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This picture is about FS-OLP.
This picture is about FS-OLP.

Customized Optical Line Protection Switch (OLP)


1+1 Backup Fast Swith <15ms FMT WDM Network

135 Sold
10 Reviews
6 Questions
Protected Mode:
OLP 1+1
Fiber Type:
SMF 1310±50nm/1550±50nm
Pluggable Module
Pre-order, Ship by 22 Jul, 2024
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Deliver to New York, 10010
Free Shipping via Fedex International Priority
Products and Project Inquiry
Solution Design
1-Year Warranty

Optical Line Protection System for Fiber Protection, Bi-directional Protection, Customized Housing

OLP(Optical Line Protection) is a device used in pairs, one at each end of the optical signal to protect network transmission line. It can realize optical power monitoring and automatic switching. In optical communication network, OLP monitors optical power of optical fiber and standby optical fiber at real time. In case the current optical power of optical fiber is less than pre-set switching threshold value, then alarm is on and it would switch to standby optical fiber automatically to protect optical transmission system line.

FS provides 2 types of line protection: 1:1 line protection and 1+1 line protection. Wavelengths and connectors can be customized to meet special control and applications.The device is available with standard 1U rack mount and Pluggable Module.

Fiber Type&Operating Wavelengths
SMF (1310±50nm/1550±50nm)
Return Loss
Switching Speed (1+1)
Switching Speed (1 to 1)
Maximum Optical Power Load
Pluggable Module
Chassis Type
1U, 2U, 4U
Operating -10 to 50°C (14 to 122°F)
Storage -40 to 80°C (-40 to 176°F)
Operating Humidity
5%~95% no condensation
SNMPv1, Monitor Online, Simple Management Tool
Quality Certifications
To get the detailed certification, please go to the Product Compliance Status for download.
Optical Line Protection Module, Placed in 1U/2U/4U Managed Chassis

High level of integration by plug-in design, which saves space of cabine

Real-time monitoring, and fast switching between primary and secondary optical lines

Support SNMP Management and Fast, Gigabit and 10 Gigabit Ethernet

Fast Switching, 1+1 Point-to-Point OLP Using 1x2 Switches

1+1 OLP can protect transmission network from link failures, using an optical splitter to bridge the optical signal to working fiber and protection fiber.

Point-to-Point 1 to 1 OLP Using 2x2 Switches

The 1 to 1 OLP system is based on both Tx and Rx paths. When there is a fault on the main route, the OLP system will switch the businesses from the main route to the standby route.

Independent Research and Development of Management System

Based on SNMP, Monitor Online can support hierarchical topology view, fault management and alarm, user administration and configuration of the devices.

Flexible and Compact Modular Transport Platform
It has a variety of optical layer boards and provides excellent optical performance, meeting the diverse needs of scenarios.
Varied Management
Support SNMP and visualized network management.
Cost-effective Performance
Flexible application in DWDM systems to reduce costs.
Diverse Optical Cards
Integrate multiple cards to meet different networking needs.
Suitable for WDM Network

FMT Series is suitable for DWDM dual-fiber/DWDM single-fiber/optical cable monitoring systems to provide cost-effective and flexible WDM solutions.

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October 22, 2018
I think it's a good design. This kind of card product can be easily managed in one chassis with other board cards, which saves us a lot of space and is also convenient to monitor and manage.
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October 14, 2018
First purchase at FS, their product and service were all great. We needed an OLP to protect the link. After testing, the product works well, and our link can be smoothly and automatically switched to the standby link to continue transmission.
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October 12, 2018
The quality of the product is pretty good our links are working well now. Their engineer team has helped us a lot in using and matching products, and they are very patient. We will purchase back to FS again for the latter item.
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