1. Produktüberschreitungview
This manual provides detailed instructions for the installation, operation, and maintenance of the Legrand Sound Speaker Basic, Model 351000. This device is an audio door speaker module designed for 2-wire sound systems, specifically for use with BUS technology intercom systems.
The module supports up to 4 control buttons and is intended for undercover mounting.
2. Einrichtung und Installation
Eine fachgerechte Installation ist für optimale Leistung und Sicherheit unerlässlich. Es wird empfohlen, die Installation von einem qualifizierten Techniker durchführen zu lassen.
2.1 Komponenten
- Legrand Sound Speaker Basic Module (Model 351000)
- Mounting hardware (not included, refer to system requirements)
- 2-wire BUS system cabling
2.2 Montage
The module is designed for undercover mounting. Ensure the mounting location is secure and provides adequate space for wiring connections.

Abbildung 1: Front view of the Legrand 351000 Audio Door Speaker Module. This image displays the speaker grille, microphone, and connection points for control buttons, indicating the internal layout for installation.
2.3 Kabelverbindungen
- Stromabschaltung: Before making any connections, ensure that the power to the BUS system is completely disconnected to prevent electrical shock.
- BUS Connection: Connect the 2-wire BUS system cables to the designated terminals on the speaker module. Refer to the BUS system's main unit manual for specific wiring diagrams.
- Tastenanschlüsse: If using external control buttons (e.g., for door release or additional functions), connect them to the appropriate terminals on the module. The module supports up to 4 buttons.
- Sichere Verbindungen: Stellen Sie sicher, dass alle Kabelverbindungen sicher und ordnungsgemäß isoliert sind.
After all connections are made, restore power to the BUS system.
3. Bedienungsanleitung
The Legrand 351000 module functions as an audio interface within a 2-wire BUS intercom system. Its operation is primarily controlled by the main intercom unit and associated call buttons.
3.1 Grundlegende Funktionalität
- Audiokommunikation: When a call is initiated from an indoor unit or a visitor presses a call button connected to this module, two-way audio communication is established.
- Tonausgabe: The integrated speaker provides clear audio output from the indoor unit.
- Mikrofoneingang: The integrated microphone captures audio from the visitor's side.
3.2 Ruftasten
If external call buttons are connected, pressing a button will initiate a call to the corresponding indoor unit(s) as configured in the BUS system.
4. Wartung
The Legrand 351000 module requires minimal maintenance to ensure long-term performance.
4.1 Reinigung
- Wischen Sie die Außenflächen vorsichtig mit einem weichen, trockenen Tuch ab.
- Verwenden Sie keine Scheuermittel, Lösungsmittel oder aggressive Chemikalien, da diese die Oberfläche oder die internen Bauteile beschädigen können.
- Avoid spraying liquids directly onto the module.
4.2 Inspektion
Periodically inspect the module for any visible damage or loose connections. If any issues are found, consult a qualified technician.
5. Fehlerbehebung
This section addresses common issues that may arise during the use of the Legrand 351000 module.
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Kein Ton aus dem Lautsprecher | Loose wiring connection; Faulty speaker; System power issue. | Check all wiring connections. Verify system power. If problem persists, contact support. |
| Das Mikrofon nimmt keinen Ton auf | Obstructed microphone; Loose wiring connection; Faulty microphone. | Ensure microphone is clear. Check wiring. If problem persists, contact support. |
| Call buttons not responding | Incorrect wiring of buttons; Faulty buttons; System configuration issue. | Verify button wiring. Test buttons. Check BUS system configuration. |
| Intermittierender Betrieb | Unstable power supply; Loose BUS connection; Environmental interference. | Ensure stable power. Secure BUS connections. Consult system manual for interference mitigation. |
For issues not listed here or if troubleshooting steps do not resolve the problem, please contact Legrand customer support or a qualified service technician.
6. Technische Daten
- Modell: Legrand 351000
- Produktart: Audio Door Speaker Module
- Systemkompatibilität: 2-wire BUS technology
- Control Buttons Supported: Bis zu 4
- Montageart: Undercover / Wall mount
- Produktabmessungen: 11.5 x 9.1 x 2.2 cm (ungefähr 4.53 x 3.58 x 0.87 Zoll)
- Artikelgewicht: 10 g (0.01 Kilogramm)
- Maximale Ausgangsleistung des Lautsprechers: 80 Watt
- Lautsprechergröße: 6.5 Zoll

Abbildung 2: Dimensional drawing of the Legrand 351000 module, showing a width of 115 mm and a height of 91 mm. This provides precise measurements for installation planning.
7. Garantie und Support
For warranty information, technical support, or service inquiries, please refer to the official Legrand webBesuchen Sie unsere Website oder wenden Sie sich an Ihren lokalen Legrand-Händler. Bewahren Sie Ihren Kaufbeleg als Kaufnachweis auf.





