Description
Overview
GAOTek optic fiber transmitter advanced type external modulation 5.08222 x 10-6 ft optic fiber transmitter with its high index, high reliability and excellent cost performance, is applicable for main links and distribution network links in large and middle CATV station head-end.
Features
- Externally modulated technology
- No laser chirps
- Low dispersion distortion
- High extinction ratio, with excellent characteristic within 40 MHz to 862MHz
- 1+1 powers supply back, up hot-plug function available
- The operating bandwidth is up to 47 MHz to 862 MHz
- Narrow bandwidth (0.65 MHz)
- Lower noise
- DFB continuous wave laser
- CNR ≥ 53 dB and excellent CTB, CSO index.
- Advanced SNMP network management function.
- ITU standard wavelength, ±200 GHz (± 5.24 x 10-9 ft) adjustable
- AGC / MGC mode is optional at spot. OMI can be optimized at spot
- Perfect RS232 communication interface
- Casing temperature auto-control
Technical Specifications
| (Optic Feature) Operating Wavelength | 1548 nm to 1563 nm |
| (Optic Feature) Wavelength ADJ Range | ±1.6 nm (200 GHz) |
| (Optic Feature) Wavelength ADJ Mode | ±0.05 nm |
| (Optic Feature) Wavelength Stability | 30.2 °F to 32 °F (-1 °C to 0 °C) |
| (Optic Feature) Linewidth | Typ. = 0.65 MHz |
| (Optic Feature) Side Mode Suppression Ratio | ≥45 dB |
| (Optic Feature) Equivalent Noise Intensity | ≤-160 |
| (Optic Feature) No. Of Output Port | 2 |
| (Optic Feature) Output Power | 13 dBm, 12 dBm, 11 dBm, 10 dBm, 8.5 dBm, 7.0 dBm, 4.5 dBm |
| (Optic Feature) Return Loss | ≥50 dB |
| (Optic Feature) Optical Connector | SC / APC |
| (RF Feature) Work Bandwidth | 47 MHz to 862 MHz |
| (RF Feature) Input Level | 18 dBm V to 28 dBm V |
| (RF Feature) Flatness | ≤+0.75 dB (47 MHz to 862 MHz) ≤+1.5 dB (862 MHz to 1000 MHz (optional)) |
| (RF Feature) Return Loss | >16 dB |
| (RF Feature) Input Impedance | 75 Ω |
| (RF Feature) RF Port | F-female |
| (Link Feature) Transmit Channel | PAL-D / 60 CH PAL-D / 99 CH |
| (Link Feature) CNR1 | ≥53 dB to ≥51.5 |
| (Link Feature) CNR2 | ≥51.5 dB to ≥49.5 dB |
| (Link Feature) CTB | ≤-65 dB to ≤-65 dB |
| (Link Feature) CSO | ≤-65 dB to ≤-65 dB |
| (Link Feature) SBS Restrain | 13 dBm, 16 dBm, 18 dBm |
| (General Feature) SNMP Network Management | RJ45 |
| (General Feature) Communication Interface | RS232 |
| (General Feature) Power Supply | 90 V AC to 265 V AC -48 V DC |
| (General Feature) Power Consume | 50 W |
| (General Feature) Relative Humidity | 5% to 95 % |
| (General Feature) Work Temperature | 23 °F to 149 °F (-5 °C to 65 °C) |
| (General Feature) Storage Temperature | -40 °F to 185 °F (-40 °C to 85 °C) |
| Size | S-type: 19 in x 14.5 in x 1.75 in (482.6 mm x 368.3 mm x 44.45 mm) L-type: 19 in x 17.9 in x 1.75 in (482.6 mm x 454.66 mm x 44.45 mm) |