1,1550nm Optical TV transmitter 2,SBS: 13.16dBm 3,Plug-in type Dual Power supply
FWT-1550EC series, 1550nm External Modulation Optical Transmitter,
CNR≥51dB, SBS: 13.16dBm adj. Plug-in type Dual Module Power Supply.
Product description
1. FWT-1550EC Externally Modulated Optical Transmitter adopts narrow line width, low noise and continuous wave DFB laser .
2. FWT-1550EC optic transmitter can reach excellent index :
flatness ≤0.75dB in bandwidth of 47~862MHz, SBS:13.16dBm, point to point>50Km,(0dBmReceiving)
CSO≤-65dB,CTB≤-65dB,CNR≥51dB.
3. The whole unit is equipped with perfect RS232 communication interface,
4. 1+1 back-up power supply,and casing temperature auto-control.
5. SNMP network management,
Product feature
1. High performance:
no laser chirp, low dispersion distortion,high extinction ratio, with excellent characteristic within 40~862MHz in-band.
2. Narrow bandwidth(Typ.=1MHz), low noise and DFB continuous wave laser.
3. The operating bandwidth is up to 47~862MHz.
4. High index:unique innovation technology, offering excellent CNR,CTB and CSO.
5. SBS:13.16dBm,point to point>50Km optical transmission.
6. AGC/MGC mode is optional at spot, OMI can be optimized at spot.
7. Optional 1+1 backup power supply.
Technical parameters
| Items | Parameter | Remark | ||
Optic Parameters | Operating wavelength | (nm) | 1550±10 | |
Output power | (dBm) | 2×5 | 1×5,1×6,1×7, 1x8,1x9,2×3,2×4,2×5 ,2x6,2x7 | |
Return loss | (dB) | ≥50 | ||
Optical fiber connector | SC/APC | Optional SC/APC,FC/APC | ||
RF Parameters | Bandwidth | (MHz) | 45-862 | |
Input level | (dBmV) | 23±5 | AGC | |
Flatness | (dB) | ≤±0.75 | 45~862MHz | |
Return loss | (dB) | >16 | 45~750MHz | |
Input Impedance | (Ω) | 75 | ||
Link Parameters | Channels | PAL-D/60ch | ||
CNR | (dB) | ≥51 | 65Km fiber,Receive0dBm | |
CTB | (dB) | ≤-65 | ||
CSO | (dB) | ≤-65 | ||
SBS | (dB) | ≥16.0 | 13,16 | |
General Parameters | NM interface | RJ45,R232 | ||
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) | |
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Main application
1. FWT-1550EC optic transmitter 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 with excellent P/P ratio .
2. It can also avoid the limitation on transmission bandwidth and distance as well as system CSO deterioration caused by laser chirp for adopting 1550nm direct modulated optical transmitter.
Ordering information
FWT-1550EC -1×5 (one output,≥5dBm) FWT-1550EC -1×6 (one output,≥6dBm) FWT-1550EC -1×7 (one output,≥7dBm)
FWT-1550EC -1×8 (one output,≥8dBm)
FWT-1550EC -1×9 (one output,≥9dBm)FWT-1550EC -2×3 (two outputs, ≥3dBm) FWT-1550EC -2×4 (two outputs, ≥4dBm) FWT-1550EC -2×5 (two outputs, ≥5dBm)FWT-1550EC -2×6 (two outputs, ≥6dBm)
FWT-1550EC -2×7 (two outputs, ≥7dBm)
Externally Modulated 1550nm fiber optical TV transmitter
