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LFM series RS-232 / 422 / 485 serial optic fiber MODEM - LFMRS244

Lightem LFM series is a RS232 Fiber Modem that converts the RS232 / 422/ 485 serial signal over Fiber Optics interface. LFM series modem supports asynchronous RS-232/422/485 communication interface (Serial port communication rate up to 921.6KBPS). It is used to
connect remote terminal unit (RTU) to a host (HOST) or a distributed data acquisition system (SCADA) controllers via Multimode and Singlemode FIber.

Features

Support RS-232/RS-485/RS-422 ports
Support synchronization, point-to-point, point-to-multiple transmission
Automatic signal detection rate
Prevent electrical interference and chemical corrosion
Serial port transmission rate up to 256 KBPS
1500W surge protection, 15KV electrostatic protection
Support multi-mode 2KM (dual fiber), single mode 20KM (single fiber, dual fiber) product selection
Multi-mode transmission distance up to 2KM, single mode transmission distance up to 120KM (customized)

Specifications

Parameters	Values
Wavelength	1310-1550nm
Rate	155Mbps
Tx power	＞-8db
Rx sensitivity	＞-24db
Fiber connector	SC（FC/ST optional）
Data index Standard	Meets EIA RS-232，RS-485，RS-422 standards
Physical interface	7-Pin industry terminal
Power Input voltage	5V
Power consumption	<1.5W
Chassis	Aluminum alloy
Product net weight	0.25kg
Operating temperature	-20°C ~75°C
Storage temperature	-40°C ~85°C
Humidity	5 to 95%（non-condensing）
Size	1059025 mm

Related Products

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LFR series RS232/485 Serial Optic Fiber Redundant Ring Converter – LFRMRS24

Lightem LSLTE-WR Industrial WiFi Wireless 4G LTE Router – LSLTE-WR

Fiber-CAN converter

TTL fiber converter – LBTTL

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All the information contained in this website is provided for general information and reference purposes only, Lightem Systems Limited does not warrant or represent that the information provided in this website is complete and accurate, nor that the information is up to date. Lightem Systems Limited assumes no responsibility for the information contained in this website and disclaims any or all liability in respect of such information.