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<p>The Echo Array is a very high density voice packetizer for building large scale PRI/E1 based TDM voice recording systems.</p><p><img class="editor-inline-macro" src="/plugins/servlet/confluence/placeholder/macro?definition=e3NjcmVlbnNob3RtYWNybzpCb3JkZXI9ZmFsc2V8U2hhZG93PWZhbHNlfFVSTD0vZG93bmxvYWQvYXR0YWNobWVudHMvMTc0MDA0MjEvZWNob19hcnJheS5wbmd9&locale=en_GB&version=2" data-macro-name="screenshotmacro" data-macro-parameters="Border=false|Shadow=false|URL=/download/attachments/17400421/echo_array.png"></p><p>It includes embedded DSP arrays for D-channel decoding, voice processing and IP packet streaming.</p><p>The rugged design, low power consumption, redundant power supplies and TDM module hot-swap facility results in unmatched reliability.</p><p>D-channel signalling supports Call Setup, Connect, Clear, DDI number and CLI number decoding. It also supports all major ISDN variants, Q.SIG, DASS-2 and DPNSS.</p><p>It has highly secure encrypted IP streaming of the mixed upstream and downstream sides of a conversation.</p><p>The speech encoding/compression is 64kbit/s A-law (G.711), 36kbit/s proprietary encoding. The estimated MTBF is 600,000 hours.</p><h3>Features & benefits</h3><ul><li>3U and 7U height 19" rackmount models with respectively 40 and 80 PRI / E1 interfaces (1200 and 2400 TDM channels)</li><li>Non intrusive and undetectable high impedance passive monitoring</li><li>Dialled number and Caller ID signalling support</li><li>Digital Signal Processor Arrays for voice streaming and D-channel protocol processing</li><li>Supports Windows XP SP3, Vista, 7, 8, 10, Server 2003, 2008 and 2012</li><li>Remote TCP/IP accessibility for system configuration and FLASH memory upgrading</li><li>Fully stand-alone embedded operation</li><li>Redundant power supplies and full hot-swap facility for the plug-in modules</li><li>64kbit/s A-law and high quality compressed 36kbit/s speech encoding</li><li>Supports writing of directly playable WAV files to disk</li><li>Highly secure encrypted IP streaming</li><li>Custom IP output formats possible for supporting existing IP Recording systems</li><li>CE, FCC and RoHS compliance</li></ul><h3>Technical specifications</h3><table class="confluenceTable"><thead><tr><td class="confluenceTd">Mechanical Characteristics</td><td class="confluenceTd">3U or 7U height 19" rack</td></tr></thead><tbody><tr><td class="confluenceTd">Operating temperature</td><td class="confluenceTd">0 <sup>o</sup>C to +60 <sup>o</sup>C</td></tr><tr><td class="confluenceTd">Humidity</td><td class="confluenceTd">5% to 80% non-condensing</td></tr><tr><td class="confluenceTd">Maximum power requirements</td><td class="confluenceTd">+5Vdc (400 mA), +12Vdc (50 mA), -12Vdc (50 mA)</td></tr><tr><td class="confluenceTd">Operating Systems supported</td><td class="confluenceTd">All 32-bit and 64-bit Windows editions</td></tr><tr><td class="confluenceTd">Maximum density</td><td class="confluenceTd"><p>Virtually unlimited, 2000+ ports total</p></td></tr></tbody></table><h3>PRI specifications</h3><table class="confluenceTable"><tbody><tr><td class="confluenceTd">Rate</td><td class="confluenceTd">E1 (2.048Mb/s), T1 (1.544Mb/s)</td></tr><tr><td class="confluenceTd">AC Impedance</td><td class="confluenceTd">1100Ω</td></tr><tr><td class="confluenceTd">Maximum tap length</td><td class="confluenceTd">100m (Terminated), 10m (Unterminated)</td></tr><tr><td class="confluenceTd">Protocol support</td><td class="confluenceTd">All major ISDN variants: Q.SIG, DASS-2, DPNSS</td></tr></tbody></table>
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