EMS EkoLink Plus EPCELL20REM Operator's Manual page 30

EMS Wireless
EkoLink Plus Fiber Optic DAS
BTS Tx
Input
BTS Rx
Output
Controller
Wireline or Wireless
Modem
Telco Line
29
1:2
1:2
1:2
1:2
Figure 12: Block Diagram of EkoLink Plus Hub
DL
Fiber Optic
Transceiver
UL
Variable
Attenuator
Link 1
1:2
Variable
Attenuator
Link 3 or
Diversity Rx 1
DL
Fiber Optic
Transceiver
UL
DL
Fiber Optic
Transceiver
Variable
UL
Attenuator
Link 2
1:2
Variable
Attenuator
Link 4 or
Diversity Rx 2
DL
Fiber Optic
Transceiver
UL
Operator's Manual
Fiber
In/Out
Out
WDM
In
Fiber
In/Out
Out
WDM
In
Fiber
In/Out
Out
WDM
In
Fiber
In/Out
Out
WDM
In