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