3onedata 277/B Посібник

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I I I ntroduction

ntroduction: : :

ntroduction

Model277/B is one kind can offer RS-485/422 serial port carry

transparent optic fiber modem of transmission to get end to user, no

need patch cords set up, switch over automatically, and can detect

and examine the signal speed automatically, zero delays time to

transmit automatically.

have 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

reliably.

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

controlling, traffic controlling and intellectual district , especially

suit the bank, electricity and

department

electromagnetically.

Packing

Packing L L L ist

ist: : :

ist

Packing

Model277/B is shipped with following items.

1. Model277/B×1

2. 5VDC power adapter ×1

2. User manual ×1

F F F eatures:

eatures:

1. Extend RS-485/422 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

500Kbps

3. 600W surge protection, 1500W surge protection

Model277/B adopt optic fiber transmit,

and

system

Your Serial and Data Communications Expert

Model277/B

RS-

485/422 to to to Fiber

485/422

RS-485/422

RS-

(SM & & & MM)

(SM

interfering with environment

with

the

Shenzhen 3onedata Technology Co.,Ltd

Fiber

Converter

Fiber Converter

Converter

MM)

special

requirement