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Home >   Products >   OLM Optical Line Monitoring System
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容器 30@2x.webp

OLM Optical Line Monitoring System

Part of the DCI-BOX transmission

Optical cable monitoring system combines optical cable monitoring, alarm, fault analysis, positioning, fault management, line maintenance and line management to ensure the safe and efficient operation of the optical cable network. It can automatically monitor the communication optical cable 24 hours a day and automatically switch and protect the optical fiber.

It can timely and accurately report the sudden optical cable fault, effectively shorten the fault duration, and It is necessary to find the potential faults that are hidden and not yet detected, but will cause communication interruption, and give accurate early warning, so as to achieve active maintenance and take preventive measures.

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Schematic Diagram Product Features Technical Specifications Related Euipment Related Download
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Product Features

• High-integration

Business card precision design, small size, high density.

• Strong versatility

It supports dozens of cards and is compatible with OTN and OLM.

· Diversified product forms

It can provide different product forms of 1RU, 2RU,3RU, 5RU, suitable for different application combinations.

• Flexible upgrading and expansion

It adopts plug and play design, easy to use, easy to upgrade, and short cycle of new function card.

Technical specifications

FunctionDescription
Equipment Size(W × D× H, mm)Support 1U/2U/3U/5U design
Max channel number CWDM

18 wavelength, DWDM: 96 wavelength(50GHz）

Card
OTDR Card/OSW Card/OPM(OPD、OPC)Card/OS Card/WDM Card/OLP Card
Clock featuresSupport IEEE 1588V2
Network topology

Point to point, chain type, star type, ring type

Network level protectionOptical channel 1+1 protection, optical multiplex 1+1 protection, optical line 1+1 protection
Equipment level protection Power supply backup
Network management

SNMP, Web, CLI, Telne

Installation

19"and 23" cabinets, ETSI 600mm cabinets Wireless outdoor base station cabinet, FTTX outdoor cabinet, hanging wall

Working temperature range

-10℃～60℃

Working humidity range5~95% no condensation
Storage temperature range-40℃～85℃
Heat dissipation

Fan cooling

Power supply mode AC: 90 ~ 260 V or HDC:127~370 V or DC:-72 ~ -36 V

Related Euipment

DWDM/CWDM/OTN Platform
DWDM/CWDM/OTN Platform
OLM Optical Line Monitoring System
OLM Optical Line Monitoring System
OTU Muxponder Cards
OTU Muxponder Cards
OTU Transponder Cards
OTU Transponder Cards
Open Line System
Open Line System
Optical Layer Board
Optical Layer Board
OSP3800 DWDM/OTN 5U Transmission Platform

OSP3800 DWDM/OTN 5U Transmission Platform

The OSP3800 series products use advanced transmission technology and high integration technology to support single-channel transmission rate from 100Mbps to 400Gbps, and provides wide bandwidth, large capacity and fully transparent transmission for 800Gbps expansion, enabling smooth upgrade of capacity. It provides a stable platform for multi-service operation and future network upgrade and expansion. It is widely used in operators, broadcasting, IDC, finance, government, cloud network, big data and other industries.

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OSP3800 DWDM/OTN 3U Transmission Platform

OSP3800 DWDM/OTN 3U Transmission Platform

The OSP3800 series products use advanced transmission technology and high integration technology to support single-channel transmission rate from 100Mbps to 400Gbps, and provides wide bandwidth, large capacity and fully transparent transmission for 800Gbps expansion, enabling smooth upgrade of capacity. It provides a stable platform for multi-service operation and future network upgrade and expansion. It is widely used in operators, broadcasting, IDC, finance, government, cloud network, big data and other industries.

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OSP3800 DWDM/OTN 2U Transmission Platform

OSP3800 DWDM/OTN 2U Transmission Platform

The OSP3800 series products use advanced transmission technology and high integration technology to support single-channel transmission rate from 100Mbps to 400Gbps, and provides wide bandwidth, large capacity and fully transparent transmission for 800Gbps expansion, enabling smooth upgrade of capacity. It provides a stable platform for multi-service operation and future network upgrade and expansion. It is widely used in operators, broadcasting, IDC, finance, government, cloud network, big data and other industries.

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OSP3800 DWDM/OTN 1U Transmission Platform

OSP3800 DWDM/OTN 1U Transmission Platform

The OSP3800 series products use advanced transmission technology and high integration technology to support single-channel transmission rate from 100Mbps to 400Gbps, and provides wide bandwidth, large capacity and fully transparent transmission for 800Gbps expansion, enabling smooth upgrade of capacity. It provides a stable platform for multi-service operation and future network upgrade and expansion. It is widely used in operators, broadcasting, IDC, finance, government, cloud network, big data and other industries.

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OLM Optical Line Monitoring System

OLM Optical Line Monitoring System

Optical cable monitoring system combines optical cable monitoring, alarm, fault analysis, positioning, fault management, line maintenance and line management to ensure the safe and efficient operation of the optical cable network. It can automatically monitor the communication optical cable 24 hours a day and automatically switch and protect the optical fiber. It can timely and accurately report the sudden optical cable fault, effectively shorten the fault duration, and It is necessary to find the potential faults that are hidden and not yet detected, but will cause communication interruption, and give accurate early warning, so as to achieve active maintenance and take preventive measures.

Explore Further
OTDR Card

OTDR Card

During OTDR testing, pulses generated by the pulse generator drive the laser diode (LD) to emit light pulses. These pulses are directed into the fiber under test through a directional coupler. Scattering occurs within the fiber due to impurities and bubbles, with some of this backward scattering (BACK SCATTERINGLIGHT) combining with Fresnel reflections from irregular fiber end surfaces. The resulting light is reflected back to the coupler and captured by photodiodes, where it is converted into electrical waves. Given the extremely weak nature of this reflected light, it undergoes repeated transmission, collection, averaging, and amplification before being processed by the network management platform. This system features high dynamic range and superior resolution

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OPM Card

OPM Card

Optical power monitoring board (OPM) has a variety of types, can be used in offline real-time alarm test and online real-time alarm test; by monitoring optical power, the purpose of real-time alarm test can be achieved

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OS Card

OS Card

optical source

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OSW Card

OSW Card

An optical switch is a light path control device that manages and redirects optical signals. It plays a vital role in optical communication applications. Key applications include: multi-channel optical monitoring in transmission systems, automatic switching of multiple light sources/detectors in LANs, and dynamic monitoring systems for optical sensing. In fiber optic testing systems, it is used for evaluating fibers, optical components, network cables, and field engineering cables, as well as for equipment installation and commissioning

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200G Coherent TMUX: 1*CFP2+2*QSFP28

200G Coherent TMUX: 1*CFP2+2*QSFP28

The 200G coherent TMUX service card supports two 100GE service access, adopts advanced technologies such as QPSK modulation and coherent reception, and overcomes the transmission physical effects of high-speed transmission systems on OSNR requirements, CD tolerance, PMD tolerance, and non-linearity. It can realize 200GE business over 1200 kilometers of non-relay transmission, and the line side interface supports C-band 96-wave (50GHz) tunable.

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40G&100G TMUX: 4*SFP28↔QSFP28

40G&100G TMUX: 4*SFP28↔QSFP28

The 40G&100G incoherent muxponder service card supports 4x10G↔40G or 4x25G↔100G electrical layer multiplexing/demultiplexing, and transforms the multiplexed/demultiplexed optical signals into WDM standard wavelength optical signals. It can facilitate the wavelength division multiplexing of the optical signals of different wavelengths by mux unit, and simultaneously implement the inverse process of the above process. It’s suitable for 10G~25G forward multiplexing or 40G/100G inverse multiplexing wavelength division short-distance transmission solution.

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10G TMUX: 8*1.25G↔10G

10G TMUX: 8*1.25G↔10G

The 10G incoherent muxponder service card supports supports 8*100mbps port converging one 10G port or 8*1.25gbps port converging one 10g port, and can convert the multiplexed/demultiplexed optical signals into WDM standard wavelength optical signals, so as to facilitate the wavelength division multiplexing of optical signals of different wavelengths by the combining unit, and realize the reverse process of the above process. It is suitable for 10G forward multiplexing in metropolitan area.

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400G Coherent TMUX:1*CFP+4*QSFP28

400G Coherent TMUX:1*CFP+4*QSFP28

The 400G coherent TMUX service card supports four 100GE service accesses, adopts advanced technologies such as 16QAM modulation and coherent reception, and overcomes the transmission physical effects of high-speed transmission systems on OSNR requirements, CD tolerance, PMD tolerance, and non-linearity. It can realize 400GE business over 400 kilometers of non-relay transmission, and the line side interface supports C-band 96-wave (50GHz) tunable.

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400G Coherent OEO: 1*CFP2+1*QSFP-DD

400G Coherent OEO: 1*CFP2+1*QSFP-DD

The 400G coherent OTU service card supports one 400GE service accesses, Its main function is to perform one 400GE service signals that are accessed, and can be transformed into three WDM standard wavelength optical signal, so that the multiplexer unit performs wavelength division multiplexing on optical signals of different wavelengths, and at the same time implements the inverse process of the above process.It can realize 400GE business over 400 kilometers of non-relay transmission, and the line side interface supports 80-wave tunable.

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10G OCP: 10G protection OEO Card

10G OCP: 10G protection OEO Card

The 10G protection OEO Card is an optional part of WDM system, which is mainly used in line protection and ring network protection networking. At the transmitting end, one optical signal is divided into two identical signals, which are transmitted through different specific wavelengths or different lines. At the receiving end, the signals of two specific wavelengths or different lines are received and sent to the subsequent processing according to the signal quality, which is the process of double transmitting and selective receiving.

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10G OEO: 8*SFP+

10G OEO: 8*SFP+

The 10G incoherent OEO service card supports four types of service access with 42M~11.3G rates. Its main function is to finish the 3R regeneration of any 4-channel signals under any protocol within the rate of 1.25 Gbit/s~11.3 Gbit/s to be accessed, and then convert them to optical signals of a standard DWDM wavelength or standard CWDM wavelength, so that the multiplexing unit can conduct WDM for optical signals of different wavelengths and also achieve the inverse process of the above process. It’s applicable to the wavelength division transmission solution for any access of services with the rate of 11.3G or below.

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25G OTU: 8*SFP28

25G OTU: 8*SFP28

The 25G incoherent OEO service card supports four types of service access with 16 to 32G rates. Its main function is to finish the 3R regeneration of any 4-channel signals under any protocol within the rate of 25 Gbit/s to be accessed, and then convert them to optical signals of a standard DWDM wavelength or standard CWDM wavelength, so that the multiplexing unit can conduct WDM for optical signals of different wavelengths and also achieve the inverse process of the above process. It’s applicable to the wavelength division transmission solution for 25GE rate services, and compatible with 16G or 32G FC.

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40G&100G OEO: 6*QSFP28

40G&100G OEO: 6*QSFP28

The 40G&100G incoherent OEO service card supports three 40GE or 100GE bilingual service access. Its main function is to perform 3R regeneration of three 40GE or 100GE service signals that are accessed, and can be transformed into three WDM standard wavelength optical signal, so that the multiplexer unit performs wavelength division multiplexing on optical signals of different wavelengths, and at the same time implements the inverse process of the above process. It’s suitable for short-range transmission of wavelength division in metro areas at 40G or 100G rates.

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OLP: Optical Line Protection Card

OLP: Optical Line Protection Card

OLP optical protection card is to assist the wavelength division system to complete optical layer protection solutions such as optical line 1+1/1:1 protection and optical wavelength 1+1/1:1 protection. It can monitor the primary and backup routing optical paths in real time. In the event that the fiber core is blocked or degraded in performance, it can implement the secure rearrangement automatically in the main and standby fiber core, so as to guarantee optical signals in the system line to recover quickly. OLP technology is to complete the routing switch operation in optical layer. The optical layer protection has the incomparable advantages over the protection of upper services, and it is the best solution to provide the user with an uninterrupted communication.

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NMS: Network Control Management Card

NMS: Network Control Management Card

NMS is a network management module specially designed for OSP3800 series products , Its main function is to provide the interface between equipment and network management system. With the OTN network management system of OSP3800 series, NMS completes the single card management, various maintenance and management signal transmission of network element, and realizes the real-time monitoring, maintenance and management of equipment element and the whole synchronous equipment network. It provides a good solution for equipment monitoring.

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EDFA: Erbium-Doped Fiber Amplification Card

EDFA: Erbium-Doped Fiber Amplification Card

EDFA is an erbium-doped fiber amplification card.Its main function is to compensate the power of the signal light in the transmission link, and it can amplify the optical signals of up to 48 channels (channel interval of 100 GHZ) or 96 channels (channel interval of 50 GHZ) at C band at the same time. It has the characters of flat gain, locked gain, low noise figure, etc. and it’s an indispensably important component for DWDM system, future high speed system and all-optical network long-distance transmission.

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8ch DWDM MUX&DEMUX（ODM）

8ch DWDM MUX&DEMUX（ODM）

MUX & DEMUX is a wavelength division multiplexing (WDM) based combiner/demultiplexer card, which multiplexes multiple standard DWDM or CWDM wavelengths on the same optical fiber for transmission. The demultiplexing card is used to demultiplex multiple standard DWDM or CWDM wavelengths transmitted on a single fiber

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DCM: Dispersion Compensation Module

DCM: Dispersion Compensation Module

The DCM dispersion compensation is a pure passive device. It can compensate the dispersion slope of standard single-mode optical fiber (G.652) in C-band. And it is used to repair the optical signal distorted by dispersion and compensate the damaged signal in optical transmission system, so as to improve the performance of the transmission system and achieve high-speed, large-capacity, long-distance communication. The dispersion range of the DCM can reach - 10 to - 2100ps/nm at 1550nm wavelength. Products with special requirements for central wavelength and dispersion can be also provided.

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AWG: 40/48 Waves Multiplexing/Demultiplexing Card

AWG: 40/48 Waves Multiplexing/Demultiplexing Card

AWG split-wave card is mainly used in the DWDM system to complete 40/48 optical wavelength multiplexing and demultiplexing functions in the C-band range, which can multiplex different wavelengths of light into one. Multiple optical channels multiplexed on the same fiber are separated by wavelength on the fiber. It is based on waveguide grating technology on silicon substrates design for precise channel coupling, low insertion loss, high channel isolation and high stability for 40/48-wave high-capacity DWDM systems.

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OADM: Optical Add Drop Multiplexing Card

OADM: Optical Add Drop Multiplexing Card

OADM card is an important part of WDM system. It can realize the dynamic reconfiguration of optical wavelength channel by OADM module. That is to say, it can dynamically adjust the wavelength resource and fiber path in optical path layer according to the change of traffic and demand in transmission network path and make the most effective use of network resources.

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MDU: 1~16 Wavelengths Multiplexing/Demultiplexing card

MDU: 1~16 Wavelengths Multiplexing/Demultiplexing card

MUX & DEMUX is a wavelength division multiplexing (WDM) based combiner/demultiplexer card, which multiplexes multiple standard DWDM or CWDM wavelengths on the same optical fiber for transmission. The demultiplexing card is used to demultiplex multiple standard DWDM or CWDM wavelengths transmitted on a single fiber

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Related Resources

ISEELINK Product catalog

PDF - 8.18 MB - Updated on Wednesday, March 25, 2026

Download

ISEELINK OLM Equipment Specification

PDF - 3.46 MB - Updated on Thursday, March 26, 2026

Download

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DWDM/CWDM/OTN transmission DCI-BOX transmission Optical Amplification System Optical Protection System Optical Switch Passive WDM & Components Optical Transceiver Network Management

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40G Long-Haul DWDM Solutions DWDM Interconnect Solution for Data Center Cloud Real-Time DWDM Fiber Network Monitoring 5G Fronthaul Semi-active Solution

Industry Case

Telecommunication Operators Data Centers Internet & Service Providers Broadcasting & Media Finance Campus Electric Power Government

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