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Serial Optic Fiber Modem RS485/RS422
Serial Optic Fiber Modem RS485/RS422
Serial Optic Fiber Modem RS485/RS422

Serial Optic Fiber Modem RS485/RS422(DT-SFM-RS485/RS422), 

is a sort of more function and economy RS-485/422 interface

Model: DT-SFM-RS485/RS422 Brand: DAYTAI
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Product Description

Serial Optic Fiber Modem RS485/RS422(DT-SFM-RS485/RS422), is a sort of more function and economy RS-485/422 interface

 optic fiber MODEM. It is the best choice to connect RTU to HOST or SCADA controller. It used Optic fiber as transfer medium,

 increase the transfer function of system. Communication equipment abstain menace effective to lightning strike, surge, 

electromagnetism disturb under the secure environment.Working wavelength: 1310nm ,Transmit distance: RS-485/422, Port: 

1200m, Optical port multi-mode 2KM, Single-mode :20KM,Support 5V DC power input,1500W surge protection, 15KV static 

protection,L*W*H: 100mm*69mm*22mm,Weight:230g.Power Plug:European Standard Plug or American Standard Plug is optional.

 

Features

⊙ Support 5V DC power input

⊙Working wavelength: 1310nm

⊙Support RS-485/RS-422 interface

⊙ Auto test signal rate, zero delay auto transmit

⊙ Asynchronous, point to point, rate up to 120Kbps

⊙ 1500W surge protection, 15KV static protection

⊙ RS-485/422 port support 32 node (can choice hand-tailor 128 Node)


Specification

Item

Specification

Performance guideline

Interface

support EIA RS-485, RS-422 standard

Rate

0-120Kbps

Transmit distance

RS-485/422 port 1200m, optical port multi-mode 2KM, single-mode 20KM

Working environment

-25℃ to 70℃

Appearance guideline

Interface type

5 bit terminal block (RS-485/422), multi-mode choice ST/SC/FC interface, single-mode choice FC/SC/ST interface

L*W*H

100mm*69mm*22mm

Shell

Iron

Color

White

Weight

230g

Pin define

Optical fiber interface

IN

Optical fiber input

OUT

Optical fiber output

RS-422 port

T+

RS-422 Send +

T-

RS-422 Send -

R+

RS-422 Received +

R-

RS-422 Received –

GND

Ground

RS-485 port

D+

RS-485+

D-

RS-485-

GND

Ground

Indicator light explain

Powe

Power indication

RxD

Optical fiber interface receive indication

TxD

Optical fiber interface send indication


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