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EIS-2 & EIS-2-RJ - iServer Industrial MicroServer Manual - NEWPORT

EIS-2 & EIS-2-RJ - iServer Industrial MicroServer Manual - NEWPORT

EIS-2 & EIS-2-RJ - iServer Industrial MicroServer Manual - NEWPORT

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2.5 Network Communication Interfaces2.5.1 10Base-T <strong>RJ</strong>-45 PinoutThe 10BASE-T Ethernet network (<strong>RJ</strong>-45) system is used in the <strong>iServer</strong> for networkconnectivity. The 10 Mbps twisted-pair Ethernet system operates over two pairs of wires.One pair is used for receiving data signals and the other pair is used for transmitting datasignals. This means that four pins of the eight-pin connector are used.Pin Name Description1 +Tx + Transmit Data2 -Tx - Transmit Data3 +RX + Receive Data4 N/C Not Connected5 N/C Not Connected6 -Rx - Receive Data7 N/C Not Connected8 N/C Not Connected2.5.2 10Base-T Crossover WiringFigure 2.6 <strong>RJ</strong>45 PinoutWhen connecting the <strong>iServer</strong> directly to the computer, the transmit data pins of thecomputer should be wired to the receive data pins of the <strong>iServer</strong>, and vice versa. The10Base-T crossover cable with pin connection assignments are shown on Figure 2.7.Figure 2.7 10Base-T Crossover Cable WiringUse straight through cable for connecting the <strong>iServer</strong> to an Ethernet hub.The ports on the hub are already crossed.8

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