OLP 1:1 type protection system is designed for low loss and redundancy protection in optical communication lines. The OLP1:1 type protection board injects light into the backup line using selectable receiver and emitter mode to control the backup line fault. When an error occurs when the optical fiber is working, the receiver and transmitter quickly switch to the standby fiber to ensure uninterrupted communication.
Abilities
Singlemode and multimode optical fiber protection
Double-sided and single-blind protection
Use automatically and manually
SNMP monitoring system
Wavelength: -50dBm ~ +23dBm.
Switch time: 20 milliseconds.
Technical specifications
| Performance | Parameters | ||
| wavelength range | 1310±50nm and 1550±50nm | ||
| Dynamic range of optical power | TX: | ＋25～-30 dBm | |
| RX: | ＋10～-45 dBm | ||
| Insertion loss | 1+1 protected | TX | ≤ 4.0dB |
| RX | ≤ 1.5dB | ||
| 1:1 protected | ≤ 1.5dB | ||
| Return loss | ≥45dB | ||
| Crosstalk | ≥55dB | ||
| Optical power resolution | ≤0.01dB | ||
| Optical power measurement accur | ≤0.5dB（＋25 dBm ～ -40dBm ） ≤1.0dB（-40 dBm ～ -50dBm ） | ||
| Wavelength dependent loss | ≤0.25dB | ||
| Polarization dependent loss | ≤0.1dB | ||
| Switching time | ≤15ms | ||
| Working life | >107 times | ||
Produced models
| Optical signal type | Protection type | Interface |
| S：single-mod | 1：1+1 | 1:LC/UPC |
| M：multi-mode | 2：1:1 | 2:LC/APC |
| 3：1:1(with backup fiber) | 3:SC/UPC | |
| 4：1:1(Amplifier) | 4:SC/APC | |
| 5：customized |