Description
| Function | Support optical signal 1+1 protection, double transmitting and selective receiving, single terminal switching |
| Slot number | 1/4 slot |
| Integration | Support 1 or 2 groups of optical protection modules (optional according to the application scenario) |
| Working wavelength range | 1528nm ~ 1568nm |
| Insertion loss | TX≤4 dB, RX≤1.5 dB |
| Switching time | <5 ms (switching time of pure optical switch) |
| Input optical power | -25dBm ~ +21 dBm |
| Optical power detection
accuracy |
±0.5 dBm (@>-25 dBm or above) |
| Polarization dependent loss | ≤0.1dB |
| Isolation degree | >50dB |
| Return loss | >45dB |
| Switching time | ＞(10)^7 |
| Switching condition | Relative power difference and absolute power value |
| Switching method | Support locking, forced switching, manual switching and automatic switching |
| Reliability | Power down / power on latch, hot pluggable, and main control card failure does not affect protection switching |
