Optical receiver OTR-220 / OTR-220 (D)
Optical receivers OTR-220 are designed for interfacing fiber-optic and coaxial sections of house cabling CTV. The presence of two optical inputs allows automatic redundancy on an optical channel.
| Characteristic | OTR-220 | OTR-220D |
| Operating wavelength, nm | 1290-1600 | 1290-1600 |
| Range of input optical levels, dBm | -5..2 | -5..2 |
| Sensitivity, pА / vHz | 5 | 5 |
| Frequency range, MHz | 47/58/85-862 | 47/58/85-862 |
| Output level (DIN45004V), dB / μV | 117 | 117 |
| Unevenness amplitude frequency response, dB | ±0.7 | ±0.7 |
| Output level adjustment, dB | 20 | 20 |
| Slope adjustment amplitude frequency response, dB | 20 | 20 |
| Attenuation at the control tap, dB | 20±1 | 20±1 |
| Supply voltage, V / Hz | 220±10%/50 | 30-60/50 AC, 40-90 DC |
| Type of optical connectors | FC/APC or SC/APS | FC/APC or SC/APS |
| Type of output connectors | F | F |
| Switchover threshold from the main input to the standby input, dBm | -5 | -5 |
| Number of optical inputs | 2 | 2 |
| Input level LED indicator, dBm | > -5 | > -5 |
| Power consumption, W | 5 | 5 |
| Operating temperature range, ° С | -20…+50 | -20…+50 |
| Dimensions, mm | 210х110х55 | 210х110х55 |
| Weight, kg | 0.8 | 0.8 |
