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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