Fiber-Span LLC FS31X-19 用户手册

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Fiber Optic RF Repeater System 

 
 

 

Figure 3. Local Base Station System 

 
4 Product 

 
RRU Block Diagram 

 

Line 

Cord

PA

PA

L

L

C

H

H

Power 

Supply +28V

N-F

Fibe

r 

Tran

sceiv

e

r

FC/APC

FC/APC

[Alarm]

[RF]

[Opt Out]

[Opt In]

Control Board

Power 

Supply +12V

LN

A

LN

A

Door 

Switch

Figure 4.  Simplified Block Diagram of RRU 

 
 
 
 
 
 
 
 
 
 
 

Optical 

Fiber 

RRU

RRU

RRU

RRU