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Optical node OD-002 converts optical signals into RF electrical signals. It cooperates with optical transmitters of MOS-211x series (R81720, R81720B) transmitting modulated light over single-mode optical fiber. Such optical links allow to transmit multiple channels from the headend to other locations in the city etc.
Distinguishing features
- internal diagnostic system
- GaAs push-pull technology
- microprocessor controlled AGC
Specifications
| Name | Optical node OD-002 |
| Code | R81726 |
| Optical wavelength range | 1100-1600 nm |
| Optical input level (AGC range) | -7...2 dBm |
| Noise current density | Max. 7.0 pA/sqrt(Hz) |
| Output frequency range | 47-862 MHz |
| Output impedance | 75 Ω |
| Return loss | 18 dB/40MHz (-1.5 dB/octave) |
| Frequency response | +/-0.75 dB |
| Output level (AGC ON, 4.9% OMI) | 106 dBuV |
| Output level CTB (EN50083-3) | 107 dBuV (42 operating channels) |
| Output level CSO (EN50083-3) | 110 dBuV (42 operating channels) |
| Interstage attenuator (forward path) | 0-10 dB (0.5 dB step) |
| Interstage equalizer (forward path) | 0/5/10 dB (switchable) |
| Supplying voltage | 187-250 VAC |
| Power consumption | 6 W |
| Attenuation of the internal test connector (forward path) | 20 dB (+/-0.7 dB) |
| Optical connector | SC/APC |
| Test point connectors | F |
| Operating temperature range | -20oC...+50oC |
| Dimensions | 185.5x95x47 mm |
| Weight | 0.9 kg |