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NANHUA DT20Series Dial Digital Intercom & Paging System
Nanhua Electronics" new generation DT Digital intercom with dial panel is the version upgrade based on the DT Digital Intercom, add the dialing function. For environments that need independent communication networks, or have heavy EMI, such as ports, ships, power and chemical plants, steel mills, offshore platforms, cranes, tunnels and coalmines.
DSP high speed data processing and voice compressing coding techniques help solve voice quality problems caused electro-magnetic interference, environment noise, cable distance and multiple phone stations.
DT digital broadcasting intercom & paging’s power supply and communication share the same 2-wire cable. Non-polarity cable connection type, uses central power supply, plug and play, commissioning free, no expertise needed on installation & after-service. All those features can significantly reduce cabling material and installation cost.
Specifications
| Description | Parameter |
|---|---|
| Operating voltage | DC24V |
| Power supply | Central power supply from power supply box |
| Main Power | AC110V±10% / AC220V±10% |
| Communication distance | Set the system power as circle centre, the MAX semi diameter is 400m |
| System netting numbers | Standard for 8 stations MAX:20 stations |
| Running mode | Long-term without stop |
| Working temperature | -30C ~ +70C |
| IP rate | IP65(Outdoor stationDT002) |
| Humidity | 10% ~ 95% (No coagulation) |
| Material/weight | DT201:ABS;1.9kg |
| - | DT202:PC/ABS;3.9kg |
| - | DT203:Cold rolled steel/powder coating;4.9kg |
| - | DT004:Cold rolled steel/powder coating;3.8kg |
Functions & Features
- System uses two-wire non-shielded cable, each core diameter not less than 1.5mm ^ 2, easy and convenient netting.
- Using advanced OFDM jamming technology, electromagnetic compatibility and anti-jamming capability.
- PCM digital processing technology, using lossless data compression, and no sound quality loss, clear coax bright,maintaining original characteristics of the sound quality.
- Any phone can broadcast calls for the entire region, while supporting three-way calling / broadcasting, fast and convenient, multipurpose of one station.
- Supports point-to-point, cascade, distributed network connection.
- The radio volume can be adjusted according to circumstances at the scene and the actual needs.
- Operating voltage DC24V, centralized power supply system power system power supply AC110V ± 10% or AC220V ± 10%.System power supply equipped with a dedicated backup power supply (DC24V battery) terminals, it can automatically switch between main power and backup power.
- Indoor station integrates telephones and speaker, new appearance, simple structure, easy installation and use.
- Outdoor station comes with lock, can work under harsh enviroment.
Product File
- Model: DT201 / DT202 / DT203 / DT004
- Applications: Update to the new version, button board,reliability of buttons improves, easy mounting and ajustment
- Standard: GB/T 15279-2002
- Certificate:Improve Records: None
- CE certified
- Design patent
- Fault Records: Button is easily broken, the buttons are changed to dual buttons to ensure the reliability
- Quantity/Delivery Day: 5pcs/10Days
Our Company
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Nanhua customer service aims to provide our customers with accessible, efficient and satisfactory technical support and service.
- Quality enhancement: reducing the service requirements after sales.
- Efficient service: Guaranteeing specialized, reliable, prompt and efficient customer service.
- Consulting service: Responding to inquiries about products and services, handling repairs, and resolving complaints about customer service.
- Admissibility of complaints: Solving problems or proposing solutions within 24 hours.
After-sale policy
Dear users, thank you for selecting products from Shanghai Nanhua Electronics Company.
- All Nanhua product users will enjoy services of free repair within one year after the purchase date and lifetime maintenance after sales.
Customization Service
We believe that the more accessible our products are, the less they will cost our customers. For instance, our customers can employ available supply voltage, configure factory tones, employ standard socket interface, and so on.
We are providing the following services:
- Default tone setup and specified tone writing (standard safety tone, music, voice)
- Voltage customization (DC12V,DC24V,AC110V,AC220V,AC380V)
- Color customization (lamp, lampshade and housing)
- Flash warning light frequency setup
- Special voltage customization(DC12V~DC220V,AC24V~AC3000V)
- Volume adjustment
- Control mode modification
- Wattage adjustment
- IP protection enhancement
- Performance enhancement in high and low temperature
- Anti-electromagnetic interference enhancement
- Operating distance extension
- Accessories customization
- Functional circuit addition (Photoelectricity control, redundancy switch)
In order to solve the problems in practical application, we compile the feedback according to hotspots from users.
Principles of installation & operation (Must Read)
- Please strictly comply with Product Instruction Booklet issued by Nanhua during the installation process.
- Please also strictly comply with Product Instruction Booklet issued by Nanhua in selection of wattage and input.
- Please pay more attention to the mounting environment. There are constant malfunctions due to negligence and random installation.
Q. What is covered by your warranty?
Answer:The warranty given as standard ensures that the performance of the light meets the required specifications for the entire 5 year period. Please see Warranty for details.
Q. How does one know when an LED product is out of photometric specifications?
Answer:Our warranty allows for a minimum of 5 years of operation while ensuring the beacon meets the FAA"s minimum photometric requirements. LED"s do not "burn out" similar to incandescent. An LED will have a slight degradation of light output with use. This is similar to the degradation of a strobe tube.
Quick contact information
Jeremy Zhao
Tel: 86-021-39126868 ext 824
Fax: 86-021-39126868 ext 808/818
Skype: jeremynanhua