1, 1550nm External Modulated Optical Transmitter, 2. 45~1GMHz. 2. SBS:13~19dBm adj. 3. Plug-in type Dual Power Supply. 4.CE.
FWT-1550ET series , 1550nm Top Type External Modulated Optical Transmitter ,
47~(860)1000MHz, CNR≥53dB, SBS: 13~19dBm , Plug-in type Dual Module Power Supply.
Product description
FWT-1550ET is a model of 1550nm Externally Modulated Optical Transmitter accordding with current international industry technique standard.The whole unit light source adopts narrow line width(Typ.=0.65MHz),low noise and continuous wave DFB laser,which is propitious to reduce the influence of dispersion.Adopting LiNbO3 external modulator that is especially designed by JDSU and FULLWELL original micro-wave technology , FWT-1550ET externally modulated optic transmitter can reach high index of CNR≥53dB,47~860 or 47~1080MHz,CTB≤-65dB,CSO≤-65dB,SBS:13~19dBm adjustable,50 km transmission.The whole unit is equipped with SNMP network management,1+1 plug-in back-up power supply and casing temperature auto-control.
FWT-1550ET can transmit whole band CATV signal.Ensuring excellent signal when at low frequency,it is applicable for main links and distribution network links in large and middle CATV station head-end.
Product feature
1, High performance: FULLWELL original Micro-wave Source Technology.Adopting RF pre-distortion technology ,system get perfect CTB,CSO and SBS index when CNR≥53dB.
2, Flexibility:The phase modulation Technology of the modulator boost the input optical power to the utmost,thus reaching long-distance transmission by ensuring excellent system CSO,SBS 13~19dBm adjustable,AGC/MGC mode is optional at spot,OMI can be optimized at spot.Suitable for various network.3, Reliability:19"1U standard rack,1+1 plug-in back-up power supply,which can work at 86~265voltage,MS switch automatically,casing temperature auto-control.4, Monitor the working state of modulator and laser.Working parameter shows on the LCD panel. 5, SNMP network management6, EMC,LVD and CE approved.
Main application
1, Can be used in long-distance main links and distribution network links in large and middle CATV station head-end.Analogue digital hybrid transmission>200Km(with dispersion compensation).2, Applicable to the value-added service of DWDM fiber optic CATV system and CFG dispersion compensation system.3, Can be used in branch FTTH that has high system index demand.Point to point>65Km,CSO≤-65dB.4, Can be used in second-grade service area of sub-station,providing second-grade users with high quality and high reliability value added service such as RFTV,IPTV,VOD and so on.
Technical parameters
| Items | Parameter | Remark | ||
Optic Parameters | Operating wavelength | (nm) | 1550±10 | |
Output power | (dBm) | 2×8 | 2×7, 2×8, 2×9 , 2×10 , 2×11, 2x12 | |
Return loss | (dB) | ≥52 | ||
Optical fiber connector | SC/APC | Optional SC/APC,FC/APC | ||
RF Parameters | Bandwidth | (MHz) | 47~860 or 47~1080 | |
Input level | (dBmV) | 23±5 | AGC | |
Flatness | (dB) | ≤±0.75 | 45~(862)1080MHz | |
Return loss | (dB) | >16 | 45~750MHz | |
Input Impedance | (Ω) | 75 | ||
Link Parameters | Channels | PAL-D/60ch | ||
CNR | (dB) | ≥53 | 65Km fiber,Receive0dBm | |
CTB | (dB) | ≤-65 | ||
CSO | (dB) | ≤-65 | ||
SBS | (dB) | ≥16.0 | 13~19dB adj. | |
General Parameters | NM interface | RJ45 | ||
Power | (V) | 90~265 | Optional -48VDC | |
Power consumption | (W) | ≤50 | ||
Working Temp | (°C) | 0~50 | Automatically casing temp control | |
Storage Temp | (°C) | -20~85 | ||
Operating relative humidity | (%) | 5~95 | ||
Size | (") | 19×14.5×1.75 | (W)x(D)x(H) | |
Products series
FWT-1550ET -2×7 (two outputs, ≥7dBm) FWT-1550ET -2×8 (two outputs, ≥8dBm) FWT-1550ET -2×9 (two outputs, ≥9dBm)
FWT-1550ET -2×10 (two outputs, ≥10dBm) FWT-1550ET -2×11 (two outputs, ≥11dBm) FWT-1550ET -2×12 (two outputs, ≥12dBm)
1550nm External Modulated Optical Transmitter
