D-Link 824TP User Guide - Page 11

receptacle on the rear panel of the Ethernet Hub. Plug the other end of the power cord into an electric service outlet. Turn on power to the Ethernet Hub by switching its rear-panel power switch to the on position. LED Indicators LED indicators are located on the front panel of the Ethernet Hub. Jabber LED One Jabber LED for all ports. This LED flashes red when the Ethernet Hub detects a data packet that is defective (exceeds allowable length). This kind of error will ordinarily be managed by the offending Ethernet adapter itself, in which case the Jabber LED will return to its normal off (dark) state. Collision LED One Collision LED for all ports. A collision occurs when two stations within a collision domain attempt to transmit at the same time. Intermittent flashing yellow of the Collision LED is normal; the contending adapters resolve each collision by means of a wait-then-retransmit algorithm. Fre-quency of collisions is an indicator of heavy traffic on the network. Link/Rx LEDs One Link/Rx LED for each numbered port. Steady green (Link state) indicates that the port has good linkage to its partner device. Flashing