| Parameter | Parameter Values |
| Model | XH-OSW-4X4-PM |
| Insertion Loss | ≤1.5 dB |
| Wavelength Range | 1440~1625 nm |
| Test Wavelength | 1550 nm |
| Extinction Ratio | ≥18 dB |
| Fiber Type | PM1550 |
| Return Loss | ≥50 dB |
| Crosstalk | ≥ 70 dB |
| WDL | ≤0.50 dB |
| TDL | ≤0.50 dB |
| Repeatability | ≤0.04 dB |
| Lifetime | > 108 |
| Switching Time | ≤20 ms (Adjacent channel) |
| Optic Power | ≤500 mW |
| Connector | FC/APC |
| Control Mode | RS232 |
| Working Power Supply | 5V/4800 mA |
| Product Sze | 200 x 160 x 100 mm |
| Operating Temperature | -20 ℃ to +70 ℃ |
| Storage temperature | -40 ℃ to +85 ℃ |
Optical Route