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1310nm Single-mode Optical Switch 4×4
The 1310nm single-mode optical switch 4×4 is a high-performance mechanical optical path switching device that enables flexible routing between 4 inputs and 4 outputs, and supports bidirectional operation. It features low insertion loss, low crosstalk, high repeatability, and high reliability. The relay-latching mechanism maintains the current optical path even after power-off. The module has a switching time of ≤8 ms and supports RS-485 communication control, making it easy to integrate into automated systems. It is suitable for applications in optical communications, fiber monitoring, optical device testing, automated optical path testing, and fiber sensing.
Product features:4×4 optical path switching;Supports bidirectional use;Low insertion loss;Fast switching speed;High stability and high reliability
Part Number:MP-MEC-1310-8ms-SA
Application area:Optical communication and optical network monitoring | Automated testing of optical fibers and optical devices | Multi-channel optical path switching systems | Fiber sensing and multi-point dynamic monitoring
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Operating Wavelength Channel Configuration Switching Time
1310 nm 4×4 ≤8 ms

Parameter | Specification |
Optical switch type | MEC (Mechanical) |
Channel configuration | 4×4 |
Operating wavelength | 1310 nm |
Fiber type | Single-mode (SM) |
Insertion loss | ≤ 1.4 dB |
Return loss | ≥ 50 dB |
Channel crosstalk | ≥ 55 dB |
Polarization‑dependent loss | ≤ 0.05 dB |
Wavelength‑dependent loss | ≤ 0.40 dB |
Temperature-dependent loss | ≤ 0.20 dB |
Repeatability | ≤ ±0.02 dB |
Switching time | ≤ 8 ms |
Switching lifetime | > 10⁷ cycles |
Maximum optical input power | ≤ 500 mW |
Operating power supply | 5 V / 500 mA |
Control interface | RS-485 |
Operating temperature | -20~+70 ℃ |
Storage temperature | -40~+85 ℃ |
Dimensions (W×H×D) | 135 × 60 × 20 mm |
Pin Definitions
DB9 Male Connector | |||
Pin(s) | Type | Name | Function |
2 | Input | A+ | RS-485 communication A+ |
3 | Input | B- | RS-485 communication B– |
8 | Power | GND | Power supply ground |
9 | Power | VCC | Power supply positive |
1,4,5,6,7 | NC | NC | Not connected |
Optical Path Diagram
Control Schematic

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