3One data 277/A Manuel utilisateur

Your

Serial and Data Communications Expert

Shen zhen 3onedata Technology Co.,Ltd

Model277/A

RS-232

Fiber

Converter

(SM

MM)

ntroduction

M odel 277 /A is one kind can offer RS-232 serial port carry

transparent optic fib er modem of transmission to get end to user, it

is the best choice to connect RTU to HOST or SCADA controller .

Model277/A adopt optic fib er transmit, hav e isolate protection, data

privacy is fine , working steady, data , such threats to communication

equipment as the wave is welled up and interfered with

electromagnetically that the effective one has prevented the

abominable environment from being struck by lightning, can work

in the abominable and dangerous environment r eliably.

Can be used in occasions such as various industrial control, course

controlling, traffic controlling and intellectual district , especially

suit the bank, electricity and interfering with environment

department and system with the special requirement

electromagnetically .

Packing

ist

Model 277/A is shipped with following items.

1. Model277/A ×1

2. 5VDC power adapter ×1

2. User manual ×1

eatures:

1. Extend RS-232 transmission

up to 120km with single-mode( SM )

up to 2km with multi-mode(MM)

2. Transmit asynchronously, point-to-point to use, speed reach

120 Kbps

3. 600W surge protection, 1500W surge protection

4. Plug-and-Play (Device is hot-pluggable , Data format Auto-

sensing & Self-adjusting )

Your

Serial and Data Communications Expert

Shen zhen 3onedata Technology Co.,Ltd

inout

Configuration:

Power

the power supply input is 5VDC-IN.

Power:

DCIN

5VDC input

RS-232,Optical

fiber

interface

Optical

fiber

interface:

Optic fib er interface need use in pairs, OUT port is fiber send side ,

connect another long-range light of interface fiber receive end IN;

IN port is fiber receive side , connect long-range same fiber send

side :

Optic fib er s spent both ends mark the label (the following picture

show: A-A, B-B, can also mark another: A1-A2, B1-B2), in order to

use.

NOTE:

SC, ST or FC, for optic fiber interface, SM is look the

same to MM for form. For example,Model277 SM /A /SC, the optic

fiber interface(SC) is look the same to Model277 MM /A /SC.

Your

Serial and Data Communications Expert

Shen zhen 3onedata Technology Co.,Ltd

RS-232:

MODEL277/A RS - 232 port is DB9 f e male .

RS-232 output (TXD)

RS-232 input (RXD)

Signal ground (GND)

LED

indications:

Specifications:

Standards : EIA RS - 232C standard

Transfer rate: 0~12 0 K bps, auto test serial signal rate detect signal

speed automatically, zero delay time,

Transfer distance: RS-232 side: no less than 5m

Fiber optic:20,25,40,60,80,100,120km(SM),

2,5 km(MM) optional

Fiber connector: 2 ×SC, 2 ×

ST,

2×FC optional

Wavelength:1310nm

Fiber optic cables: Single Mode:8.3/125,8.7/125,9/125 or 10/125

Muti-Mode:50/125,62.5/125 or 100/125 um

600 W surge protection;1500W static protection

Power input: +5VDC power supply input

Dimensions: 94.0mm ×71mm ×26.0mm

Operating temp: -25 ° C to70 ° C

Power

Green , Power supply indication

On: power joined; Off: no power connect

RxD

G reen light, optic fib er interface receive

data point out and concurrently mere port

report an emergency and ask for help or

increased vigilance, on: There are data that

are received; Off : Have data receive

TxD

Green light, optic fib er interface send

datum instruct

On: Have data send ; Off: no data send

Your

Serial and Data Communications Expert

Shen zhen 3onedata Technology Co.,Ltd

Storage temperature: -40 to 85 ° C

Operating humidity : 5% to 95% (no condensation)

Warranty: 5 years

Approvals: FCC,CE, RoHS approvals

Applications

Extending

the

RS-232

data

distance

Installation

Model277/A provides DIN-rail and wall mounting two types of

installation.

Wall

mounting

installation

Your

Serial and Data Communications Expert

Shen zhen 3onedata Technology Co.,Ltd

DIN-Rail

Installation

Troubleshooting

instructions:

1. Electric port and optic port inconnection, insert the power

supply, PWR light, RXD light.

2. Use optic fiber short the optic port IN and

OUT,

RXD OFF.

3. If the up stream port is RS-232, connect the up stream port to

PC RS-232 port correctly, Using “ Start ” → “ accessory ”

→ “ communication ”

open the typical termianl, choice the

correct COM port and 9600bps speed ，shorting the optic IN

and Out, input character in the typical termianl window, you

will see the data indicate, if you donot see the data indicate,

the products is failure.

Model277/A

FAQ:

LED

indicator

OFF

1. Power supply insert incorrect

2. Choice incorrect power supply ( 5 VDC )

LED

indicator

instruction

1. PWR ON: Product work normally

2. TXD indi c ator flash: optic port transfer data

3. RXD indicator flash: optic port receive data

4. RXD ON: optic connection incorrect （electric port in

connection, used to optic port alarm indicator ）

Communication

failure

Your

Serial and Data Communications Expert

Shen zhen 3onedata Technology Co.,Ltd

1. Using incorrect power supply

2. Optic port or electric port connection incorrect.

3. Optic fiber port do not inosculate to the equipment interface

4. The equipment come from different supplier

5. Single-mode optic fiber uses multi-mode equipment or multi-

mode optic fiber uses single-mode equipment

6. The optic fiber connector is incorrect, high error code,

attenuation large.

Certifications:

Shenzhen

3onedata

Technology

Co.,Ltd

Tel: +86-755-26702688 Fax: +86-755-26703485

www.3onedata.com

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