Cisco AIR-LAP1042N-x-K9 Full English Product Description
1. Short Official Part & License Label
AIR-LAP1042N-x-K9: Cisco Aironet 1042N Lightweight Indoor Wireless Access Point, Simultaneous Dual-Band 2.4 GHz 802.11b/g/n + 5 GHz 802.11a/n, 2×2 MIMO per Radio, CAPWAP/LWAPP Lightweight Mode, Managed Exclusively by Cisco AireOS Wireless LAN Controllers, Integrated Omni-Directional Diversity Antennas, 10/100/1000BASE-T Gigabit Ethernet, Supports 802.3af PoE, Centralized RF & Security Policy, WIDS/WIPS, End-of-Sale Entry Dual-Band CUWN Lightweight AP.
(Suffix "x" denotes regional regulatory domain: A=USA, E=Europe, C=China, K=Korea, etc.)
2. Full Product Overview
The Cisco AIR-LAP1042N-x-K9 belongs to the Aironet 1040 Series, factory-shipped lightweight CAPWAP/LWAPP access point built for the Cisco Unified Wireless Network (CUWN) architecture. This lightweight variantcannot operate standalone. It must establish an encrypted CAPWAP control tunnel to an AireOS wireless LAN controller for all configuration, security policy, RF management and mobility services.
Two independent radios transmit simultaneously with 2×2 MIMO architecture:
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2.4 GHz: IEEE 802.11b/g/n, maximum PHY rate 300 Mbps
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5 GHz: IEEE 802.11a/n, maximum PHY rate 300 Mbps
Integrated omnidirectional diversity antennas deliver balanced indoor RF coverage for offices, retail spaces and branch sites with mixed legacy 2.4 GHz IoT devices and modern 5 GHz Wi‑Fi clients. The compact low-profile plastic enclosure simplifies ceiling tile and wall mounting deployments.
Power is supplied via IEEE 802.3af PoE, eliminating separate DC power adapters. All WLAN definitions, authentication rules, roaming profiles and threat detection policies are centrally managed on the wireless controller. It supports WPA2 enterprise security, wireless intrusion detection/prevention (WIDS/WIPS), rogue AP containment, WMM voice prioritization, and Layer 2 / Layer 3 client roaming within mobility groups.
Lifecycle Status: AIR-LAP1042N-x-K9 reached End-of-Sale (EoS) and End-of-Support (EoL). Compatible only with legacy AireOS WLC platforms;incompatible with modern Catalyst 9800 IOS-XE wireless controllers. Successor models include later enterprise Wi-Fi generations. Bidirectional firmware conversion between lightweight CAPWAP and autonomous IOS images is supported via TFTP.
Key Differentiator vs AIR-LAP1041N-x-K9: AIR-LAP1042N supports simultaneous dual-band 2.4G+5G; AIR-LAP1041N is single-band 2.4 GHz only. Difference from AIR-AP1042N-x-K9: AIR-LAP1042N ships lightweight CAPWAP firmware requiring an AireOS WLC; AIR-AP1042N boots autonomous IOS for standalone operation.
3. Complete Hardware Physical & Interface Specifications
Form Factor & Mechanical
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Form Factor: Low-profile indoor plastic enclosure, ceiling rail / wall mountable
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Dimensions: 217 mm × 217 mm × 44 mm (8.5” × 8.5” × 1.73”)
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Unit Weight: 0.59 kg (1.3 lbs)
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Mounting: Standard ceiling tile bracket compatible; security lock provision
Rear Panel Interface Layout
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1× RJ45 10/100/1000BASE-T Gigabit Ethernet port, supports 802.3af PoE input
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RJ45 Serial Console port for local troubleshooting and emergency recovery
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Mode reset pushbutton for factory default restoration and CAPWAP controller discovery
Top Panel LED Status Indicator
Single multi-function Status LED:
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Indicates boot progress, CAPWAP controller association state, operational health and fault alerts
Power & Environmental Parameters
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Power Options: IEEE 802.3af Class 3 PoE (No dedicated DC power barrel jack)
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Typical power consumption: 13.5 W (dual radio active)
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Operating Temperature: 0°C to 40°C (32°F to 104°F)
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Storage Temperature: -40°C to 65°C (-40°F to 149°F)
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Humidity: 10%–90% non-condensing relative humidity
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Regulatory Certifications: UL 60950-1, CE, FCC Class B, Wi-Fi Alliance certified
Radio Hardware Specifications
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Standards: IEEE 802.11b / 802.11g / 802.11n
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Maximum PHY Rate: 300 Mbps (40 MHz channel, 2 spatial streams)
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Integrated diversity omnidirectional antenna gain: 4 dBi
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Standards: IEEE 802.11a / 802.11n
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Maximum PHY Rate: 300 Mbps (40 MHz channel, 2 spatial streams)
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Integrated diversity omnidirectional antenna gain: 4 dBi
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Transmit power: Software configurable, capped per regional regulatory domain
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Maximum simultaneous BSSIDs (SSIDs): Up to 16 per radio
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MRC (Maximum Ratio Combining) improves resistance to indoor multipath fading
Embedded Hardware Resources
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RAM: 128 MB DDR
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Flash Storage: 32 MB for lightweight CAPWAP / LWAPP firmware
4. Core CUWN Lightweight AP Feature Suite (All Policies Orchestrated from AireOS WLC)
1. CAPWAP / LWAPP Centralized Control Tunnel
Establishes encrypted CAPWAP control tunnel to AireOS wireless controllers; zero-touch discovery via DHCP Option 43, DNS or static controller IP. All configuration pushed dynamically from the WLC.
2. Centralized WLAN & Enterprise Security
SSID definitions, VLAN mapping, client isolation managed centrally on WLC
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Encryption: WPA (TKIP), WPA2 (AES-CCMP)
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Authentication: 802.1X, PEAP, EAP-TLS, EAP-FAST, MAC Authentication Bypass (MAB)
3. Dynamic RF Resource Management
Automatic transmit power adjustment, dynamic channel assignment, interference detection and load balancing coordinated across AP groups by the wireless controller.
4. Wireless Mobility
Fast Secure Roaming, Layer 2 and Layer 3 inter-controller roaming within mobility groups.
5. Wireless Threat Protection
Rogue AP detection, classification and rogue containment, Wireless Intrusion Detection System (WIDS) and Wireless Intrusion Prevention System (WIPS).
6. Voice & Multimedia QoS
Wi-Fi Multimedia (WMM) traffic prioritization, 802.1p CoS marking optimized for VoWLAN voice over wireless deployments.
7. Management & Diagnostics
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Local console access only for recovery purposes; primary administration via AireOS WLC GUI/CLI
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All client statistics, radio metrics and fault logs forwarded to the wireless controller
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Supports bidirectional firmware conversion between lightweight CAPWAP and autonomous IOS
8. Network Integration
Interoperates with Catalyst switched infrastructure; supports trunk VLANs and DHCP for CAPWAP discovery.
5. Typical Deployment Scenarios
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Controller-managed dual-band wireless coverage for enterprise offices, retail and branch sites within CUWN architectures
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Mixed-client environments supporting legacy 2.4 GHz IoT scanners and high-speed 5GHz 802.11n laptop clients
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Legacy CUWN wireless deployments built around AireOS wireless controllers
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Maintenance environment before migration to modern Wi-Fi access points
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Lab environments for training on CAPWAP lightweight AP and AireOS controller workflows
6. Short Sales Listing Tagline
Cisco AIR-LAP1042N-x-K9 Legacy Aironet 1042N Lightweight Indoor Access Point, Simultaneous 2.4GHz 802.11b/g/n + 5GHz 802.11a/n, 2×2 MIMO per Radio, CAPWAP/LWAPP Lightweight Mode Managed by AireOS Wireless LAN Controllers, Integrated Omni-Directional Diversity Antennas, 10/100/1000BASE-T Gigabit Ethernet with 802.3af PoE, Centralized RF & Security Policy, WIDS/WIPS Threat Detection, Supports Fast Roaming, End-of-Sale Entry Dual-Band Lightweight AP for CUWN Enterprise Wireless Networks
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