Cisco AIR-LAP1242AG-x-K9 Full English Product Description
1. Short Official Part & License Label
AIR-LAP1242AG-x-K9: Cisco Aironet 1242AG Lightweight Indoor Wireless Access Point, Simultaneous Dual-Band 2.4 GHz 802.11b/g + 5 GHz 802.11a, LWAPP/CAPWAP Lightweight Mode, Managed Exclusively by Cisco AireOS Wireless LAN Controllers, Four RP-TNC External Antenna Connectors (Antennas Sold Separately), Rugged Metal Enclosure, Extended Operating Temperature, 10/100BASE-T Ethernet, Supports 802.3af PoE or Local DC Power, Hardware-Accelerated AES Encryption, Centralized RF & Security Policy, WIDS/WIPS, End-of-Sale Legacy CUWN Connectorized Lightweight AP.
(Suffix "x" denotes regional regulatory domain: A=USA, E=Europe, C=China, K=Korea, etc.)
2. Full Product Overview
The Cisco AIR-LAP1242AG-x-K9 belongs to the Aironet 1240AG Series, factory-shipped lightweight LWAPP CAPWAP access point built for the Cisco Unified Wireless Network (CUWN) architecture. Unlike autonomous AIR-AP1242AG-x-K9, this lightweight variantcannot operate standalone. It must establish an encrypted LWAPP/CAPWAP control tunnel to an AireOS wireless LAN controller for all configuration, security policy, RF management and mobility services.
Two independent radios transmit simultaneously:
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2.4 GHz: IEEE 802.11b/g (up to 54 Mbps)
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5 GHz: IEEE 802.11a (up to 54 Mbps)
Four RP-TNC antenna ports (2 per radio) enable flexible deployment of omnidirectional, directional, sector or high-gain external antennas, ideal for warehouses, manufacturing facilities and large retail sites requiring customized RF coverage. The rugged metal chassis supports an extended operating temperature range for semi-industrial indoor environments.
Power options include IEEE 802.3af PoE to simplify ceiling and wall mounting, plus optional external 48 VDC power supply. Hardware-assisted AES encryption delivers full WPA2 enterprise security without throughput degradation. All WLAN definitions, roaming parameters, QoS and threat detection policies are centrally managed on the wireless controller. It supports Layer 2 / Layer 3 inter-controller roaming, wireless intrusion detection and prevention (WIDS/WIPS), rogue AP containment, and WMM voice prioritization for VoWLAN deployments.
Lifecycle Status: AIR-LAP1242AG-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 1252AG lightweight series and later Wi‑Fi 6 Catalyst access points. Bidirectional firmware conversion between lightweight LWAPP and autonomous IOS images is supported via TFTP.
Key Differentiator vs AIR-AP1242AG-x-K9: AIR-LAP1242AG ships lightweight LWAPP firmware requiring an AireOS WLC; AIR-AP1242AG boots autonomous IOS for standalone operation. Compared to AIR-LAP1131AG-x-K9: External RP-TNC antenna ports, rugged metal housing and extended temperature range for industrial-style deployments, while the 1131AG uses fixed internal antennas.
3. Complete Hardware Physical & Interface Specifications
Form Factor & Mechanical
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Form Factor: Rugged metal indoor enclosure, wall / ceiling rail mountable
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Dimensions: 216 mm × 168 mm × 48 mm (8.5” × 6.6” × 1.9”)
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Unit Weight: 1.1 kg (2.4 lbs)
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Mounting: Keyhole slots, compatible with standard ceiling tile brackets; security lock provision
Rear Panel Interface Layout
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1× RJ45 10/100BASE-T Ethernet port, supports 802.3af PoE input
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DC power barrel jack for optional 48 VDC external power injector
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RJ45 Serial Console port for local troubleshooting and emergency recovery
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4× RP-TNC female antenna connectors:
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2 × RP-TNC for 2.4 GHz diversity radio
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2 × RP-TNC for 5 GHz diversity radio (5GHz ports marked blue)
(Antennas purchased separately)
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Mode reset pushbutton for factory default restoration and controller discovery
Front Panel LED Status Indicators
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Status: System boot, CAPWAP controller association, operational health and fault alerts
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Ethernet: Link integrity and traffic activity
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Radio: Wireless transmit and receive activity
Power & Environmental Parameters
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Power Options: IEEE 802.3af PoE or external 48 VDC power supply
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Typical power consumption: 13 W
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Operating Temperature: -20°C to 55°C (-4°F to 131°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, CE, FCC Class B, Wi-Fi Alliance certified
Radio Hardware Specifications
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Standards: IEEE 802.11b / 802.11g
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Data Rates: 54, 48, 36, 24, 18, 12, 9, 6 Mbps (g); 11, 5.5, 2, 1 Mbps (b)
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Antenna Interface: Dual RP-TNC diversity ports
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Data Rates: 54, 48, 36, 24, 18, 12, 9, 6 Mbps
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Antenna Interface: Dual RP-TNC diversity ports
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Transmit power: Software configurable, limited by regional regulatory domain
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Maximum simultaneous BSSIDs (SSIDs): Up to 16 per radio
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Diversity receive improves resistance to multipath fading
Embedded Hardware Resources
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RAM: 32 MB
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Flash Storage: 16 MB for lightweight LWAPP / CAPWAP firmware
4. Core CUWN Lightweight AP Feature Suite (All Policies Orchestrated from AireOS WLC)
1. LWAPP / CAPWAP Centralized Control Tunnel
Establishes encrypted control tunnel to AireOS wireless controllers; zero-touch discovery via DHCP, 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, hardware accelerated)
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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, mobility group integration for multi-controller CUWN deployments.
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 LWAPP 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 warehouses, manufacturing facilities and large retail environments requiring directional or high-gain external antennas
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Legacy CUWN enterprise wireless architecture built around AireOS wireless controllers
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Mixed-client environments supporting legacy 2.4 GHz barcode scanners/IoT and 5GHz laptop clients
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Maintenance of existing pre-Catalyst 9800 wireless deployments before platform migration
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Lab environments for training on legacy LWAPP lightweight AP and AireOS controller workflows
6. Short Sales Listing Tagline
Cisco AIR-LAP1242AG-x-K9 Legacy Aironet 1242AG Lightweight Indoor Access Point, Simultaneous 2.4GHz 802.11b/g + 5GHz 802.11a, LWAPP/CAPWAP Lightweight Mode Managed by AireOS Wireless LAN Controllers, Four RP-TNC External Antenna Ports (Antennas Not Included), Rugged Metal Enclosure with Extended Operating Temperature, 10/100BASE-T with 802.3af PoE, Hardware AES Encryption, Centralized RF Management, WIDS/WIPS Threat Detection, Supports Fast Roaming, End-of-Sale Connectorized Lightweight AP for Industrial & Large-Site CUWN Wireless Networks
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