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Help CenterUT-520,External-powered,Serial Port Hub, Photoelectric Isolation, Asynchronous Half-duplex
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Certification:CE,FCC,ROHS
UT-520, External-powered, Serial Port Hub, Photoelectric Isolation, Asynchronous Half-duplex
Specifications:
|
Interface features |
compatible with RS-485 standard of EIA/TIA |
|
Electric interface |
10-bit wiring post connector for both input and output ends of RS-485 |
|
Protection Grade |
Impose a protection of 600W on each line of RS-422 and RS-485 interfaces for lightning surge, 15KV ESD protection |
|
Isolation degree |
an isolation voltage of 2,500 Vrms, 500VDC non-stop and DC/DC isolation module |
|
Working mode |
asynchronous half-duplex |
|
Signal indication |
5 indicator lights for Power (PWR), 2 for Send (TXD) and another 2 for Receive (RXD) |
|
Transmission media |
twisted-pair cable or shielded cable |
|
Transmission rate |
300-115.2K BPS |
|
Dimensions |
120mmX72mmX22mm |
|
Working environment |
-40℃ to 85℃, relative humidity 5% to 95% |
|
Transmission distance |
0-5,000meters (115,200bps-9,600bps) |
Pin assignment of 2-port RS-485 input end
|
Wiring post (PIN) |
Signal definition |
RS-485 half duplex cable |
|
1 |
T/R+ |
RS-485(A+) |
|
2 |
T/R- |
RS-485(B-) |
|
3 |
GND |
Grounding cable |
|
4 |
T/R+ |
RS-485(A+) |
|
5 |
T/R- |
RS-485(B-) |
|
6 |
GND |
Grounding cable |
|
7 |
N/C |
|
|
8 |
N/C |
|
|
9 |
N/C |
|
|
10 |
ETH |
Ground |
Pin assignment of 2-port RS-485 output end
|
Wiring post (PIN) |
Signal definition |
RS-485 half duplex cable |
|
1 |
T/R+ |
RS-485(A+) |
|
2 |
T/R- |
RS-485(B-) |
|
3 |
GND |
Grounding cable |
|
4 |
T/R+ |
RS-485(A+) |
|
5 |
T/R- |
RS-485(B-) |
|
6 |
N/C |
|
|
7 |
N/C |
|
|
8 |
Eaeth |
Ground |
|
9 |
VCC |
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