Product
RDT-1550
1550nm Direct Modulated Optical Transmitter(SBS ≥17dBm, Linewidth≤1.0MHz)
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● Low chirp, high linearity DFB laser.
● Dual RF module driver, high efficient laser pre-distortion correcting.
● Full-automatic OMI control, AGC & MGC.
● Builded back-up power supply, automatically switch.
● Housing temperature auto-control, ensure the long life of the laser.
● Dual RF module driver, high efficient laser pre-distortion correcting.
● Full-automatic OMI control, AGC & MGC.
● Builded back-up power supply, automatically switch.
● Housing temperature auto-control, ensure the long life of the laser.
Parameter
|
Unit
|
Index
|
Optical Parameter
|
||
Operating Wavelength
|
nm
|
1548~1563nm
|
1530~1563nm, ITU wavelength
|
||
Laser Linewidth
|
MHz
|
≤1.0
|
Side mode suppression ratio
|
dB
|
≥45
|
|
dB
|
≥20
|
Equivalent noise intensity
|
dB/Hz
|
≤-160
|
Output Port Number
|
/
|
1
|
Output power
|
dBm
|
3/6/10
|
Return loss
|
dB
|
≥55
|
Optical Connector
|
/
|
SC/APC, FC/APC
|
RF Parameter
|
||
Work Bandwidth
|
MHz
|
47~862/1000
|
Flatness
|
dB
|
±0.75
|
Input Level
|
dBuV
|
78~82
|
Input Impedance
|
Ω
|
75
|
RF Return Loss
|
dB
|
>16
|
RF Port
|
/
|
F-Female
|
Link Parameter
|
||
Test Channel Number
|
/
|
PAL-D/60CH
|
CNR
|
dB
|
≥50
|
CTB
|
dB
|
≤-63
|
CSO
|
dB
|
≤-57
|
SBS
|
dBm
|
≥17
|
General Parameter
|
||
Power Supply
|
V
|
90~265VAC or 48VDC
|
Power Consumption
|
W
|
≤50
|
Operating Temp.
|
℃
|
-5~65
|
Storage Temp.
|
℃
|
-40~85
|
Operating relative humidity
|
%
|
5~95
|
Communication interface
|
/
|
RS232
|
SNMP network management interface
|
/
|
RJ45
|
Dimension
|
mm
|
483*254*44
|
● Provide VOD value-added service in second-grade service area (sub-headend).
Analog digital mixed transmit <15Km (common distance ≤10km).
Pure digital load <40Km.
● WDM narrow band multiplex >70Km.
Analog digital mixed transmit <15Km (common distance ≤10km).
Pure digital load <40Km.
● WDM narrow band multiplex >70Km.