Cisco Catalyst C9115AXE-x-K9

Listing Title

Cisco Catalyst C9115AXE-x-K9 Enterprise Indoor Wi‑Fi 6 (802.11ax) Access Point, Dual‑Band 4×4 MU‑MIMO, Four RP‑TNC External Antenna Ports, Embedded BLE 5.1 IoT Radio, 2.5G Multigigabit PoE+ Uplink, Supports Catalyst 9800 WLC / EWC Embedded Standalone Controller Mode, Optimized for Custom Coverage Indoor Spaces, Partitioned Offices, Auditoriums, Retail and Challenging Indoor RF EnvironmentsCisco

Full Commercial Product Description

The Cisco Catalyst C9115AXE-x-K9 belongs to the flagship Catalyst 9115AX Wi‑Fi 6 enterprise indoor AP family. Distinguished from the internal‑antenna C9115AXI model, the C9115AXE is equipped with four RP‑TNC female external antenna connectors, enabling fully customizable RF coverage layouts with separate omnidirectional, directional or sector dual‑band antennas for complex indoor layouts, partitioned offices, large lecture halls and challenging RF dead‑zone environmentsCisco. This high‑performance Wi‑Fi 6 access point delivers dual flexible deployment architectures: CAPWAP lightweight centralized controller mode managed by Catalyst 9800 Series Wireless LAN Controllers, and EWC Embedded Wireless Controller standalone virtual controller mode (C9115AXE‑EWC‑x‑K9 variant) for small/branch networks without dedicated physical WLC hardwareCisco.

Triple Radio Architecture: Dual Wi‑Fi 6 Bands + BLE IoT Radio

The AP integrates three independent concurrent radios:

2.4 GHz 802.11ax Radio: 4×4:4 MU‑MIMO with four spatial streams, supports 20/40 MHz channel bandwidth, backward compatible with legacy 802.11b/g/n IoT devices; maximum single‑band PHY rate up to 1.2 GbpsCisco.
5 GHz 802.11ax Radio: 4×4:4 MU‑MIMO with four spatial streams, supports 20/40/80/160 MHz wide channels, DFS radar frequency avoidance, 1024‑QAM high‑efficiency modulation; peak single‑band PHY throughput reaches 4.2 GbpsCisco.
Embedded Bluetooth Low Energy 5.1 Radio: Native integrated IoT radio for indoor location analytics, asset tracking, proximity beacon marketing and low‑power sensor connectivity.

Total aggregate dual‑band Wi‑Fi 6 PHY throughput hits5.38 Gbps, built with 25.6 Gbps wireless switching capacity to handle hundreds of concurrent connected clients in high‑density spacesCisco.

Core Wi‑Fi 6 high‑density optimization technologies fully supported:

Uplink & Downlink OFDMA: Splits spectrum into small resource units to cut latency and boost multi‑client parallel transmission efficiency
Downlink MU‑MIMO: Simultaneously transmits data to multiple Wi‑Fi 6 compatible clients to maximize airtime utilization
BSS Coloring Spatial Reuse: Minimizes co‑channel interference between adjacent access points in crowded building layouts
Target Wake Time (TWT): Extends battery life of smartphones, tablets and battery‑powered IoT sensors via scheduled sleep cycles
Transmit Beamforming & MRC Maximal Ratio Combining: Extends signal coverage range and improves connection stability for distant wireless clientsCisco.

Four RP‑TNC External Antenna Interfaces (Key Differentiator)

The C9115AXE features four labeled RP‑TNC female external antenna ports (A/B/C/D) on the top chassis, fully separating 2.4 GHz and 5 GHz RF signal paths to support flexible antenna matching schemesCisco. System integrators can select Cisco‑certified dual‑band external antennas (omnidirectional dipole, directional panel, sector high‑gain antennas, max certified antenna gain 6 dBi for both bands) to precisely shape coverage, eliminate dead zones and tailor signal propagation for partitioned rooms, long corridors and uneven indoor RF environmentsCisco.

Hardware Interfaces & Power Specifications

Wired Interfaces

1 × 100/1000/2500BASE‑T Multigigabit (mGig) RJ45 uplink port, compatible with IEEE 802.3bz NBASE‑T, transmits data and receives PoE power over a single Cat5e/Cat6 cable
RJ45 RS‑232 local console port for device configuration, firmware upgrade and field troubleshooting
USB 2.0 auxiliary port for local diagnostics and lightweight edge IoT application hosting
Multi‑color LED status indicator for boot state, WLC association, runtime operation and hardware fault alert
Physical reset button for one‑touch factory configuration recovery
Kensington lock slot for physical anti‑theft protection

Power Supply Compatibility

Primary: IEEE 802.3at PoE+ (30W power budget), required for full 4×4 MIMO dual‑radio performance and USB port activation
Limited operation via IEEE 802.3af PoE: When powered by af PoE, radios downgrade to 2×2 MIMO, Ethernet uplink drops to 1Gbps, and USB port is disabled to reduce thermal load
Compatible PoE injectors: AIR‑PWRINJ5 (802.3af), AIR‑PWRINJ6 (802.3at)Cisco.

Supported Deployment Operation Modes

CAPWAP Lightweight Controller Mode: Centralized unified wireless policy management via Catalyst 9800 physical/virtual WLCs, global RF resource scheduling, seamless inter‑AP client roaming, centralized security enforcement and network analytics.
EWC Embedded Wireless Controller Standalone Mode: Runs lightweight virtual wireless controller locally on the EWC preloaded AP variant for independent branch, classroom or small office networks without dedicated WLC hardware.
Auxiliary operational modes: Monitor Mode, Sniffer Mode for RF spectrum capture and wireless traffic analysis.

Enterprise‑Grade Wireless Security Suite

Comprehensive layered security compliant with enterprise, education and retail compliance standards:

WPA3‑Enterprise / WPA2 / WPA wireless encryption suites with AES hardware acceleration
Secure Boot, runtime integrity defense, digital firmware image signing and hardware authenticity verification to block malicious firmware tampering
Full 802.1X AAA authentication, complete EAP protocol suite (EAP‑TLS, PEAP, EAP‑FAST, EAP‑TTLS)
Encrypted Traffic Analytics (ETA): Machine learning powered threat detection for encrypted traffic without decryption to identify ransomware and network intrusions
MAC address filtering, isolated VLAN traffic segmentation for guest vs corporate/IoT networks, rogue AP detection and wireless intrusion monitoring
Hardware‑accelerated DTLS tunnel encryption for CAPWAP controller communication links.

Physical & Environmental Specifications

Dimensions: Standard low‑profile ceiling mount chassis compatible with universal ceiling rail brackets
Weight: Lightweight for flush ceiling installation
Operating temperature: 0°C ~ 50°C (32°F ~ 122°F); when ambient temperature exceeds 40°C, radio MIMO streams, uplink speed and USB port are restricted for thermal protection
Storage temperature: -30°C ~ 70°C (-22°F ~ 158°F)
Operating humidity: 10% – 90% non‑condensing
Operating altitude: Up to 3000 meters at 40°C ambient temperature
Mounting: Standard ceiling rail / wall bracket mount, compatible with Cisco universal AP mounting kits
Warranty: Limited Lifetime Hardware Warranty.

Cisco DNA Ecosystem Compatibility

Cisco DNA Ready platform, fully integrated with Cisco DNA Center on‑premises and cloud management platforms. Supports DNA Assurance AI‑driven network analytics, Intelligent Capture wireless traffic inspection, end‑user client performance monitoring, automated fault troubleshooting and predictive wireless network capacity planning for centralized IT lifecycle management of multi‑site enterprise deployments.

The suffix "x" in the part number represents regional regulatory domain variants (A=FCC North America, C=China, E=ETSI Europe, K=Korea, S=Singapore etc.) to comply with local radio frequency transmit power, channel allocation and wireless spectrum licensing regulations worldwideCisco.

Key Specification Bullet Points

Model: C9115AXE-x-K9
Wi‑Fi Standard: IEEE 802.11ax (Wi‑Fi 6), backward compatible with 802.11a/b/g/n/ac
Radio Architecture: Dual concurrent 2.4 GHz + 5 GHz 4×4 MU‑MIMO Wi‑Fi 6 radios; embedded BLE 5.1 IoT beacon radio
Spatial Streams: 4 spatial streams per band; Max total aggregate PHY throughput 5.38 Gbps
Antenna Interface: Four RP‑TNC female external antenna ports (A/B/C/D); compatible with Cisco certified omnidirectional/directional/sector dual‑band external antennas (max 6 dBi gain); no internal built‑in antennas
Core Wi‑Fi 6 Technologies: Uplink/downlink OFDMA, downlink MU‑MIMO, BSS Coloring spatial reuse, TWT power saving, transmit beamforming, MRC receive diversity, 160 MHz wide 5 GHz channel support
Supported Operation Modes: CAPWAP lightweight centralized controller mode, EWC embedded standalone virtual controller mode, Monitor / Sniffer diagnostic modes
Wired Interfaces:

1 × 2.5G Multigigabit PoE‑In RJ45 uplink port

1 × RJ45 RS‑232 local console port

1 × USB 2.0 auxiliary diagnostic port

Multi‑color status LED, physical reset button, Kensington anti‑theft lock slot
Power Compatibility: IEEE 802.3at PoE+ (full performance); IEEE 802.3af PoE (limited radio/port functionality); compatible with AIR‑PWRINJ5 / AIR‑PWRINJ6 PoE injectors
Environmental Parameters: Operating temp 0°C ~ 50°C; storage temp -30°C ~ 70°C; humidity 10%–90% non‑condensing
Mounting: Flush ceiling rail / wall bracket mounting, universal Cisco AP mounting kit compatible
Security Suite: WPA3/WPA2/AES, Secure Boot firmware protection, Encrypted Traffic Analytics (ETA), 802.1X multi‑EAP authentication, rogue AP detection, VLAN segmentation, DTLS encrypted CAPWAP tunnels
Ecosystem Support: Cisco DNA Center cloud & on‑prem management, DNA Assurance AI analytics, Intelligent Capture wireless traffic inspection, containerized edge IoT application hosting
Typical Deployment Scenarios: Complex partitioned corporate offices, university lecture halls & campuses, large retail malls, auditoriums, indoor spaces requiring customized directional/sector antenna coverage, environments with severe RF dead zones and challenging indoor RF propagation

Model Quick Reference

C9115AXE-x-K9: External RP‑TNC antenna port Wi‑Fi 6 enterprise AP, dual 4×4 MU‑MIMO radios, 2.5G mGig PoE+ uplink, embedded BLE IoT radio, ceiling mount for custom RF coverage indoor enterprise deployments
C9115AXE‑EWC-x-K9: EWC embedded wireless controller preloaded variant supporting standalone operation without dedicated physical WLC
C9115AXI-x-K9: Internal integrated omnidirectional antenna variant, no external RP‑TNC antenna ports for standard uniform wide‑area coverage
Catalyst 9105AX Series: Entry‑level 2×2 MU‑MIMO Wi‑Fi 6 APs with lower throughput for SMB and low‑density branch deployments
Catalyst 9117AX Series: Flagship 8×8 high‑density Wi‑Fi 6 AP for stadiums and ultra‑dense event spaces


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