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At present, the optical cable routing protection technology mainly includes optical multiplexing segment protection, optical self-healing loop protection and optical fiber line automatic protection (OLP) technology, which is a simple and reliable solution, which can complete the switching protection from active routing to standby routing within 30ms, which can effectively prevent optical cable interruption caused by municipal construction and other projects, thereby causing network interruption
.
Optical fiber line automatic protection equipment both ends of the equipment transmission and reception are connected by optical switches to two different routing optical cable lines, under normal circumstances, the optical switches at both ends are selected the main line, while OLP equipment can monitor the backup line in real time, find that there is an abnormal situation will issue an alarm in time, remind the owner to repair as soon as possible to ensure that the backup line is available
.
When the decay of the active optical cable exceeds the switching threshold, the optical switches at both ends will synchronously switch to the backup line to ensure that the system can continue to operate normally
.
The optical fiber line automatic protection equipment has an independent network management, which can monitor the attenuation of the optical cable line, the luminous power of the equipment, the optical power and other information
in real time and intuitively.
In addition, the network management is also equipped with SMS cat function, which can inform relevant personnel
of specific alarm information in time through SMS according to customer requirements.
Since optical switches are used at both ends of OLP to achieve selective transmission and reception, its intervention loss for the original line is relatively low, generally less than 3dB, and the intervention loss of superior OLP can reach less than
1dB.
Since the transmission distance of the data room is not far, the increased loss will not affect the normal operation
of the system.
In addition, because its switching is based on the attenuation of the optical cable line, it has nothing to do with the equipment manufacturer and system rate, and the equipment is compatible with all manufacturers' equipment, and can also meet a variety of different speed systems, such as both SDH/PTN and DWDM/OTN, and can be applied to GE, 10G protection and 40G, 100G protection
.
This means that when the devices at both ends are upgraded, the OLP devices do not need to be upgraded, but simply adjust the relevant thresholds according to different systems
.
At present, the optical cable routing protection technology mainly includes optical multiplexing segment protection, optical self-healing loop protection and optical fiber line automatic protection (OLP) technology, which is a simple and reliable solution, which can complete the switching protection from active routing to standby routing within 30ms, which can effectively prevent optical cable interruption caused by municipal construction and other projects, thereby causing network interruption
.
Optical fiber line automatic protection equipment both ends of the equipment transmission and reception are connected by optical switches to two different routing optical cable lines, under normal circumstances, the optical switches at both ends are selected the main line, while OLP equipment can monitor the backup line in real time, find that there is an abnormal situation will issue an alarm in time, remind the owner to repair as soon as possible to ensure that the backup line is available
.
When the decay of the active optical cable exceeds the switching threshold, the optical switches at both ends will synchronously switch to the backup line to ensure that the system can continue to operate normally
.
The optical fiber line automatic protection equipment has an independent network management, which can monitor the attenuation of the optical cable line, the luminous power of the equipment, the optical power and other information
in real time and intuitively.
In addition, the network management is also equipped with SMS cat function, which can inform relevant personnel
of specific alarm information in time through SMS according to customer requirements.
Since optical switches are used at both ends of OLP to achieve selective transmission and reception, its intervention loss for the original line is relatively low, generally less than 3dB, and the intervention loss of superior OLP can reach less than
1dB.
Since the transmission distance of the data room is not far, the increased loss will not affect the normal operation
of the system.
In addition, because its switching is based on the attenuation of the optical cable line, it has nothing to do with the equipment manufacturer and system rate, and the equipment is compatible with all manufacturers' equipment, and can also meet a variety of different speed systems, such as both SDH/PTN and DWDM/OTN, and can be applied to GE, 10G protection and 40G, 100G protection
.
This means that when the devices at both ends are upgraded, the OLP devices do not need to be upgraded, but simply adjust the relevant thresholds according to different systems
.