Data Controls GS-2328KX Installation And Getting Started Manual
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Publication date: Feb., 2012Revision A123CONNECTIVITY RULESWhen adding hubs to your network, please note that because switches break up thepath for connected devices into separate collision domains, you should not includethe switch or connected cabling in your calculations for cascade length involvingother devices.1000BASE-TCABLEREQUIREMENTSAll Category 5 UTP cables that are used for 100BASE-TXconnections should also work for 1000BASE-T, providingthat all four wire pairs are connected. However, it isrecommended that for all critical connections, or anynew cable installations, Category 5e or Category 6 cableshould be used. The Category 5e and 6 specificationsinclude test parameters that are only recommendationsfor Category 5. Therefore, the first step in preparingexisting Category 5 cabling for running 1000BASE-T is asimple test of the cable installation to be sure that itcomplies with the IEEE 802.3-2005 standards1000 MBPS GIGABIT ETHERNET COLLISION DOMAINTable 5: Maximum 1000BASE-T Gigabit Ethernet Cable LengthCable Type Maximum Cable Length ConnectorCategory 5, 5e or 6 100-ohmUTP or STP100.m (328 ft) RJ-45Table 6: Maximum 1000BASE-SX Gigabit Fiber Cable LengthsFiber Size Fiber Bandwidth Maximum Cable Length Connector62.5/125 micronmultimode fiber160 MHz/km200 MHz/km220 m (722 ft)275 m (902 ft)LCLC50/125 micronmultimode fiber400 MHz/km500 MHz/km500 m (1641 ft)550 m (1805 ft)LCLCTable 7: Maximum 1000BASE-LX/LHX/XD/ZX Gigabit Fiber Cable LengthFiber Size Fiber Bandwidth Maximum Cable Length Connector9/125 micronsingle-mode fiber1310nmN/A 10km (6.2 miles) LC9/125 micronsingle-mode fiber1550nmN/A 30km (18.64 miles)50km (31.06 miles)LCLCTable 8: Maximum 1000BASE-LX Single Fiber Gigabit Fiber Cable LengthFiber Size Fiber Bandwidth Maximum Cable Length ConnectorSingle-modeTX-1310nmRX-1550nmN/A 20km (12.42miles) BIDILCSingle-modeTX-1550nmRX-1310nmN/A 20km (12.42miles) BIDILC |
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