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You are here: Home » PRODUCTS » CATV Series » Optic Transmitter » MXT-OT-1550D Directly Modulated Optical Transmitter

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MXT-OT-1550D Directly Modulated Optical Transmitter

MXT-OT-1550D series directly modulated optical transmitter adopts high-performance DFB laser, operating in 1550nm frequency range, optical transmitter modulates headend RF signal into 1550nm wavelength optical signal, and combines the modulated optical signal to fiber cable, and completes far distance, large area cover transmission for image, audio and data.

  • MXT-OT-1550D
  • MXT

MXT-OT-1550D.png


Overview

MXT-OT-1550D series directly modulated optical transmitter adopts high-performance DFB laser, operating in 1550nm frequency range, optical transmitter modulates headend RF signal into 1550nm wavelength optical signal, and combines the modulated optical signal to fiber cable, and completes far distance, large area cover transmission for image, audio and data.


Features

● Adopts high linearity, low noise distributed reaction type DFB laser with optical isolator as source.

● Push-pull double power supply design, input voltage range is up to AC110V~265V.

● 47~862MHz operation bandwidth, with AGC function, to realize amplification and automatic optical modulation depth control.

● Adopts DFB components back light monitor and control circuit, to realize optical power high stability.

● High effective temperature control circuit, to ensure laser chip temperature in 25±0.5℃ constantly in various temperature environment.

● Adopts pre-distortion circuit to improve optical transmitter performance parameters in further.

● 1U standard rack, equipped-in high-bright displayer in front panel, to display equipment’s each operation status parameters exactly.

● Installation complies to sort-II network management transponder, through network management system to monitor and control equipment’s operation status, performance remotely, to improve network reliability.


Block diagram


Specifications

Items

Units

Parameters

Remark

Optical

Output optical power

dBm

6

8

9

10


mW

4

6

8

10


Optical wavelength

nm

1550±15


Optical connector

-

SC/APC or FC/APC


Optical return loss

dB

45


RF

Frequency range

MHz

47~862


In-band flatness

dB

±0.75


RF input level

dBuV

80±5


Level adjustment range

dB

±7

0.2dB step

RF level control mode


Automatic/manual


C/N

dB

51

-1dBm receiving optical power, 5km fiber, 59 PAL-D signal

C/CTB

dB

65

C/CSO

dB

60

RF connector


Standard F type


Physical

Operation temperature

-10~+55


Power voltage

V

AC110~265


Outer dimension

mm

440×370×44


Packing dimension

mm

440×370×44


Weight

kg

4.8


Feedback

Our products range from the basic components to end products, including passive and active categories.
 E-mail:  ricky@chnmxt.com
 Add: No.5-926 ,Central of Guo Rui , Lin'an Zone,
Hangzhou City, China
 Tel: +86-571-63870190
Copyright  Hangzhou Mingxin Fiber Network Technology Co.,Ltd. All rights reserved.