GB-RS-232/485/422 Over Fiber Modem, Asynchronous Rate Up to 120Kbps, External Power

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Basic Info

Payment Type:	T/T in Advance

Product Description

Features:

RS-232/485/422 serial optic fiber modem
Supports RS-232/RB-485/RB-422 interface
Asynchronous, point to point, rate up to 500Kbps
RS-485/422 port supports 32 node (can choice hand tailor 128 node)
Working wavelength: 850/1,310nm
Auto test signal rate, zero delay auto transmit
This is a sort of more function and economy RS-232/485/422 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 scurviness environment

Function and characteristics:

Supports RS-232/RS-485/RS-422 interface
Asynchronous, point to point, rate up to 500Kbps
Supports 9 to 40V power input, consumption 2W
1,500W surge protection, 15kV static protection
RB-485/422 port supports 32 node (can choice hand tailor 128 node)
Working wavelength: 850nm (multi-mode)
1,310nm (single mode)
1,310/1,550nm (single mode, single fiber)
Auto test signal rate, zero delay auto transmit
Performance guideline
Interface: support EIA RB-232, 485, 422 standard
Rate: 0 to 500Kbps
Transmit distance: RB-232 port 15m,
RB-485/422 port 1500m, optical port multi-mode 2KM, single-mode20KM
Working environment: -25 to 70°C
Interface type: 8-bit terminal block, multi-mode choice ST/SC/FC interface, single-mode choice FC/SC/ST interface
Size: 100 x 69 x 22mm
Shell: iron
Color: white
Weight: 230g

Pin define:

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
Optical fiber interface:
- In: optical fiber input
- Out: optical fiber output
Indicator light explain:
- Power: power indication
- RxD: optical fiber interface receive indication
- TxD: optical fiber interface send indication