Product Main

Quick Details

Place of Origin: China (Mainland)
Brand Name: WTD
Model Number: EM1550-xx

Specifications

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