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OLP-Optical Line Protection

OLP-Optical Line Protection

Optical line protection system is combined of OLP-Optical Line Protection and operation maintenance terminal. It can realize optical power monitoring、optical line auto-switching and network management etc. 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. OLP can provide a protection scheme for all routes and main lines easily with low cost, can protect all networks which needs optical line switching, all these above can make an optical communication network with no-block、high reliability、safety and high anti-disaster strength.

Protection Type:

1:1Protection

1+1Protection

1-1Protection

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Description

Parameters

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Optical line protection system is combined of OLP-Optical Line Protection and operation maintenance terminal. It can realize optical power monitoring、optical line auto-switching and network management etc. 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. OLP can provide a protection scheme for all routes and main lines easily with low cost, can protect all networks which needs optical line switching, all these above can make an optical communication network with no-block、high reliability、safety and high anti-disaster strength.

Features
Shorten the communication interrupt time, improve the efficiency of maintenance, automatic recovery communication very short time
Reduce the line fault caused by all kinds of losses
Increase the reliability of the transmission network, improve the service quality of the operators
On the premise of guarantee the business without blocking any scheduling the work for routing (line maintenance, cut over scheduling)
Real-time monitoring of the main case of fiber optical power
Support of the whole system and process control, convenient for management, maintenance of equipment
With transparent transmission

Here is the diagram of optical line protection system:

Optical Line Protection (OLP) Device

1:1 protection

The light path of protection system

1+1 protection

The light path of protection system

1-1 protection

The production workshop show

Technical Specification

Parameter 1:1Protection 1+1Protection 1-1Protection
Working Wavelength(nm) 1310±50nm和1550±50nm
Monitoring Power Range(dBm) +23~-50
Monitoring power accuracy(dB) ±0.25
Monitoring power resolution(dB) ±0.01
Return loss(dB) ≥55
PDL(dB) ≤0.05
WDL(dB) ≤0.1
Insertion loss(dB) dawn<1.2 receiving<1.2 dawn<4 receiving<1.2 <1.2
Switch time(ms) <35 <15 <15
Durability(Life)(times) >10^7
Operating temperature(℃) -10~+60℃
Storage temperature(℃) -20~+75℃
Power supply (V) DC(36-72) and AC(85-264)V/50~60Hz, dual power supply
Power-down Condition hold in working path or switch to backup path
Optical connectors SC/PC(Optional)
Dimension Standard 19' 1U

Device Model Explanation

Rackmount Model
1U OLP-1U-1:1 OLP-1U-1+1 OLP-1U-1-1
4U Machine frame OLP-4U
Insert disc OLP-M-1:1 OLP-M-1+1 OLP-M-1-1
4U OLP equipment consists of frame(including power supply, master control module) and tray.

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