3onedata 277/B Manual
Your Serial and Data Communications Expert
Shenzhen 3onedata Technology Co.,Ltd
Model277/B
Model277/B
Model277/B
Model277/B
RS-
RS-
RS-
RS-
485/422
485/422
485/422
485/422
to
to
to
to
Fiber
Fiber
Fiber
Fiber
Converter
Converter
Converter
Converter
(SM
(SM
(SM
(SM
&
&
&
&
MM)
MM)
MM)
MM)
III
I
ntroduction
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.
Model277/B adopt optic fiber transmit,
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
interfering with environment
department
and
system
with
the
special
requirement
electromagnetically.
Packing
Packing
Packing
Packing
L
L
L
L
ist
ist
ist
ist
:::
:
Model277/B is shipped with following items.
1. Model277/B
×
1
2. 5VDC power adapter
×
1
2. User manual
×
1
F
F
F
F
eatures:
eatures:
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