillance and high-throughput digital signage traffic.
• Jumbo Frame Support: Up to 9198-byte jumbo frame transmission.
• Hardware ACL Capacity: 5,120 ingress/egress access control list entries.
• IPFIX Flow Telemetry: Full unsampled streaming flow export supported natively under Network Advantage license.
• System Memory: 16GB DRAM, 16GB onboard flash storage, optional USB 3.0 SSD container hosting support for containerized applications.

6. Layer 2 Standard Feature Suite (Supported under Network Advantage -A)

IEEE 802.1Q VLAN trunking, IEEE 802.3ad LACP EtherChannel (max 8 ports per bundle), complete spanning tree toolkit including PVST+, RPVST+, MSTP with BPDU guard, root guard and loop guard; LLDP/LLDP-MED unified endpoint discovery optimized for multigigabit UPOE+ Wi-Fi APs, PTZ cameras and digital signage terminals, port security with sticky MAC address learning, broadcast/multicast storm suppression, IGMP Snooping v1/v2/v3, SPAN/RSPAN/ERSPAN local and remote traffic mirroring, private VLANs, voice VLAN auto-detection and traffic prioritization, hardware 128-bit & 256-bit AES MACsec link encryption for uplink trunk security.

7. Layer 3, Security & Automation Features (Full Network Advantage -A Capabilities)

Full Unrestricted Layer 3 Dynamic Routing

Static IPv4/IPv6 dual-stack routing, RIP v1/v2, OSPFv2/v3 with unlimited route entries, full EIGRP, BGP, IS-IS, MPLS, VXLAN, policy-based routing (PBR), VRRPv2/v3 gateway redundancy, full PIM sparse-dense mode multicast routing, complete SD‑Access fabric VRF support for end-to-end virtualized campus networks.

Advanced Zero-Trust Enterprise Security

IEEE 802.1X multi-domain multi-factor port authentication, MAB MAC bypass authentication, DHCP Snooping, Dynamic ARP Inspection (DAI), IP Source Guard, CoPP control-plane policing, hardware TrustSec SGT Adaptive Policy micro-segmentation, hardware 256-bit MACsec link encryption, line-rate 100G IPsec tunnels, Encrypted Traffic Analytics (ETA), advanced ACL logging and threat filtering, IEEE 1588v2 PTP precise clock synchronization for 4K video surveillance and industrial IoT deployments.

Complete Automation & Full Streaming Telemetry

Zero-touch provisioning (ZTP), full NETCONF/YANG/RESTCONF programmability, Python EEM scripting, full unsampled IPFIX streaming telemetry, full Cisco Catalyst Center SD‑Access fabric integration, scheduled automatic firmware upgrades, granular RBAC multi-admin access control, centralized syslog and SNMPv3 monitoring, on-box container application hosting with optional USB SSD extended storage support, embedded Catalyst 9800 wireless controller capability for distributed branch Wi-Fi 7 overlay deployments.

8. IOS XE License Tier Differentiation for C9300X On-Prem Switches

1. Network Essentials (-E, Base Tier)
   Full Layer 2 switching suite, limited OSPF route scale (max 1,000 entries), baseline port security, only sampled flow telemetry and basic ZTP automation. Advanced routing, TrustSec segmentation, ETA, ERSPAN and 256-bit MACsec are permanently disabled.
2. Network Advantage (-A, Full Premium Tier, This Model)
   Unlimited dynamic routing table capacity, TrustSec Adaptive Policy zero-trust traffic segmentation with SGT tagging, full unsampled IPFIX flow telemetry, Encrypted Traffic Analytics (ETA), complete SD‑Access wired fabric orchestration and native 256-bit AES MACsec link encryption support.
   Key difference versus Meraki cloud-managed C9300X-M variants: C9300X-A/-E run native on-prem IOS XE with permanent perpetual licenses, while C9300X-M Meraki switches require renewable term-based cloud subscriptions and exclusive Meraki Dashboard cloud management. All switches within the same stack must deploy matching license tiers to guarantee full stacking interoperability and consistent end-to-end security policy enforcement.

9. Datasheet Short Summary Paragraph

The Cisco Catalyst C9300X-48H-A is a 1RU stackable Layer 3 48-port full 10G multigigabit UPOE+ copper enterprise access switch equipped with 48 uniform 100M/1/2.5/5/10G UPOE+/PoE/PoE+ RJ45 downlink ports and one modular high-speed uplink expansion slot, preloaded with permanent Network Advantage IOS XE license. Equipped with StackWise-1T 1Tbps high-bandwidth stacking, StackPower cross-stack UPOE+ power pooling and dual redundant AC power/fan resiliency, it delivers complete Layer 2 switching, unlimited full-suite Layer 3 dynamic routing, advanced zero-trust TrustSec segmentation, full streaming telemetry and end-to-end SD‑Access fabric integration. This model targets high-density Wi-Fi 7 AP, 4K PTZ surveillance camera and industrial digital signage wired access deployments that require universal full 10G multigigabit bandwidth and up to 90W UPOE+ power per port, and demand local CLI or full Cisco Catalyst Center on-prem management with unrestricted premium enterprise routing, security and analytics feature sets.