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1-6
Overview
Writer:
Chris Seiter
Project:
Compaq Netelligent 2724/2824 Dual-Speed Hub User Guide
Comments:
299440-001
File Name:
2824_1.DOC
Last Saved On:
6/27/97 4:02 PM
Figure 1- 3.
Smart Uplink Modules
The SUM provides two status LEDs: activity and collision. The activity LED is
a solid green when the link is active and flashes green when there is activity on
the port. The collision LED flashes yellow when a collision is detected and
lights solid yellow when the port is disabled. The collision LED does not reflect
conditions at the SUM’s hub port, only at the external interface port.
LED Indicators
The LED panel of the 2724/2824 hub helps you monitor the hub’s operation.
When you power on a hub, it performs a power-on self test (POST) which lasts
about 1 minute. After the POST, all LEDs reflect the current operational modes
which are described in Table 1-1.
Figure 1- 4.
Hub Status LEDs