Junpu 20km 1550nm Internal Optical Transmitter 10dbm 1 Output SC APC
Description:
- Direct modulation will lead to high laser chirp (Laser's bias current is modulated by signal and the optical spectrum shifts and shakes). Laser chip will interact with dispersion effect caused by standard single mode fiber (SMF-28), which will generate serious distortion in the place of 1550nm. This kind of distortion will become more serious with the increase of transmission distance, bandwidth and channel number.
- Junpu JP1510DT is a 1550nm direct modulation optical transmitter with high index and AGC function. It adopts high linearity and low chirp DFB laser, built-in pre-distortion compensation and AGC, APC, ATC closed loop control, which improves the system index obviously. JP1510DT direct modulated optical transmitter can be used in WDM narrow-band multiplexing and IP/QAM.
- 1550nm directed modulation optical transmitter max support 20km transmission distance.
- If more than 20km, then it should be 1550nm extener modulated optical transmitter.
FTTH Diagram:

Product Features:
- Low chirp, high linearity DFB laser, chirp compensation
- Full-automatic OMI control, AGC & MGC
- Intuitionistic modulation status display
- Built-in dual back-up power supply, switch automatically
- Casing temperature auto-control, ensure the long life of the laser
Details:
| Parameter | Specification |
| Product Name | 1550nm Internal Optical Transmitter |
| Working Wavelength | 1550±10 |
| Connector Type | SC APC |
| Output Optical Power | 1 or 2 outputs, 3,5,6,8,9,10dbm |


Technical Specification:
| Performance | Index | Supplement |
| Optic feature | Wavelength | (nm) | 1548~1565 | JP1510DT |
| | Output power | (dBm) | 10 | Optional 3, 8, 10 |
| | Return loss | (dB) | ≥55 | |
| | optical fiber connector | | FC/APC | Optional SC/APC |
| RF feature | Work bandwidth | (MHz) | 45-862/1000Mhz | |
| | Input level | (dBmV) | 20±2 | MGC |
| | Flatness | (dB) | ≤±0.75 | 45~862MHz |
| | Return loss | (dB) | >16 | |
| | Input impedance | (Ω) | 75 | RF/INPUT |
| | RF test | (dB) | 0±1 | |
| Link feature | Transmit channel | | PAL-D/60CH | NTSC/80CH |
| | CNR | (dB) | ≥50 | -1dBm receive |
| | CTB | (dB) | ≤-63 | |
| | CSO | (dB) | ≤-57 | |
| General feature | Network management interface | | RJ45, RS232 | Support I.E. & SNMP |
| | Power supply | (V) | 90~265 city power | -48VDC optional |
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