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Help CenterUT-2204, 4-Port RS-485 / 422 Smart Server, W/Cache, Surging Protection, Serial Port Hub
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Certification:CE,FCC,ROHS
UT-2204, 4-Port RS-485 / 422 Smart Server, W/Cache, Surging Protection, Serial Port Hub
Description:
As a new RS-485 bus splitting hub specially designed to meet requirements of RS-485 systems under complex electromagnetic environments, UT-2204 supports a transmission rate as high as 115.2KBPS. The external switching power ensures the best safety and stability for outdoors projects.
The direction interpreting circuit under RS-485 working mode is able to perform automatic interpretation of data stream direction for circuit control through automatic shift, therefore the transfer delay for RS-485 is solved. RS-485 interface has a transmission distance of more than 1,200 meters with stable performance.
The RS-485 star bus structure can be easily re-shaped and network range split for improvement of communication reliability. This feature enhances the reliability of the current RS-485 network greatly with effective decrease of time consumption for network maintenance. A proper use of UT-2204 RS-485 hub will surely help you present a nice RS-485 system design of uniquely reliable stability.
Specifications:
|
Interface |
compatible with RS-232C and RS-485 standards by EIA/TIA |
|
Electric interface |
RS-232C interface for RJ-45 socket and RS-485 interface for RJ-45 socket. |
|
Transmission media |
twisted-pair cable or shielded cable |
|
Working mode |
asynchronous duplex |
|
Signal indication |
9 signal indicator power (PWR), sending(TXD1), (TXD2), receiving(RXD1), (RXD2)and failure(E1-E4) |
|
Transmission rate |
1200BPS-115.2KBPS |
|
Protection grade |
15KV ESD protection for RS-232 interface and 1500W lighting surge protection for RS-485 interface |
|
Transmission distance |
0-1.2 kilometer (115,200-1200BPS) |
|
Power supply |
DC9-30V 1A |
|
Dimension |
210mm x 140mm x 32mm |
|
Working environments |
-40 to +85 degrees Celsius, relative humidity 5% to 95% |
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