Fibre-optic line protection module

Fibre-optic line protection module

Supplier
Glsun
Category
Optical Fibers
Origin
China

OLP is a fibre-optic circuit protection module that allows real-time monitoring of the light power and automatic PV switching. When a fibre-optic line fails, OLP will quickly switch the communication line from the main fibre-optic to the back-up fibre-optic, thereby ensuring continuity of communication.

Specification Snapshot
Operating Temperature
-10 ~ 70 ℃
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Overview

OLP is a fibre-optic circuit protection module that allows real-time monitoring of the light power and automatic PV switching. When a fibre-optic line fails, OLP will quickly switch the communication line from the main fibre-optic to the back-up fibre-optic, thereby ensuring continuity of communication.

Specifications

ParameterValue
Package TypeModule
Apply wavelength1260~1360nm / 1490~1640nm
Operating Temperature-10 ~ 70 ℃
Package Dimensions13.5 mm × 75 mm × 55 mm

Applications

The input source is divided into two paths through a 1x2 spectrometer (IN→TXA/TXB). ...the power of the RXA/RXB output is monitored and fed back to the management system through an I2C interface. The system provides light-routing functionality by controlling the light switch by supporting the circuit.

Key Features

The IN signal passes through a 50/50 splitter to TXA and TXB. RXA goes to Tap1, with 1% for optical-power monitoring and 99% to a 1x2 optical switch. RXB similarly goes through Tap2 with 1% monitoring and 99% to the switch. OUT emits the selected RXA or RXB path. Analog PD measurements are digitized by an AD converter and sent to management over I2C. A built-in driver controls switch state through electrical pins and timing signals. I2C EEPROM retains the linear ranges of two specified PDs. An online function supports management-system status judgment. EEPROM stores 54 optical-power data points; AD-monitored power is compared with these to identify the range and report it to management.

Datasheet

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Supplier Information

Founded in 2001, Guilin GLSUN Science and Tech Group Co., Ltd. is a professional semiconductor optical chip full-process service provider in China. The company focuses on the integration of optoelectronic technology and intelligent computing, continuously innovating in core fields such as optical chips, optical switches, and optical isolators, while building comprehensive capabilities covering epitaxy, chip manufacturing, packaging, and testing. In the era of AI and big data, GLSUN is strategically focused on computing networks and data center applications, providing high-speed, low-power, and highly reliable optical interconnection solutions for general computing, supercomputing, and AI computing scenarios. Our core products include optical circuit switches OCS, MEMS optical switches, optical isolators and optical chips, while also advancing cutting-edge technologies such as WSS and thin-film lithium niobate chips. With strong in-house R&D and large-scale manufacturing capabilities, GLSUN is accelerating its transformation from a traditional optical communications company into an intelligent photonics innovation platform, supporting the next generation of digital infrastructure and AI computing development.

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Fibre-optic line protection module
Glsun · Optical Fibers
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