Four way Upstream Fiber Optical Receiving Unit GSB244

Four-way optical signal input Four-way RF output Advanced gold plating RF connector MGC/AGC, selectable Broad range AGC

  Feature

1.      Four-way optical  signal input, four-way RF output;

2.      Advanced gold plating RF connector;

3.      High responsibility and super linearity optical receiving module to ensure the excellent indication;

4.      High sensitive optical receiving  (optical input power 0~-12dBm);

5.      MGC/AGC, selectable;

6.      Broad range AGC control(optical input power 0~-10dBm);

7.      Both MGC and AGC mode support the alarm, convenient to maintenance;

8.      Adopt NC attenuation technology, remote / local accurate attenuation setting;

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

10.      LED polite lamp on front panel;

11.      Module design, plug-in installment;

12.      Tilt design, convenient for fiber connection;

Technical Specification

Item		Parameter	Remark
Input optical power range		-12 dBm~ 0 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	FC/APC
Frequency range		5 MHz~200 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 (5-200)MHz	GB/T11318.1
AGC range		-10 dBm~ +0 dBm	Optical power

Four way Upstream Fiber Optical Receiving Unit GSB244