For example, this could be because the port was disabled by management, suspended due to an address violation, or suspended by STP due to the presence of network loops. Off Half duplex is operational. Green Full duplex is operational. The peak utilization is recorded in the bandwidth-capture interval. You can change to the utilization mode by pressing the Mode button and releasing it when UTL is highlighted.
Current bandwidth is shown with a series of lit LEDs topped by a rapidly blinking one.
Table 1-6 shows the bandwidth utilization scale. Note that LED 1 indicates any traffic from 0 to 0.2 Mbps. Plug the power cord into the power receptacle located on the rear panel of the switch. Use this port to connect the necessary modem or terminal to the switch. Use the reset switch only if the EtherSwitch 1420 or 1220 does not respond to network management or if packet forwarding has stopped.