Download File - Performance Communications
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Connecting a system terminal or modem Page 189 of 436 Figure 74 Modem to a switch box and SDI and COM2 ports (dual-column systems) RJ11 jack Smart mode modem Modem cable (or NT8D46) Public phone network Terminal RS-232 cable Remote end SDI port on I/O panel Network module J21 on I/O panel J21 on I/O panel Core/Net 1 Core/Net 0 NT8D95 cables Rear View Switch box RJ11 jack Modem cable (or NT8D46) NT8D95 cable NT8D95 cable Dumb mode modem Note: The A0377992 switch box and A0381391 modem can be used in this configuration. 553-A0137 Large System Installation and Commissioning