Patton electronic MODEL 2707/I Manual Do Utilizador

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13
 
Connecting Dual Coaxial Cable (75 ohm) to the G.703 Network
 
Refer to Figure 5 to make the proper connections.
 
Figure 5. 
 
Rear panel, showing location of connectors
 
Note
 
The outer conductor of the coax cables are isolated from system 
earth ground.
 
When using the 75-ohm interface, jumper straps JP2, JP5, JP6, and JP7 
must be installed over the jumpers. The jumpers are located next to the 
BNC connectors. Do the following to configure the jumpers:
   1. Open the case by inserting a screwdriver into the slots and twist the 
screwdriver head slightly. The top half of the case will separate from 
the lower half of the case. Take caution not to damage any of the PC 
board mounted components
   2. Open the case and install jumper straps for JP2, JP5, JP6, and JP7.
TX
RX
DataTO
Network
Data
FROM
Network