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            NTU Optical Network Terminals    13 
Operating temperature range 
2.5 Design 
2.5.1 NTU-2V 
NTU-2V devices are designed as 122×96×32 mm desktop device in a plastic housing. 
The figure  4 shows the NTU-2V rear panel layout. 
 
Fig. 4—NTU-2V Rear Panel 
The connectors and controls located on the rear panel of NTU-2V are shown in the table . 
Table 3—Description of the LEDs and Controls Located on the Rear Panel  
RJ-11 connector for analogue phone connection  
RJ-45 10/100/1000Base-T port for connection of network devices 
RJ-45 100Base-TX port for connection of network devices 
SC port (socket) for connection to PON with GPON interface