WBLXT9785
features included in the LXT9785E transceiver. The LXT9785E is an enhanced version of the LXT9785 that detects Data Terminal Equipment (DTE) requiring power from the switch over a CAT5 cable. The system uses the information collected by the LXT97985E to apply power if the DTE at the far end requires power over the cable, such as an IP telephone. Each network port can provide a twisted-pair (TP) or Low-Voltage Positive Emitter Coupled Logic (LVPECL) interface. The twisted-pair interface supports 10 Mbps and 100 Mbps (10BASE-T and 100BASE-TX) Ethernet over twisted-pair. The LVPECL interface supports 100 Mbps (100BASE-FX) Ethernet over fiber-optic media. The LXT9785/LXT9785E provides three discrete LED driver outputs for each port. The devices support both half-duplex and full-duplex operation at 10 Mbps and 100 Mbps and require only a single 2.5 V power supply.
Applications
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Enterprise switches IP telephony switches
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Storage Area Networks Multi-port Network Interface Cards...
