Product introduction
The HT403-R3-B series is a serial port to optical fiber converter, which has the ability to transform serial ports (RS-232 or RS422/485) and optical fiber (multimode or single mode) signals. The ADM-3142 interface converter can extend the transmission distance of the serial port to a maximum of 2 km(multi-mode fiber) or 20 km(single-mode fiber).
HT403-R3-B serial port fiber MODEM can connect remote terminal unit (RTU) to host (HOST) or data acquisition system (SCADA), support PPI, MODBUS and other communication protocols.35 mmstandard rail installation, DC9~48V power supply, excellent performance, work stability, can meet the industrial environment requirement.
Features
1. Fiber interface support double fiber (SC/ST/FC) or single fiber (SC/ST/FC)
2. Serial port support 2Ch RS485 or 1Ch RS422 or 1Ch RS232 interface
3. When used, it can be one side RS-232, one side RS-485
4. Zero delay automatic forwarding, asynchronous point to point transmission
5. Automatic detection serial port rate
6. RS485 rate 0~250Kbps, RS232 rate 0~115.2Kbps
7. Interface provides 600W surge protection, 15KV ESD protection
8. DC9~48V power supply
9.35 mmDIN rail installation
Product specification
Interface: EIA RS-232, RS-485, RS-422 standard
Rate: RS-485/422:0~250Kbps, RS232: 0~115.2Kbps
Distance: RS-232<10m, RS-485/422<1000m
Load capacity: RS485 supports up to 32 terminal polling methods
Fiber interface: single fiber or double fiber (SC/FC/ST)
Fiber distance: multi-mode 0-2 km, single-mode 0-20 km
Power supply: DC9~48V power supply, DC12V@150MA (Max)
Operating temperature: -20 to 75 DEG C
Dimensions: L103xW72xH27 (mm)
Connection definition
Note: ADM-3142 provides 2 channels of independent RS-485 interface, which can be used as a channel RS-422. Channel 1 supports RS-485 or RS-232, channel 2 supports RS-485, channel 1 and channel 2 constitute RS-422.
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Pins
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Power
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RS-485
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RS-422
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RS-232
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CH1 D+
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—
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Port 1 RS-485+
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TX+
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—
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CH1 D-
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—
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Port 1 RS-485-
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TX-
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—
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CH1 RXD
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—
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—
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—
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RXD
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CH1 TXD
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—
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—
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—
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TXD
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CH1 GND
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—
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—
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—
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GND
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CH2 D+
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—
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Port 2 RS-485+
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RX+
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—
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CH2 D-
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—
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Port 2 RS-485-
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RX-
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—
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VS+
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DC 24V+
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VS-
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DC 24V-
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|
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LED instructions
Note: CH1 and CH2 are always bright, which means that optical fibers are not connected.
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LED
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Description
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PWR
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bright red is the normal power supply
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Ch1
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Flash is channel 1 active, always bright is RS-485 Polar inverse
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Ch2
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Flash is channel 1 active, always bright is RS-485 Polar inverse
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Model definition
HT403-R3-B-3M02-xx: RS232/422/485 to fiber, MM 2KM, XX=SC/ST/FC
HT403-R3-B-3S20-xx: RS232/422/485 to fiber, SM dual fiber 20KM, XX=SC/ST/FC
