Security products involving access control card readers & access controller system

4-port RS-485 hub

Type: UT-5204

Description:

1. Compatible RS-232 and RS-485 standard of EIA/TIA.
2. Automatic data transceiver without external volume control signal (RTS) and three-line (TXD, RXD and GND)communication.
3. Input interface: RS-232 and RS-485 interfaces.
4. Output interface: 4-port, RS-485 interfaces.
5. Baud rate: 300BPS-115.2KBPS.
6. A maximum connection of 128 pieces of RS-485 interface devices.
7. Communication distance: 5 KM(9,600BPS).
8. Power indicator light, data traffic indicator light and malfunction indicator light available.
9. Working mode: asynchronous half-duplex (RS-485).
10. Enhanced photoelectric isolation (an isolation voltage as high as 2.5KVrms /500VDC isolation), dedicated DC/DC module, 600W lightning strike and surge protection and ±15KV ESD protection and grounding interference protection for each RS-485 line.)
11. Electric interface: double 10-bit wiring terminal.
12. Transmission media: STP.
13. Dimensions: 120mm×80mm×25mm.
14. Working environment: -40℃ to 85℃, relative humidity 5% to 95%.
15. Plug-and-play and universally applicable on all the existing communication software.
16. Supporting DOS/WIN95/WIN98/WIN2000/NT/XP and Linux, etc.