1. Introduction
1.1 Produit terminéview
The Cisco Aironet 1252 Lightweight Access Point is a modular, unified wireless access point designed for robust 802.11a/g/n wireless network deployments. It operates in both 2.4 GHz and 5 GHz frequency bands, supporting Draft 2.0 of the 802.11n standard. This device functions as part of a larger Cisco Unified Wireless Network, managed by a wireless LAN controller.
1.2 Principales caractéristiques
- Supports 802.11a/g/n (Draft 2.0) wireless standards.
- Operates on 2.4 GHz and 5 GHz frequencies.
- Modular design for flexible configurations.
- Lightweight Access Point Protocol (LWAPP) for centralized management.
- Vol d'entréetage : 56 VCC.
- Equipped with 6 RP-TNC connectors for external antennas (FCC configuration).
2. Consignes de sécurité
2.1 Précautions générales de sécurité
- Lisez toutes les instructions: Before installation and operation, carefully read and understand all safety instructions.
- Source d'alimentation : Use only the specified power source (56 VDC) for this device. Ensure the power adapter is properly grounded.
- Ventilation: Ne bloquez aucune ouverture de ventilation. Assurez une circulation d'air suffisante autour de l'appareil pour éviter toute surchauffe.
- Emplacement: Install the device in a stable location, away from direct sunlight, heat sources, and moisture. Avoid placing it near strong electromagnetic fields.
- Entretien: N'essayez pas de réparer vous-même ce produit. Confiez tous les travaux d'entretien à du personnel de service qualifié.
- Antennes: Ensure all antennas are securely connected before powering on the device.
3. Contenu du colis
Veuillez vérifier que votre colis contient les articles suivants. Si un article est manquant ou endommagé, veuillez contacter votre fournisseur.
- Cisco Aironet 1252 Lightweight Access Point (AIR-LAP1252AG-A-K9)
- Power Adapter (if included with your specific model variant)
- Kit de support de montage
- Documentation (Guide de démarrage rapide, Informations de sécurité)
- External Antennas (quantity and type may vary based on configuration)
4. Installation
4.1 Installation physique
The Cisco Aironet 1252 Access Point can be mounted on a wall or ceiling. Ensure the chosen location provides optimal wireless coverage and is within reach of power and network connections.

An image showing the Cisco Aironet 1252 Lightweight Access Point, typically mounted or ready for installation. This illustrates the physical appearance of the device.
4.2 Raccordement à l'alimentation et au réseau
- Fixez les antennes : Screw the external antennas onto the RP-TNC connectors on the access point. Ensure they are finger-tight.
- Connexion Ethernet : Connect an Ethernet cable from your network switch (preferably a Power over Ethernet (PoE) enabled switch) to the Ethernet port on the access point. If PoE is not used, connect the power adapter to the access point's power input and then to an electrical outlet.
- Mise sous tension : Once the network and power connections are secure, the access point will power on automatically. Observe the LED indicators for boot-up status.
4.3 Configuration initiale
As a Lightweight Access Point, the AIR-LAP1252AG-A-K9 requires a Cisco Wireless LAN Controller (WLC) for full operation and configuration. Upon boot-up, the access point will attempt to discover and join a WLC on the network. Refer to your WLC documentation for specific configuration steps, including:
- WLC discovery methods (DHCP, DNS, broadcast).
- Assigning the access point to a specific WLC.
- Configuring SSIDs, security settings, and radio parameters.
5. Fonctionnement
5.1 Comprendre les indicateurs LED
The access point features LED indicators that provide visual feedback on its operational status:
- LED d'état: Indicates the overall operational state (e.g., booting, associated with WLC, transmitting data). Refer to the official Cisco documentation for detailed LED patterns and their meanings.
- Voyants radio : Indicate activity on the 2.4 GHz and 5 GHz radios.
5.2 Configuration du réseau sans fil
All wireless network configurations, including SSID broadcasting, security protocols (WPA2/WPA3), VLAN tagging, and radio power settings, are managed centrally through the Cisco Wireless LAN Controller. Once the access point has joined the WLC, it will download its configuration and begin broadcasting the configured wireless networks.
6. Entretien
6.1 Nettoyage
To maintain optimal performance and extend the lifespan of your access point:
- Éteindre: Débranchez toujours l’alimentation avant de nettoyer.
- Extérieur: Use a soft, dry, lint-free cloth to wipe the exterior surfaces. Do not use liquid cleaners, aerosols, or solvents.
- Ventilation: Periodically check ventilation openings for dust accumulation and gently clear them using compressed air if necessary.
6.2 mises à jour du micrologiciel
Firmware updates for the access point are managed and pushed by the Cisco Wireless LAN Controller. Ensure your WLC is running the latest recommended software version to provide the most stable and secure environment for your access points. Consult Cisco's official documentation for WLC firmware upgrade procedures.
7. Dépannage
Cette section propose des solutions aux problèmes courants que vous pourriez rencontrer.
| Problème | Cause possible | Solution |
|---|---|---|
| Access Point not powering on. | No power, faulty power adapter/PoE switch, or cable issue. | Verify power connections. Ensure PoE switch port is active or power adapter is functional. Try a different Ethernet cable. |
| Status LED not indicating normal operation (e.g., continuously blinking or off). | Not connected to WLC, WLC not reachable, or IP address conflict. | Ensure network connectivity to the WLC. Check WLC configuration for AP discovery. Verify no IP address conflicts on the network. |
| Clients cannot connect to the wireless network. | Incorrect SSID/password, WLC configuration error, or radio disabled. | Verify SSID and password on client devices. Check WLC for correct WLAN configuration, ensure radios are enabled and broadcasting. |
| Performances sans fil médiocres. | Interference, improper antenna placement, or outdated firmware. | Check for sources of interference. Adjust antenna orientation. Ensure WLC and AP firmware are up to date. Consider a site survey for optimal AP placement. |
8. Spécifications
Technical specifications for the Cisco Aironet 1252 Lightweight Access Point:
| Fonctionnalité | Détail |
|---|---|
| Numéro de modèle | AIR-LAP1252AG-A-K9 |
| Type sans fil | 802.11a/g, 802.11n (Draft 2.0) |
| Bandes de fréquences | 2.4 GHz, 5 GHz |
| BÉLIER | 64 Mo |
| Taille de la mémoire flash | 32 Mo |
| Vol d'entréetage | 56 VCC |
| Tirage actuel | 550 mA |
| Connecteurs d'antenne | 6 x RP-TNC (FCC Configuration) |
| Dimensions du produit (L x l x H) | 9.52 x 8.12 x 2.35 pouces |
| Poids de l'article | 5.09 livres |
| Fabricant | CISCO |
| ASIN | B00113U2PS |
9. Garantie et assistance
For information regarding product warranty, technical support, and additional resources, please refer to the official Cisco website or contact your authorized Cisco reseller. Specific warranty terms and support options may vary based on your region and purchase agreement.
Online resources and documentation can typically be found at www.cisco.com.