Optical Switches
LightBend™ Dual 2x2 Bypass SM Optical Switch
The LB Dual 2×2 Bypass OptoMechanical Fiberoptic switch is an integrated single device with 8 fiber ports. Based on our patented technologies, the switch is designed especially for protection and restoration applications. The switch is activated by a low voltage pulse between two states, and the latching operation preserves the selected optical path after the drive signal has been removed. The switch has integrated electrical contact-based status sensors. The design significantly reduces moving part position sensitivity, offering unprecedented high stability as well as an unmatched low cost. Electronic driver and circuit design assistance are available for this series of switches. The switch is bidirectional. We offer a tight-bend-fiber version, which reduces the minimum bending radius from the normal 15 mm to 7 mm. This feature enables a smaller overall footprint.

Configuration options
Build & quote
Configure the options below and add your exact build to the enquiry — we confirm the part number and availability.
We confirm the exact part number for your configuration on enquiry.
Wavelength: 1260-1620 · Switch: Latching Type Single Coil · Package: Standard · Fiber Type: SMF-28 · Fiber Cover: Bare fiber · Fiber Length: 1.0m · Connector: None
Downloads
Datasheets & documents
System integration
Integration and compatibility
Use these checks to connect LightBend™ Dual 2x2 Bypass SM Optical Switch to the surrounding optical, mechanical and control system. Every value shown is taken from this model's own specification record.
- Optical interface and fiber
- Fiber Type: SMF-28, Corning XB, Corning ZBL · Fiber Cover: Bare fiber, 900um tube
- Specify connector polish and fiber architecture together. FC/PC, FC/APC and SMA interfaces, and single-mode, multimode and polarization-maintaining fibers, impose different return-loss, mode-field and alignment requirements.
- Wavelength and loss budget
- Wavelength: 1260-1620, 1060, C+L, 1310, 1410, 1550, 650, 780, 850, 1310 & 1550
- Check the Optical Switches passband, insertion loss, return loss and power handling at the actual source wavelength; a nominal telecom-band label is not a substitute for the configured range.
Technical FAQ
Integration questions for LightBend™ Dual 2x2 Bypass SM Optical Switch
Which fiber and connector does the LightBend™ Dual 2x2 Bypass SM Optical Switch use?
Fiber Type: SMF-28, Corning XB, Corning ZBL · Fiber Cover: Bare fiber, 900um tube. Specify connector polish and fiber architecture together. FC/PC, FC/APC and SMA interfaces, and single-mode, multimode and polarization-maintaining fibers, impose different return-loss, mode-field and alignment requirements.
How should the LightBend™ Dual 2x2 Bypass SM Optical Switch be included in an optical power budget?
Wavelength: 1260-1620, 1060, C+L, 1310, 1410, 1550, 650, 780, 850, 1310 & 1550. Check the Optical Switches passband, insertion loss, return loss and power handling at the actual source wavelength; a nominal telecom-band label is not a substitute for the configured range.
Need this configured?
Share your wavelength, fiber type, connector, power handling and control requirements and we will qualify the matching configuration and part number.
Model selection
Nearby series comparison
Compare LightBend™ Dual 2x2 Bypass SM Optical Switch with the closest available models in the Optical Switches family.
| Selection parameter | LightBend™ Dual 2x2 Bypass SM Optical Switch (current) | LightBend™ Dual 1x2 SM Optical Switch | LightBend™ Full 2x2 High Power Optical Switch |
|---|---|---|---|
| Wavelength range | 1260-1620, 1060, C+L, 1310, 1410, 1550, 650, 780, 850, 1310 & 1550 | 1060, C+L, 1310, 1410, 1550, 650, 780, 850, 1310 & 1550, 1260~1620, Special | 1060, 1310, 1410, 1550, 650, 780, 850, Special |
| Fiber type | SMF-28, Corning XB, Corning ZBL | SMF-28, Corning XB, Draka BBE, Special | SMF-28, MM 50/125, MM 62.5/125, PM1550, PM1310, PM980, PM850, PM1950, PM1060, Special |
| Connector / control | None, FC/APC, Special | None, FC/PC, FC/APC, SC/PC, SC/APC, ST/PC, LC, Duplex LC, Special | None, FC/APC, Special |




