Chengdu Kangbo Photoelectric Engineering Technology Co., Ltd.
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Contact Us
  • Contact Person : Mr. Zhang Dongfan
  • Company Name : Chengdu Kangbo Photoelectric Engineering Technology Co., Ltd.
  • Tel : 0086-28-85362901
  • Fax : 0086-28-85374201
  • Address : Sichuan,Chengdu,1-213, 9 WUKE EAST 3 ROAD, WUHOU DIST, CHENGDU CITY, CHINA
  • Country/Region : China
  • Zip : 610045

Downstream Two-way Optical Receiving Unit GSB821

Downstream Two-way Optical Receiving Unit GSB821
Product Detailed
Two-way optical receiving With main backup automatic switching function High sensitive optical power receiving Both MGC/AGC

Features

1.      Two-way optical receiving,   with main backup automatic switching function;   

2.      High sensitive optical power receiving, broad dynastic range,high-performance RF output;

3.      Both MGC and AGC operation mode support the alarming function;

4.      Advanced national network module, remote control, intelligent management;

5.      Remote/Local accurate attenuation  setting;

6.      Excellent optical receiving module, RF amplifier module, excellent indication;

7.      Module design,  plug-in installment;

8.      LED polite lamp on front panel;

Technical  Specification  

Item

Parameter      

Remark 

Input optical power range

-4 dBm~+3 dBm

 

Optical return loss

>45 dB

 SJ/T  10663-1995

Equivalent input noise current

≤8 PA/

 SJ/T 10663-1995

Standard optical wave

1310 nm, 1550 nm

 

Optical connection type

SC/APC or FC/APC

 

Frequency range

47 MHz~862 MHz

 

Flatness

±0.75 dB

Optical receiving power -1dBm

RF output signal level

≥102 dBμv

Optical receiving power -1dBm

Output port testing level

-20 dB±1 dB

 

Nonlinearity

distortion(Remark)

C/CTB

≥75 dB

GY/T-143-2000-6.2.7

C/CSO

≥70  dB

GY/T-143-2000-6.2.7

C/N

≥50 dB

 

RF output impendence

75Ω

 

RF output return loss

≥16 dB

GB/T11318.1

AGC input optical power range

-3.5 dBm~ +3 dBm

 

Recommend output optical power

-3 dBm~ +1 dBm

 

Downstream Two-way Optical Receiving Unit GSB821



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