Patton electronics NetLink 2707C User Manual

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Patton electronics NetLink 2707C User Manual Manual pdf 10 page image

94.0 INSTALLATIONOnce the Model 2707 is properly configured, it is ready to connect to theG.703 interface, to the serial port, and to the power source. This sectiondescribes how to make these connections.4.1 CONNECTING TO THE G.703 NETWORKThe Power, G.703 and serial Line connections are located on the rearpanel of the Model 2707. The following sections describe operation ofthese connections.Connecting the 2707/D (X.21 version) Dual Coaxial Cable (75 Ohm)to the G.703 NetworkThe Model 2707/D (X.21 version) is equipped with dual female BNCs(TX and RX) for connection to a 75 Ohm dual coax G.703 network inter-face. If your G.703 network terminates via dual coaxial cable, use thediagram below to make the proper connections. (SeeFigure 3).Figure 3. Rear Panel, Showing Location of ConnectorsNote The outer conductor of the coax cables are isolated from systemearth ground.When using the 75 Ohm interface, jumper straps JP2, JP6, JP7, and JP5must be installed over the jumpers. The jumpers are located next to theBNC connectors. Refer to the following section to open the case. Openthe case and install jumper straps for JP2, JP6, JP7, and JP5.Opening the CaseOpen the case by inserting a screwdriver into the slots and twist thescrewdriver head slightly. The top half of the case will separate from thelower half of the case. Take caution not to damage any of the PC boardmounted components.