1. Introduzione
This manual provides detailed instructions for the installation, operation, and maintenance of your Commax DP-2S Audio Handset (indoor unit) and DR-201D Intercom Panel (outdoor unit). Please read this manual thoroughly before installation and use to ensure proper function and longevity of the product. Keep this manual for future reference.
2. Informazioni di sicurezza
Observe the following safety precautions to prevent damage to the product or injury to users:
- Assicuratevi chì l'alimentazione sia scollegata prima di fà qualsiasi installazione o manutenzione.
- Do not expose the units to water, high humidity, or extreme temperatures.
- Ùn pruvate micca à apre o riparà l'unità da per voi. Affidate tutta a manutenzione à persunale qualificatu.
- Use only specified wiring and components for installation.
- Mantene u pruduttu luntanu da campi magnetichi forti.
3. Cuntenutu di u pacchettu
Verificate chì tutti l'articuli sò presenti in u pacchettu:
- Commax DP-2S Audio Handset (Indoor Unit)
- Commax DR-201D Intercom Panel (Outdoor Unit)
- Viti di Muntamentu è Ancore
- Manuale d'uso (stu documentu)

Figura 3.1: Commax DP-2S Audio Handset (left) and DR-201D Intercom Panel (right). The indoor unit features a white casing with a telephone-style handset and a call button. The outdoor unit is a rectangular panel with a speaker grille, microphone, and a call button.
4. Setup è Installazione
Proper installation is crucial for optimal performance. It is recommended that installation be performed by a qualified technician.
4.1. Wiring Diagram (General)
The Commax DP-2S and DR-201D typically use a 2-wire connection for audio and power. Ensure correct polarity and secure connections. Refer to the specific wiring diagram provided with your product packaging for detailed instructions, as variations may exist.
- Filu 1: Audio/Power (+)
- Filu 2: Ground/Power (-)
Nota: For longer cable runs, use thicker gauge wire to minimize signal loss.
4.2. Outdoor Unit (DR-201D) Installation
- Sceglie u locu: Select a suitable location near the entrance, protected from direct rain and sunlight if possible, at a height convenient for visitors.
- Muntamentu:
- Aprite cù cura l'unità esterna casing to access the mounting holes.
- Mark the drilling points on the wall using the unit as a template.
- Fate i fori è inserite i tasselli murali se necessariu.
- Fissate l'unità esterna à u muru cù e viti furnite.
- cablaggio: Connect the 2-wire cable from the indoor unit to the designated terminals on the outdoor unit. Ensure connections are tight and insulated.
- Chiudi Casing: Securely close the outdoor unit casing.

Figura 4.1: Primu pianu view of the Commax DR-201D Intercom Panel. This unit is designed for outdoor installation, featuring a speaker grille, a small microphone opening, and a call button for visitors to initiate communication with the indoor unit.
4.3. Indoor Unit (DP-2S) Installation
- Sceglie u locu: Install the indoor unit in a convenient location within the building, typically near the main entrance or in a central area.
- Muntamentu:
- Marcate i punti di perforazione nantu à u muru.
- Praticate i buchi è inserisci ancoraggi à u muru.
- Secure the mounting bracket (if separate) or the unit directly to the wall.
- cablaggio: Connect the 2-wire cable from the outdoor unit to the designated terminals on the indoor unit. Ensure correct polarity.
- Cunnessione di putenza: Connect the power adapter (if external) or ensure the unit is connected to the building's power supply as per local electrical codes.
- Piazzamentu Finale: Place the handset onto the base unit.
5. Operating Instructions
5.1. Riceve una Chjama
- When a visitor presses the call button on the DR-201D outdoor unit, the DP-2S indoor unit will ring.
- Lift the handset of the DP-2S indoor unit to answer the call.
- Speak into the handset to communicate with the visitor.
- To end the call, place the handset back onto the base unit.
5.2. Making a Call (from Indoor Unit)
The Commax DP-2S / DR-201D system is primarily designed for visitors to initiate calls from the outdoor unit to the indoor unit. The DP-2S indoor unit typically does not have a function to initiate a call to the outdoor unit.
5.3. Ajuste Volume
The DP-2S indoor unit may feature a volume control switch or dial, usually located on the side or bottom of the handset base. Adjust to a comfortable listening level during a call.
6. Mantenimentu
Regular maintenance ensures optimal performance and extends the product's lifespan.
- Pulizia: Use a soft, dry cloth to clean the surfaces of both units. Do not use abrasive cleaners, solvents, or harsh chemicals.
- Ispezione: Periodically check wiring connections for looseness or damage. Ensure the outdoor unit is free from debris that might obstruct the speaker or microphone.
- Prutezzione di l'ambiente: While the outdoor unit is designed for outdoor use, protecting it from extreme weather conditions (e.g., heavy rain, direct prolonged sunlight) can prolong its life.
7. Risoluzione di prublemi
Sè avete prublemi, riferitevi à i seguenti prublemi cumuni è suluzioni:
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| No ring from indoor unit when outdoor button is pressed. | No power to indoor unit; loose wiring; faulty outdoor button. | Check power supply to DP-2S. Verify all wiring connections are secure. Inspect outdoor unit button for damage. |
| Nisun audio o una qualità audio scarsa. | Loose wiring; damaged speaker/microphone; incorrect volume setting. | Check all wiring connections. Adjust volume on DP-2S. Ensure speaker/microphone on both units are clear of obstructions. |
| Operazione intermittente. | Loose connections; power fluctuations; environmental interference. | Secure all wiring. Ensure stable power supply. Check for external sources of interference. |
Sè u prublema persiste dopu avè pruvatu ste suluzioni, cuntattate l'assistenza clienti o un tecnicu qualificatu.
8. Specificazioni
| Feature | Detail |
|---|---|
| Marca | Commax |
| Modellu (Unità Interna) | DP-2S |
| Modellu (Unità Esterna) | DR-201D |
| Tipu | Sistema Intercom Audio |
| Culore | Biancu |
| Materiale | Plastica |
| Pesu di l'articulu | 850 g (approximate, for the combined package) |
| Dimensioni di u pacchettu | 34 x 19.2 x 7 cm (circa) |
| Fonte d'energia | Wired (no batteries required for operation) |
9. Garanzia è Support
Commax products are designed for reliability and performance. For warranty information, please refer to the warranty card included with your purchase or visit the official Commax website. For technical support, service, or replacement parts, please contact your local Commax distributor or authorized service center. Provide your product model number (DP-2S / DR-201D) and purchase details when seeking support.
Websitu: www.commax.com





