Caution

The DSC Platform Ethernet interfaces are configured for auto-negotiation. Therefore, it is recommended that you also set your network device such as a switch, hub, or router to auto-negotiation. Otherwise, the system may not perform as expected or link errors can occur.


Auto-negotiation is a mechanism that controls the flow of data when a connection is established between the DSC Platform and a network device. This mechanism detects the various modes that exist in the network device and advertises its own abilities to automatically configure the highest performance mode of interoperation. As a standard technology, this allows simple, automatic connection of devices that support a variety of modes from a variety of manufacturers.

Auto-negotiation acts like a rotary switch that automatically switches to the correct technology such as 10Base-T, 100Base-TX, 100Base-T4, or a corresponding Full Duplex mode. When the highest performance common mode is determined, auto-negotiation passes control of the cable to the appropriate technology and becomes transparent until the connection is broken.

 

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