STENTO Zenitel STB – 6GN Parallel Station Ver. 02
Product Overview
The STENTO Zenitel STB-6GN Parallel Station, Version 02, is a high-performance, parallel-connected intercom station designed for demanding communication environments. As a key component of the renowned Zenitel STENTO product line, this 6-button station enables seamless, hands-free communication and parallel operation with other stations on the same line.
Engineered for reliability in harsh conditions, it is an ideal solution for industrial plants, marine vessels (shipboard intercom), offshore platforms, power stations, and other critical infrastructure where clear and instant voice communication is essential.
Primary Use Case:Â Extending an existing intercom line with multiple stations that can all listen and speak simultaneously.
Key Features & Benefits
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6 Programmable Call Buttons:Â Allows for direct calling to six different stations or groups. The green LED indicators provide clear visual status (Call, Busy, Acknowledge).
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Parallel Operation:Â Multiple STB-6GN stations can be connected on the same two-wire line, enabling conference-style, hands-free communication between all parties. Perfect for group coordination and monitoring.
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Robust Metal Housing:Â Built with a durable, weather-resistant metal casing (typically aluminum) to withstand dust, moisture, vibration, and corrosive atmospheres. Common certifications include IP66/IP67 for ingress protection.
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Hands-Free & Full-Duplex Communication:Â Features a built-in loudspeaker and high-sensitivity microphone for natural, walkie-talkie style conversation without the need to lift a handset.
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Call & Listen Priority:Â The “CALL” function mutes the local microphone to listen carefully to the calling station. The “FORCED LISTEN” function allows a station to listen in on another station’s conversation.
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Easy Integration:Â Designed to be fully compatible with other Zenitel STENTO series stations (like the STB-2, STB-3, etc.) and central exchange systems, ensuring flexible system expansion.
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Enhanced Version 02:Â This updated version includes improvements in component reliability, audio clarity, and overall stability for even greater longevity.
Technical Specifications
| Category | Specification |
|---|---|
| Model | STENTO Zenitel STB-6GN |
| Version | 02 |
| Number of Buttons | 6 Call Buttons + CALL/F.LISTEN Button |
| Connection Type | Parallel (2-Wire Loop) |
| Operating Voltage | Typically 24V DC (System Dependent) |
| Audio | Built-in Loudspeaker and Microphone |
| Housing | Rugged Metal (Aluminum), Powder-Coated |
| Ingress Protection | High IP Rating (e.g., IP66/IP67 – confirm with datasheet) |
| Communication | Full-Duplex, Hands-Free |
| Mounting | Surface Mount or Panel Mount |
| Operating Temp. | -25°C to +70°C (Industrial Grade) |
| Compatibility | Zenitel STENTO System, Turbining |
Target Applications & Industries
This intercom station is vital for environments requiring reliable, instant voice communication:
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Marine & Shipping:Â Engine control rooms, bridge wings, deck areas, mooring stations.
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Industrial Manufacturing:Â Production floors, control rooms, hazardous areas (Ex-areas with appropriate certification).
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Oil & Gas:Â Offshore platforms, refineries, pump stations.
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Power Generation:Â Nuclear, hydro, and thermal power plants.
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Tunnels & Transportation:Â For emergency communication and operational coordination.

















