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Chapter 2 <br />

The PRA board is connected to a digital line termination (DLT) by 2 reinforced symmetrical<br />

pairs.<br />

Cable impedance: 120 Ohms +/- 20% between 200 kHz and 1 MHz; 120 Ohms +/- 10% at 1<br />

MHz.<br />

We recommend using an L120-series cable (or the L204 equivalent).<br />

The distance T2-DLT is limited by the amount of loss between the DLT and T2, which must not<br />

exceed 6 dB at 1024 kHz.<br />

2.2.4.3 External connections<br />

2.2.4.3.1 Output ports (faceplate)<br />

T2 board example<br />

2-20

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