Einführung in die Audio-Selbsttestfunktion des industriellen Telefonsystems

Einführung

Überblick

Dieses Dokument beschreibt die Audio-Selbsttestfunktion, auch Echo-Selbsttest genannt, für industrielle Intercom- und Türsprechgeräte. Die Funktion testet Lautsprecher und Mikrofon, indem Audio über den Lautsprecher wiedergegeben und über das Mikrofon erfasst wird, wodurch eine Ferndiagnose der Audiokomponenten ermöglicht wird.

Anwendbare Modelle

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

Funktionsweise des Audio-Selbsttests

Das Gerät spielt einen Testton über den Lautsprecher ab und nimmt ihn anschließend über das Mikrofon auf. Es misst den Prozentsatz des empfangenen Audios: - Über dem Schwellenwert = Test erfolgreich - Unter dem Schwellenwert = Test fehlgeschlagen

Schema des Audio-Selbsttests

                                                                                                                      Abbildung 1 Schema des Audio-Selbsttests

Anwendungsszenarien

Wird für die Ferninspektion von Geräten verwendet, insbesondere wenn Broadcast-Audio fehlt oder unterbrochen ist. Reduziert Wartungskosten vor Ort und verbessert die Effizienz.

Voraussetzungen und Werkzeuge

Audio-Selbsttest-Szene

                                                                                                                        Abbildung 2 Audio-Selbsttest-Szene

  1. 1 industrielles Intercom, z. B. BHP-SOS12, PoE-Switch, Keneng-Server

  2. Konfigurations-PC, der mit demselben LAN verbunden ist

Verbindungsdiagramm zwischen Gerät und PC

Verbindungsdiagramm zwischen Gerät und PC

                                             Abbildung 3 Verbindungsdiagramm zwischen Gerät und PC

Bedienungsanleitung

Für den Echo-Selbsttest stehen vier Methoden zur Verfügung:

1. Active-URI-Methode

Auslösung über eine HTTP-GET-Anfrage von einer Remote-Konsole.

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

Ergebnis:
- Erfolgreich: Lautsprecher und Mikrofon funktionieren
- Fehlgeschlagen: Lautsprecher/Mikrofon getrennt oder defekt

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

Audio-Selbsttest per Active URI

Abbildung 4 Audio-Selbsttest per Active URI

2. HTTP-API-Methode

XML-basierte API für die Integration durch Drittanbieter.

Anfrage-URL: http://device-ip/xmlservice (POST)

Anfrage-XML:



URI="cmd:echo_test"

Antwort-XML:



URI="cmd:echo_test"
0

Audio-Selbsttest per HTTP API

Abbildung 5 Audio-Selbsttest per HTTP API

3. Zeitplan-Methode

Planen Sie einen automatischen Selbsttest und melden Sie die Ergebnisse über Action URL.

  1. Melden Sie sich in der Web UI an → Intercom → Time Plan → Time Plan Rule

  2. Action Type: Audio Self-Test

  3. Ausführungszeit festlegen

Audio-Selbsttest per Zeitplan

Abbildung 6 Audio-Selbsttest per Zeitplan

4. SIP-Nachrichten-Methode

Führen Sie den Selbsttest über einen SIP-Server in öffentlichen Netzwerkumgebungen aus.

  1. Das Gerät registriert ein SIP-Konto auf dem Server

  2. Selbsttest-Aufgabe auf dem Keneng-Server erstellen

  3. Aufgabe ausführen: Success/Failure auf dem Server anzeigen

Audio-Selbsttest per SIP-Nachricht

Abbildung 7 Audio-Selbsttest per SIP-Nachricht

Überprüfung per Paketaufzeichnung:

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

  2. Selbsttest ausführen → Aufzeichnung stoppen

  3. In Wireshark öffnen → Filter sip

  4. MESSAGE-Body prüfen: Success / Fail

Paketaufzeichnung des Geräts

Abbildung 8 Paketaufzeichnung des Geräts

Ergebnis per Paketaufzeichnung prüfen

Abbildung 9 Ergebnis per Paketaufzeichnung prüfen

Fehlerbehebung: Selbsttest fehlgeschlagen

  1. Verbindungen prüfen

    • Lautsprecher getrennt = Test schlägt fehl

    • Mikrofon getrennt = Test schlägt immer fehl

  2. Komponenten prüfen

    • Prüfen Sie, ob Lautsprecher und Mikrofon nicht beschädigt sind

    • Wenden Sie sich an den Support, wenn die Komponenten in Ordnung sind, der Test jedoch fehlschlägt

  3. Umgebung prüfen

    • Der Test verwendet einen 1KHz-Ton

    • Umgebungsgeräusche bei 1KHz können einen falschen Erfolg verursachen

    • Test in ruhiger Umgebung durchführen

Katalog
Kundenservice Telefon
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