Présentation de la fonction d'auto-test audio du système téléphonique industriel

Introduction

Présentation générale

Ce document décrit la fonction d’autotest audio, également appelée autotest d’écho, pour les dispositifs d’interphonie industrielle et de portier. Cette fonction teste le haut-parleur et le microphone en diffusant un son via le haut-parleur et en le capturant par le microphone, ce qui permet le diagnostic à distance des composants audio.

Modèles applicables

BHP-SOS12, BHP-SOS11, BHP-SOS16V, BHP-SOS18, Bi20S, Bi30, Bi32V, Bi33V, BHP-SOS10V, BK-DAB-PA3, BK-DAB-PA2S

Fonctionnement de l’autotest audio

Le dispositif diffuse une tonalité de test via le haut-parleur, puis enregistre via le microphone. Il mesure le pourcentage audio reçu : - Au-dessus du seuil = Test réussi - En dessous du seuil = Échec du test

Schéma de l’autotest audio

                                                                                                                      Figure 1 Schéma de l’autotest audio

Scénarios d’application

Utilisé pour l’inspection à distance des équipements, en particulier lorsque l’audio de diffusion est absent ou interrompu. Il réduit les coûts de maintenance sur site et améliore l’efficacité.

Prérequis et outils

Scène d’autotest audio

                                                                                                                        Figure 2 Scène d’autotest audio

  1. 1 interphone industriel, par exemple BHP-SOS12, commutateur PoE, serveur Keneng

  2. PC de configuration connecté au même réseau LAN

Schéma de connexion entre le dispositif et le PC

Schéma de connexion entre le dispositif et le PC

                                             Figure 3 Schéma de connexion entre le dispositif et le PC

Guide d’utilisation

Quatre méthodes sont disponibles pour l’autotest d’écho :

1. Méthode Active URI

Déclenchement via une requête HTTP GET depuis une console distante.

Format : http://device-ip/cgi-bin/ConfigManApp.com?key=ECHO_TEST

Résultat :
- Réussite : haut-parleur et microphone fonctionnels
- Échec : haut-parleur/microphone déconnecté ou défectueux

Exemple : http://172.18.8.15/cgi-bin/ConfigManApp.com?key=ECHO_TEST

Autotest audio Active URI

Figure 4 Autotest audio Active URI

2. Méthode HTTP API

API basée sur XML pour l’intégration tierce.

URL de requête : http://device-ip/xmlservice (POST)

XML de requête :



URI="cmd:echo_test"

XML de réponse :



URI="cmd:echo_test"
0

Autotest audio HTTP API

Figure 5 Autotest audio HTTP API

3. Méthode de planification horaire

Planifiez un autotest automatique et rapportez les résultats via Action URL.

  1. Connectez-vous à la Web UI → Intercom → Time Plan → Time Plan Rule

  2. Action Type : Audio Self-Test

  3. Définissez l’heure d’exécution

Autotest audio par planification horaire

Figure 6 Autotest audio par planification horaire

4. Méthode de message SIP

Exécutez l’autotest via un serveur SIP dans les environnements de réseau public.

  1. Le dispositif enregistre un compte SIP sur le serveur

  2. Créez une tâche d’autotest sur le serveur Keneng

  3. Exécutez la tâche : affichez Success/Failure sur le serveur

Autotest audio par message SIP

Figure 7 Autotest audio par message SIP

Vérification par capture de paquets :

  1. Web UI → System → Tools → Packet Capture → Start

  2. Exécutez l’autotest → Arrêtez la capture

  3. Ouvrez dans Wireshark → filtrez sip

  4. Vérifiez le corps MESSAGE : Success / Fail

Capture de paquets du dispositif

Figure 8 Capture de paquets du dispositif

Vérifier le résultat via la capture de paquets

Figure 9 Vérifier le résultat via la capture de paquets

Dépannage : échec de l’autotest

  1. Vérifier les connexions

    • Haut-parleur déconnecté = le test échoue

    • Microphone déconnecté = le test échoue toujours

  2. Vérifier les composants

    • Vérifiez que le haut-parleur et le microphone ne sont pas endommagés

    • Contactez le support si les composants sont en bon état mais que le test échoue

  3. Vérifier l’environnement

    • Le test utilise une tonalité de 1KHz

    • Un bruit ambiant de 1KHz peut provoquer une fausse réussite

    • Effectuez le test dans un environnement calme

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