3onedata 277/B Manual

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:
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
Model277/B Model277/B
RS- 485/422 to to to Fiber 485/422
RS-485/422 RS-
(SM & & & MM) (SM
(SM
interfering with environment
with the
Shenzhen 3onedata Technology Co.,Ltd
Fiber Converter
Fiber Converter Converter
MM)
MM)
special requirement