Local Change HUB 4 Ports RS-232/485 (UT-2204)

 

UT-2204 is a RS-485 bus split hub designed for RS-485 system used in demanding environments. It supports a data communication rate up to 115.2KBPS and has data buffers and microprocessors. It uses external switching power supply for safety and reliability and is ideal for engineering applications. The built-in discrimination circuit can automatically sense the direction of data flow and switch the enable control circuit to ensure the switch of transmit and receive in RS-485 mode. The communication distance of RS-485 can exceed 1200m for stable performance, so it’s widely used in applications such as video supervision system as a high-performance data interface converter. UT-2204 RS-485 HUB provides star-type RS-485 bus connection. Users can improve the RS-485 bus structure and split bus segments conveniently to improve the communication reliability. This feature significantly improves the reliability of existing RS-485 network and reduces maintenance interval. Reasonable use of UT-2204 RS-485HUB can help to design a unique, highly reliable RS-485 system. 

 

Thông Số Kỹ Thuật
1.   Interface: Compatible with RS-232 and RS-485 standards of EIA/TIA
2.   Electric connection: DB9/F socket for RS-232C interface, wiring terminal for RS-485 end 
3.   Transmission media: twisted-pair cable or shielded cable 
4.   Operation mode: Asynchronous half-duplex 
5.   Signal indicator: 9 signal LEDs: power (PWR), transmit(TXD1),(TXD2), receive (RXD1),(RXD2) and error (E1-E4) 
6.   Data rate: 1200BPS-115.2KBPS 
7.   Protection class: ±15KVESD protection;1500W lightning surge protection for RS-485 interface 
8.   Transfer distance: 0-1.2 Kilometers (115200-1200BPS)
9.   Power supply: DC9-30V 1A Dimension：210mmx140mmx32mm 
10.  Working environment: -40⁰C to 85⁰C,relative humidity of 5% to 95%

Download datasheet:UT-2204

Download Hướng dẫn: UT-2204

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