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Optical Line Switching Equipment Backbone Highly Reliable Redundant Configuration Solution

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What is an optical switch

An optical switch, also known as an optical line switching device (automatic switching type optical patch panel), is a device that enables the network to be always connected.

Any communication protocol (Ethernet, ATM, etc.) or communication speed (1GbE, 100GbE, etc.) can be used.

Optical switch lineup list

3 advantages of optical switch

Significant reduction in network outage time

Detects network failures due to power drop and automatically switches paths*
Manual switching takes time. It can be switched automatically using an optical switch.
By using optical switches for equipment redundancy and transmission line redundancy, it is possible to significantly reduce network interruption time.

[✕] In the event of a failure, manual route switching takes time, such as "running to the site" and "connector replacement work".
[○] If a failure occurs, it can be switched automatically by using an optical switch. (Switching is automatically performed by detecting light interruption *1, switching time is 10 milliseconds or less *2)
Switching is automatically performed by detecting light interruption *1
Switching time 10 ms or less *2

*1 The automatic switching function is only compatible with modules with a light detection function.
*2 Threshold for automatic switching judgment and protection time can be set.


Allows remote monitoring and control

Web user interface, SNMP, CLI (TELNET/SSH), etc. allow remote monitoring and control.
Continuously monitors optical power in-line with detection levels from -40dBm to +10dBm.
By monitoring the optical power of the standby system, the risk of failure is reduced.

Allows remote monitoring and control

Possible to reduce risk

Human error reduction
By switching the path using an optical switch, you can switch at once without making mistakes such as incorrectly inserting the optical fiber connector or staining the connector end face.
Usage example for maintenance
Fail-safe design
Because it is a passive type optical switch, even if a failure occurs in the power supply or control system of the optical switch, the communication state of light is ensured.
Fail-safe design: Passive type optical switch. Even if a failure occurs in the power supply or control system of the optical switch, the communication state of light is ensured.


Features of Optical Switch

You can choose any network type or communication speed (bandwidth).

Since it is an optical fiber switch (physically switching the optical path), the network type (*1) to be connected is not selected as long as it is an optical interface.

In addition, since there is no communication speed limit, for example, 1GbE and 100GbE can be used with the same model.

Therefore, even if the network equipment or its interface is changed, the optical switch can be used as it is.

*1: Ethernet, ATM, SONET/SDH, MPEG-2TS, etc.


High reliability


Highly reliable optical switch parts are used.

Number of FITs (failure in time) 60
switching times 10,000,000 times or more


Self-holding function: Maintains the state even if power is cut off (failure).

Switching time within 10msec


Group linkage function (*3)

Linked switching of switches grouped in advance is possible.

When one optical switch switches for some reason, the optical switches in the same group also switch, supporting ring aggregation.

 *3: The interlocking function is available only for the NSW series.

Introduction of functions: [Group interlocking function] Interlocking switching of pre-grouped switches is possible.

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