Two-way Upstream Optical Receiving Module GSB222

Two-way optical signal input, Two-way RF signal output, separated Broad range AGC controller High sensitive receiving

Feature

1. Two-way optical signal input, two-way  RF signal output, separated;

2. Broad range AGC controller(optical power input 0~-10dBm);

3. High sensitive receiving (optical power input 0~-12dBm), suitable for different environment;

4. Easy operation, MGC/AGC working mode, convenient to maintenance;

5. Remote/Local accurate attenuation setting, improve  system stability and reduce maintenance time;

6. Internal advanced network  management  module, intelligent remote automatic management without extra cost

7. Small dimension, blade structure;

8. LED indicates working status, convenient to modulation and maintenance;

9. Tilt design, convenient and reliable for pigtails installment.

      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		≥16dB (5-300)MHz	GB/T11318.1
AGC range		-10 dBm ~ 0 dBm	Optical power

Two-way Upstream Optical Receiving Module GSB222