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M2x2B Magnet Fiber Optical Switch
The M2x2B optical switch is connected to the optical path by connecting or blocking the optical signal. the switch has non-mechanical configurations and activated via an electrical control signal. the switch also has build-in circulator and isolator functions. Products are widely used in aerospace and military equipment.
Performance Specifications
| Parameters | Unit | Specifications |
| Wavelength Range | nm | 1520 ~ 1580 |
| Test Wavelength | nm | 1550 |
| Insertion Loss1, 2 | dB | ≤ 1.2 |
| TDL | dB | ≤ 0.30 |
| PDL | dB | ≤ 0.20 |
| Return Loss | dB | ≥ 50 |
| Crosstalk | dB | Bidirectional ≥ 20 |
| Unidirectional ≥ 40 | ||
| Repeatability | dB | ≤ ±0.01 |
| Switching Time | us | ≤ 100 |
| Pulse Duration | us | ≥ 200 |
| Durability | Cycles | ≥10 Bllions |
| Switch Type | NA | Latching |
| Operating Current | mA | ≤ 200 |
| Maximum Optical Power | mW | ≤ 500 |
| Operating Temperature | ℃ | -5 ~ +70 |
| Storage Temperature | ℃ | -40 ~ +85 |
| Dimension | mm | (L)30.0×(W)7.5×(H)7.5 ±0.2 |
Note: 1 Test at room temperature and SOP.
2 Excluding connectors, 0.2dB for one pair connectors.
Mechanical Dimensions (Unit:mm)
Electrical Drive
| Type | Status | Optical Route | Electric Drive | |
| M2x2B | Pin 1 | Pin 2 | ||
| Bidirectional | Ⅰ | P1 —— P3 P2 —— P4 | GND | V+ |
| Ⅱ | P1 —— P4 | V+ | GND | |
| Unidirectional | Ⅰ | P1 → P3 P2 → P4 P4 → P1 | GND | V+ |
| Ⅱ | P1 → P4 P4 → P2 P3 → P1 | V+ | GND | |
Functional Diagram
Ordering Information
FSW-M2x2B-□-□-□-□-□-□-□
| —□ | —□ | —□ | —□ | —□ | —□ | —□ |
| Switch Type | Fiber Type | Voltage | Wavelength | Tube Type | FiberLength | Connector |
| B： Bidirectional U： Unidirectional | SM： SM，9/125 X： Others | 2.5： 2.5V X： 5.0V | 1550： 1550nm X： Others | 250： 250um 900： 900um X： Others | 05： 0.5m±5cm 10： 1.0m±5cm X： Others | OO：None FC：FC/PC FA：FC/APC SC：SC/PC SA：SC/APC LC：LC/PC X：Others |
