External Modulation Optical Transmitter EM1550-xx, 1550nm, 47~862MHz, SBS, 13/16/18dBm or adjustable,2 output ports with ≥7mW output optical power, imperial F type female port, FC/APC or SC/APC connector, RJ45 and RS232, VFD, 19" 1U, EURO or USA power cord.
Features:
> Narrow bandwidth (Typ.=1MHz), lower noise, DFB continuous wave laser
> The operating bandwidth is up to 47~1080MHz
> Perfect index: Unique innovation technology, provide excellent CNR, CTB, CSO & SBS
> Perfect RS232 communication interface
> SNMP network management function optional
> 1+1 backup power supply optional
> Casing temperature auto-control
> Excellent P/P ratio
> AGC/MGC mode is optional at spot. OMI can be optimized at spot
Specification:
|
Item
|
Specification
|
|
Optical feature
|
|
Optical wavelength
|
1548~1563nm
1530~1563nm
|
CATV wavelength
ITU standard
|
|
Wavelength ADJ. range
|
±1.6nm(±200GHz)
|
|
|
Wavelength ADJ. mode
|
±0.5nm stepping
|
|
|
Linewidth
|
=0.651MHz
|
FWHM(△λ)
|
|
Side mode suppression ratio
|
45dB
|
SMSR
|
|
Extinction ratio
|
20dB
|
XP
|
|
Equivalent noise intensity
|
-160dB/Hz
|
RIN (20~1000MHz)
|
|
Output power
|
2x7
|
2x5, 2x9 options
|
|
Return loss
|
50dB
|
|
|
Optical fiber connector
|
FC/APC or SC/APC
|
|
|
RF feature
|
|
Work bandwidth
|
47~862MHz
47~1000MHz
47~1080MHz
|
|
|
Input level
|
18~28dBmV
|
AGC
|
|
Fatness
|
±0.75dB
≤±1.5dB
|
862~1000MHz
|
|
Rerun loss
|
＞16dB
|
47~1000MHz
|
|
Input impedance
|
75ohm
|
|
|
RF port
|
F female
|
|
|
Link feature
|
|
Transmit channel
|
PAL-D/60CH
|
PAL-D/99CH
|
|
|
CNR1
|
53dB
|
51.5dB
|
Back to back
|
|
CNR2
|
≥51.5dB
|
≥49.5dB
|
65km optical fiber
0dBm receive
|
|
CTB
|
-65dB
|
≤-65dB
|
|
|
CSO
|
-65dB
|
≤-65dB
|
|
|
SBS restrain
|
13~18dBm
|
Adjustable
|
|
General feature
|
|
Network management interface
|
RJ45, RS232
|
Support IE &SNMP
|
|
Power supply
|
90~265V/50/60Hz
|
-48V optional
|
|
Power consume
|
≤50W
|
Single power works
|
|
Work temperature
|
℃
|
Machine temperature
Control automatically
|
|
Storage temperature
|
-40~85℃
|
|
Relative humidity
|
5~95%
|
|
|
Dimension
|
19inch,1U
|
Application:
> HFC network
> PON network
