Gold Member Since 2009
Audited Supplier
Hangzhou Softel Optic Co., Ltd.

Optical Transmitter, 1550nm Optic Transmitter, External Transmitter manufacturer / supplier in China, offering FTTH Optical Cable TV Externally Modulated Transmitter with AGC, HD DVB-T2 and DVB-S2 Satellite Finder Meter, Waterproof 4 Output Optical Node with CPU Control Function and so on.

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FTTH Optical Cable TV Externally Modulated Transmitter with AGC

FOB Price: US $1,000-6,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1,000-6,000/ Piece
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Port: Shanghai, China
Production Capacity: 1000PCS Per Month
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram

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Basic Info
  • Model NO.: ST1550Exx
  • Function: Signal Transmitting Device, Signal Transmission Equipment, Signal Monitoring Equipment
  • Condition: New
  • Output Power: 2*5dBm
  • Power Supply: 90-265VAC
  • Size: 19*14.5*1.75
  • Transport Package: Packed with Polyfoam, Outer Packed with Brown Box
  • Origin: Hangzhou, Zhejiang, China
  • Type: CATV(Cable Television)Equipment
  • Certification: CE, ISO
  • Laser Wavelength: 1540-1563nm
  • RF Port: F-Female
  • Work Temp: 0-50
  • Trademark: Softel
  • Specification: CE; ISO9001
  • HS Code: 85176229
Product Description
ST15Exx is a high performance external modulation 1550nm Optic transmitter with a high quality LiNbO3 external modulator and a high power, narrow bandwidth, low noise DFB laser. It adopts a series of unique innovation technique to reach the excellent system control. With 47~862Mhz bandwidth, CNR ≥ 53dB, CTB ≤ -65dB, CSO ≤ - 65dB, SBS: 13, 16, 18adjustable, it can make CATV network transmit video, audio and data with high performance. The machine can is equipped with perfect RS232 communication interface, SNMP network management and 1+1 backup power supply.
 FTTH Optical Cable TV Externally Modulated Transmitter with AGC
FTTH Optical Cable TV Externally Modulated Transmitter with AGC
FTTH Optical Cable TV Externally Modulated Transmitter with AGC

ST15Exx Optic transmitter features Two-way optic output, narrow spectral line, and can be used for long distance transmission. With ITU-T wavelength, it can implement the access of a broadband PON network or FTTH by using the WDM Technologies.
ST15ExxC: Standard type, dual fiber output CATV work wavelength, 1MHz laser line width, SBS 13, 16,18dBm adjustable, SNMP network management optional.
ST15ExxU: Standard type, dual fiber output ITU wavelength adjustable, 1MHz laser line width, SBS 13, 16,18dBm adjustable, SNMP network management optional.

Main Features
Externally modulated technology, no laser chip, low dispersion distortion, high extinction ratio.
Narrow bandwidth (Typ=1Mhz), Lower noise, DFB continuous wave laser.
The working bandwidth is up to 47~1080Mhz
Unique innovation technology, provide excellent CNR, CTB, CSO&SBS.
ITU standard wavelength adjustable, the user can adjust and set the laser wavelength on the front-panel with ±0.05nm stepping in the range of ±200GHz (±1.6nm), used in the network upgrading and expansion of WDM system.
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.
Temperature in the housing auto-control.
Excellent P/P ratio

Optic featureOperating wavelength(nm)1540~1563 
Wavelength adjustable range(nm)±1.6 (±200GHz) 
Wavelength adjustable mode ±0.05nm stepping 
Side mode suppression ratio(dB)≥45SMSR
Equivalent noise intensity(dB/Hz)≤-160RIN (20~1000MHz)
Output power(dBm)1×5Optional 1×3, 1×6, 1×7
Return loss(dB)≥55 
optical fiber connector SC/APCOptional FC/APC,LC/APC
RF featureWork bandwidth(MHz)47-86247~1000, 47~1080 optional
Input level(dBmV)18~28AGC
  ≤±1.5862~1000MHz (optional)
Return loss(dB)>16 
Input impedance(Ω)75 
RF port F-Female 
Link featureTransmit channel PAL-D/60CHPAL-D/99CH 
CNR1(dB)≥52≥50.5Back to back
CNR2(dB)≥50.5≥4950Km optical fiber, 0dBm receive
SBS restrain(dBm)13 
General featureSNMP network management interface RJ45 
Communication interface RS232 
Power supply(VAC)90~26550/60Hz
Power Consume(W)≤50Single power works
Operating temp.(°C)0~50Machine temp. control automatically
Storage temp.(°C)-40~85 
Operating relative humidity(%)5~95 
Size(")19×14.5×1.75 (W)x(D)x(H) 
Wavelength ADJ. Range(nm)±1.6 (±200GHz)
Wavelength ADJ. Mode ±0.05nm stepping
Side mode suppression ratio(dB)≥45
Equivalent noise intensity(dB/Hz)≤-160
Input level(dBmV)18~28
Input impedance(Ω)75
RF connector F-Female
SNMP NM interface RJ45
Communication interface RS232
Output power(dBm)2*3,2*5, 2*6, 2*7, 2*9, 2*10, 2*11 optional
Return loss(dB)≥50
Link featureTransmit channel PAL-D/60CHCNR1(dB)≥53
Transmit channel PAL-D/99CHCNR1(dB)≥51.5
SBS restrain adjustable(dBm)13~18
Optical fiber connector SC/APC
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