UT-520,External-powered,Serial Port Hub, Photoelectric Isolation, Asynchronous Half-duplex

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)

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?

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