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1550nm Directly Modulated Optical Transmitter

Item No.: V8610TD 
V8610TD is a high performance forward path transmitter.19 inches rack mount structure, high linearity and low noise 1550mm DFB laser and state of the RF control circuits, pre-distortion, these make V8610TD a desirable choice for metro HFC network.
Description Features parameters  Application
   Product introduction

V8610TD is a high performance forward path transmitter.19 inches rack mount structure, high linearity and low noise 1550mm DFB laser and state of the RF control circuits, pre-distortion, these make V8610TD a desirable choice for metro HFC network.
V8610TD uses 1550nm DFB laser with high linearity and low noise. Pre-distortion circuit improves the performance and stability of DFB laser. AGC/ATC mechanism provides protection to laser and ensures the performance and stability module and feedback to intelligent system platform. This ensures the laser to work at normal status and high performance. If the laser operating parameter out of specification that is set by software, it will set-off the lasers power supply, and display the information on the front panel LCD.

  Interface Description

Directly Modulated Optical Transmitter
 
Port Type Function
LED Indication Display device operating status
LCD Indication Display device operating status
Operation buttons Operating the device
 
   Special Features
  1. 1550 optical transmitter
  2. Selectable AGC (automatic gain control) or MGC (manual gain control)
  3. Accepts low signal input levels
  4. Front panel LCD display
  5. Low RIN, High CNR
  6. High CSO, CTB and XMOD
  7. High linearity and low noise DFB laser, large transportation capacity
  8. Effective Automatic Temperature Control (ATC) and Automatic Power Control (APC) of the laser to ensure stable operation
  9. Microprocessor control and monitor
  10. RS485 interface for remote monitoring and control
  11. 45~870/1000 MHz bandwidth
  12. RF pre-distortion circuit for excellent CNR and low distortion performance
   Technical parameters
 
Description Unit value Notes
Optical specifications
Optical wavelength nm 1555±20  
Laser Type   Cooled DFB LD  
Optical Power dBm 10  
LD RIN dB/Hz ≥-160  
Connect type   SC/APC FC/APC(option)
RF specifications(
Operating bandwidth MHz 45~870/1000  
Flatness dB ≤±0.75  
RF Input Impedance Ω 75  
input Return Loss dB ≥16 45550 MHz
≥14 5501000MHz
RF Input Level dBmV/Ch 80±5 @59CH  PAL-D CW loading
Test Point dBuv ≥70  
Connector Type   F type female F type male option
AGC dB ±5  
CNR   51dB(typical) 59CH PAL-D CW loading, PHOTON standard Reciever,10km optical fiber , -1dBm optical input power, 80 dB V input level at 870MHz, 3.6% OMI
CSO   ≤-57 dBc
CTB   ≤-63dBc
others
Control Interface      RJ45  
Power supply      90~260VAC 50/60Hz  
Power consumption W 30 MAX
Dimension L x W x H mm 483x450x44 Box:530x500x100
Operating Temperature 0~+50  
Storage Temperature -25~+65  
Storage Humidity PH% 5%~95%Max No Condensation
weight Kg Net :2.8 Gorss:3.8
 
 
 
   Application Chart

Directly Modulated Optical Transmitter application chart picture

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