
CATV 20 ~ 60km, 1550 External Modulated Optical Transmitter (FWT-1550ET-2X7)
We have great confidence in the quality and precision of our EOC Slaves, Catv 4 Port Outdoor Optical Receiver, 4GE CATV WIFI ONU GPON. 'Innovative design, high-quality products, perfect service' is our company's sincere and eternal promise to customers! In terms of global economic integration, we need to look not only at the Chinese industrial market, but also at the global market.
Summary
1550 External transmitter uses high linearity LiNbO3 external modulator to modulate signal. It eliminates the Chirp Effect of 1550nm direct modulation laser. Due to adopting owned system optimized control technology & using top grade key parts , the machine’s technique performance index achieves the standard of same advanced products in the world totally.
Optical Transmitter Display

Parameter for 1 output
Performance | Index | Supplement | |||
Optic feature | Operating wavelength | (nm) | 1540~1563 | ||
| ITU-TG.692 | |||||
| Wavelength adjustable range | (nm) | ±1.6 (±200GHz) | |||
| Wavelength adjustable mode | ±0.05nm stepping | ||||
| Linewidth | (MHz) | ≤1 | FWHM(Δλ) | ||
| Side mode suppression ratio | (dB) | ≥45 | SMSR | ||
| Equivalent noise intensity | (dB/Hz) | ≤-160 | RIN (20~1000MHz) | ||
| Output power | (dBm) | 1×5 | Optional 1×3, 1×6, 1×7 | ||
| Return loss | (dB) | ≥55 | |||
| optical fiber connector | SC/APC | Optional FC/APC,LC/APC | |||
RF feature | Work bandwidth | (MHz) | 47-862 | 47~1000, 47~1080 optional | |
| Input level | (dBmV) | 18~28 | AGC | ||
| Flatness | (dB) | ≤±0.75 | 45~862MHz | ||
| ≤±1.5 | 862~1000MHz (optional) | ||||
| Return loss | (dB) | >16 | |||
| Input impedance | (Ω) | 75 | |||
| RF port | F-Female | ||||
Link feature | Transmit channel | PAL-D/60CH PAL-D/99CH | |||
| CNR1 | (dB) | ≥52 | ≥50.5 | Back to back | |
| CNR2 | (dB) | ≥50.5 | ≥49 | 50Km optical fiber, 0dBm receive | |
| CTB | (dB) | ≤-65 | ≤-65 | ||
| CSO | (dB) | ≤-65 | ≤-65 | ||
| SBS restrain | (dBm) | 13 | |||
| General feature | SNMP network management interface | RJ45 | |||
| Communication interface | RS232 | ||||
| Power supply | (VAC) | 90~265 | 50/60Hz | ||
| (VDC) | -48 | 30~72 | |||
| Power Consume | (W) | ≤50 | Single power works | ||
| Operating temp. | (°C) | 0~50 | Machine temp. control automatically | ||
| Storage temp. | (°C) | -40~85 | |||
| Operating relative humidity | (%) | 5~95 | |||
| Size | (") | 19×14.5×1.75 (W)x(D)x(H) | |||
Parameter for 2 output
Performance | Index | |
| Wavelength ADJ. Range | (nm) | ±1.6 (±200GHz) |
| Wavelength ADJ. Mode | ±0.05nm stepping | |
| Side mode suppression ratio | (dB) | ≥45 |
| Equivalent noise intensity | (dB/Hz) | ≤-160 |
| Input level | (dBmV) | 18~28 |
| Input impedance | (Ω) | 75 |
| RF connector | F-Female | |
| SNMP NM interface | RJ45 | |
| Communication interface | RS232 | |
| Linewidth | (MHz) | Typ.=0.65 |
| Output power | (dBm) | 2*3,2*5, 2*6, 2*7, 2*9, 2*10, 2*11 optional |
| Return loss | (dB) | ≥50 |
Company Info

If you have any questions or want to get more inforamtion, just contact with:
WhatsApp/Wechat/Line: + 86 184 5798 0817 (Helena Chen)
Email/Skype:softel12@softel-optic.com (Helena Chen)
We are acquiring cutting-edge technology to ensure that our Fullwell CATV 20 ~ 60km, 1550 External Modulated Optical Transmitter (FWT-1550ET-2X7) is competitive in both the domestic and international market. We make full use of our teamwork, pursue sustainable business, and create high quality products. In the process of working hand in hand with customers, suppliers, employees and many other stakeholders to develop business, we have a greater influence on society and shoulder the responsibility of making contributions to society.
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