RD-MS-Dual-1×2-PM-M-780-90-10-FA-TTL PM Dual 1×2 MEMS Optical Switch is a high-performance polarization-maintaining fiber optical switch based on Micro-Electro-Mechanical Systems (MEMS) technology. It is specifically designed for fiber optic communication and sensing applications requiring strict polarization state maintenance. Featuring an advanced micro-mirror drive architecture, it offers ultra-low insertion loss, high extinction ratio, fast switching speed, and exceptional reliability. It is widely used in fiber optic sensing systems, precision optical measurement, laser scanning microscopy, Fiber Bragg Grating (FBG) monitoring, polarization-sensitive optical path switching, and other demanding applications.
Dual 1x2MEMS Switch(Module)
RD-MS-Dual-1×2-PM-M-780-90-10-FA-TTL
PM(Polarization-maintaining) Dual 1X2 MEMS Optical Swith,PM PM780,0.9mm loose
tube Fiber, FC/APC,TTL Control connection, 90x55x12mm
Applications
Environmental Conditions
| Parameters | Unit | Min | Max |
| Storage Temperature | ℃ | -40 | 85 |
| Operating Relative Humidity | %RH | 5 | 95 |
| Operating Temperature | ℃ | -5 | 70 |
| ESD Level (HBM) | V | 500 | |
| Max Power Handling | mw | 500 |
| Parameters | Unit | Specification |
| Channels | CH | Dual 1x2 |
| Testing Wavelength | nm | 780 |
| Insertion Loss | dB | ≤2.0(with connector) |
| Return Loss | dB | ≥50 |
| extinction ratio | dB | ≥16dB |
| Repeatability | dB | 0.03dB Max |
| Crosstalk | dB | ≥50 |
| PDL | dB | ≤0.15 |
| TDL | dB | ≤0.3 |
| Response Time | ms | ≤20 |
| Durability | Cycle | ≥1×109 |
| Drive Voltage(Max) | V | 5~12 |
| Control Type |
TTL(Parallel /Serial Port Compatibility) The two switches are controlled on the same channel |
|
Notes:
1. The loss is based on the test results at 23℃.
2. Repeatability is defined after 100 cycles.
Pin Definition:
| Pin number |
Pin Assignment |
Signal Type | Description |
| 1 | D0 | Input | Data bit (D0) (low-order) |
| 2 | D5 | Input | Data bit (D5) |
| 3 | VCC | Power | Power Supply (DC 5V,1.0A) |
| 4 | D7 | Input | Data bit (D7) (high-order) |
| 5 | D6 | Input | Data bit (D6) |
| 6 | GND | Power | GND |
| 7 | D4 | Input | Data bit (D4) |
| 8 | D1 | Input | Data bit (D1) |
| 9 | TXD | Output | Data Transmit (TTL Level) |
| 10 | RXD | Input | Data Receive (TTL Level) |
| 11 | D2 | Input | Data bit (D2) |
| 12 | D3 | Input | Data bit (D3) |
| 13 | /BUSY | Output |
Low level means ready to reset or receiving data |
| 14 | /ALARM | Output | High level means running error |
| 15 | /STROBE | Input | Falling edge execution data bit |
| 16 | /RESET | Input | Low level reset to channel 0 |
Note: Molex 87833-1620 is used for the electrical interfaces of this modules and it is recommended to use Molex 87568-1694 for customer connectors.
This module can receive control signals through the UART interface to enable automated measurements or real-time monitoring.
(1). This module can only execute one instruction at a time. Typically, the next instruction can be entered only after the program returns the corresponding value.
(2) Please use capital letters.
(3) In practical operation, the angle brackets "<" and ">" are used as the start and end delimiters respectively.
(4). Instruction error returns <ER>.
Program Control Instruction Set
| Order | Describe | Example |
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