Product specifications

181
Status LEDs
The status LEDs are part of the Cabletron Systems LANVIEW
¨
Status
and Monitoring Diagnostics System. Use the LEDs to monitor the
status of various hub components.
Table 11-4 describes the status LEDs.
For more information about the SEHI-24 Ethernet hub, see the SEHI-24
10BASE-T Intelligent Stackable Hub UserÕs Guide.
Table 11-4 Cabletron Systems Status LED
LED Description
PWR When this LED is on (green), the hub is receiving power normally.
If this LED is off, there is a problem with the hubÕs power.
CPU During normal operation, this LED blinks green. The LED turns
red if there is a problem with the processor.
CLN If this LED turns red, a collision has occurred on one of the ports.
RCV There is one RCV LED corresponding to each port on the hub.
When this LED ßashes yellow, it indicates that the corresponding
port is receiving data.
LNK There is one LNK LED corresponding to each port on the hub.
When this LED is green, a link has been established between the
associated cable and the 10Base-T device at the other end of the
cable.