DT20 series Digital Intercom System
6Pages

E2 NANHUA DT20-E1-V16 DT20 series Digital Intercom System Patent No.: ZL 201030630118.5 Patent No.: ZL 201030630124.0 Mounting dimension ( Unit: mm ) DT202 DT203 Application Digital intercom is network communication system designed for harsh environments and work site with strong EMI, like port, power plant, mining, chemical plant, hoisting machinery, railway tunnel, Steel and Iron Works, etc. Main functions and features • System uses two-wire non-shielded cable, each core diameter not less than 1.5mm A 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 ± 10oA 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. Specifications Operating voltage System formation and function • System : Indoor station DT201* Outdoor station DT202* Driver’s room station DT203* Power DT004 • Indoor station: DT201 1. Built in 8D5W loudspeaker, can be broadcasting and calling in 20 square meter with low noise room,if the room more than 20 square meter, external 8D10W loud speaker is also available. Broadcasting, calling, communication can through the handle, push the button in the handle when broadcasting, calling and communication, off the button, the other side off hook, then can talk. 2. With 12 digitals keyboard, display the calling/called. Directly dial the callee by off-hook. The communication is reached after the opposite side off hook. 3. It is optional to equip the LED indicator to show the calling under the very nois e conditions. • Outdoor station : DT202 1. Waterproof, no built-in speaker, comes with external 8D 10W loudspeaker. And the 8D5W built-in speaker is optional. Broadcasting, calling, communication can through the handle, push the botton in the handle when broadcasting, calling and communication, off the button, the other side off hook, then can talk. 2. With 12 digitals keyboard, display the calling/called. Directly dial the callee by off-hook. The communication is reached after the opposite side off hook. 3. It is optional to equip the LED indicator to show the calling under the very noise conditions. • Cab station: DT203 1. Built-in 8D 5W speaker , meet the requirement of dialing and calling on the driver from other party. Driver can make the external broadcast, calling through the handle. Pressing the middle button of the handle when broadcasting. Finshing the broadcasting, loose the button. When the opposite offhooks, the calling is reached 2. With 12 digitals keyboard, display the calling/called. Directly dial the callee by off-hook. The communication is reached after the opposite side off hook. 3. It is optional to equip the LED indicator to show the calling under the very noise conditions 4. Standard configuration Attachment: 1) external YH25-3 (8D 25W) horn speakers for external regional radio call. 2) each one of gooseneck microphone SED + Pedal switch TFS for the drivers to reach the broadcast and conversation through the foot operation( additional pedal switch is optional for the communication between gooseneck mircophone and other handles) 5. Other optional accessories: 1)handheld microphone SS used for the broadcasting calling (can replace the gooseneckmicrophone SED + pedal switch) 2)Deskside microphone SE-C for the broadcast call / speakerphone(can replace the gooseneckmicrophone SED + pedal switch). 3) The alarm output control uses pedal switch TFS. Shanghai Nanhua Electronics Co., Ltd Tel: +86 021-39126868Fax: +86 021-39126868ext 808/818 Web : E-mail : Add: Building 9, No. 1755Wenbei Rd, Jiading district Shanghai 201802 All rights reserved by Nanhua,without the written authorization of the Nanhua, any part thereof shall not be reproduced or transmitted in any form.

DT20 series Digital Intercom System •Power supply: DT004 1. Major power input AC110V or 220V，max output DC24V,6.5A. No charging function, AC is prior. 2. With a spare power connector can be connected to the 24V battery, battery maximum current is not less than 5A. AC priority, a main power failure, automatically switches to standby power;, automatically switch to the main power supply when the main power is restored. AC priority. Using backup battery power supply, when the battery voltage is below 20V, the system stops working, in order to protect the battery. 3. Customer configure the...

E2 NANHUA DT20-E1-V16 DT20 series Digital Intercom System System function diagram E2 NANHUA DT20-E1-V16 DT20 series Digital Intercom System System network diagram DT203 Driver s room station DT201 Indoor station 220V AC 24V DC YH102A 10W Indoor loudspeaker Shanghai Nanhua Electronics Co., Ltd Tel: +86 02i-39i26868Fax: +86 02i-39i26868ext 808/818 Web : E-mail : Add: Building 9, No. 1755Wenbei Rd, Jiading district Shanghai 201802 All rights reserved by Nanhua,without the written authorization of the Nanhua, any part thereof shall not be reproduced or transmitted in any form.

E2 NANHUA DT20-E1-V16 DT20 series Digital Intercom System Cab room connection diagram ©-© connect to the digital phones ©-© Connect to YH25-3 V (6) with alarm function, connect to alarm switch Turn on the talk switch, gooseneck microphone talk with ^ Talk ' v®/ other phones Hr Turn on the broadcast switch, gooseneck microphone broadcasts Connect to gooseneck microphone. Terminal #11 to"+" of the microphone, x— ‘vy* Terminal #12 to microphone, Terminal #13 to shielding cable ^ 7L— ©-® |_Shie_lde_d_ line Input power L AC110-220V |\|T Shanghai Nanhua Electronics Co., Ltd Tel: +86...