Downstream Optical Receiving Module GSB811

One-way optical receiving One-way RF output High sensitivity optical power receiving Module design, plug-in installment;

 Feature

1.      One-way optical receiving,  one-way RF output;

2.      High sensitivity optical power receiving, we dynamic range and  high-performance RF output;

3.      MGC/ AGC, selectable;

4.      Both MGC and AGC modes support alarming function, convenient maintenance;

5.      Advanced gold plating RF connector;

6.      Imported optical receiver,  RF amplifier module;

7.      Advanced national standard network module,  remote control, intelligent management;

8.      NC attenuation technology, control the modulation level of exciter precisely;

9.      Module design, plug-in installment;

10.    Tilt design, convenience  connection,and reliable

Technical Specification

Item		Parameter	Remark
Input optical power range		-12 dBm~ 0 dBm	SJ/T 10663-1995
Optical return loss		>45 dB	SJ/T 10663-1995
Equivalent optical input noise current		≤8 PA/	SJ/T 10663-1995
Standard optical wave length		1310 nm, 1550 nm
Optical connection		SC/APC	FC/APC
Frequency ranage		5 MHz~300 MHz
Flatness		±0.75 dB
RF output signal level		≥110dBµV(max)	MGC (optical power -2dBm)
		95±2 dBμv	AGC
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
RF output impendence		75Ω
RF output return loss		≥16 dB (5-300)MHz	GB/T11318.1

Downstream Optical Receiving Module GSB811