1550 External Modulation Optical Transmitter
ST1550E Optic transmitter is usually used for long-distance transmission. By ITU-T wavelength, access to a broadband PON Network is easily implemented, or applying to the FTTH Solution by WDM Technologies.
Feature
◆Narrow bandwidth (Typ=1MHz), Lower noise, DFB continuous wave laser.
◆Unique innovation technology; Providing excellent CNR, CTB, CSO, SBS.
◆ITU standard wavelength is adjustable. Users can adjust and set the laser wavelength on the front-panel with ±0.05nm stepping in the range of ±200GHz (±1.6nm), while executing network upgrading and WDM System Expansion.
◆AGC/MGC Mode is optional at spot; OMI can be optimized at spot.
◆Perfect RS232 communications interface.
◆SNMP network management optional.
◆1+1 backup power supply optional.
◆Excellent P/P ratio.
Parameter
Performance | Unit | Index | Supplement | |
Optic feature | Laser wavelength | nm | 1550±10 | Accordable with ITU-TG.692 Standard |
Linearity width | MHZ | ≤1 | △λ | |
Equivalent noise | ||||
intensity | dB/Hz | ≤-160 | RIN 20~1000MHz | |
Output power | dBm | 2×7 | 2×5、2×9、1×7、1×5 | |
Return loss | dB | ≥60 | ||
Optic fiber connector | FC/APC | SC/APC or E-2000 | ||
RF feature | Work bandwidth | MHZ | 45-862 | |
Input level | dBmV | 18~28 | AGC | |
Flatness | dB | ≤±0.75 | 45~862MHz | |
Return loss | dB | >16 | 45~750MHz | |
Input impedance | Ω | 75 | ||
Link feature | Transmit channel | PAL-D/60ch | ||
CNR1 | dB | ≥53.5 | ||
CNR2 | dB | ≥52 | 65Km optic fiber 0dBm receive | |
CTB | dB | ≤-65 | ||
CSO | dB | ≤-65 | ||
SBS restrain | dBm | ≥16.0 | 13、16、18 fixed or adjustable optional | |
General feature | Network interface por | t | RJ45,R232 | Support I.E. & SNMP |
Power supply | V | 90~265 city power | -48VDC optional | |
Power Consume | W | ≤50 | Single power works | |
Work temp. | ℃ | -5~65 | Machine temp. control automatically | |
Storage temp. | ℃ | -40~85 | ||
Work relative temp. | % | 5~95 | ||
Size | “ | 19×14.5×1.75 | WxDxH |
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