Front panel description, Table 2: front panel leds – Allied Telesis AT-MR904TX User Manual
Page 13
AT-MR904TX Hub
3
Front Panel Description
The front panel has LEDs to help you monitor the status of the hub, ports and
connected segments, as shown in Figure 2. Table 2 lists and defines the front
panel LEDs.
Figure 2:
Front Panel LEDs
Table 2: Front Panel LEDs
LED
Color
Description
PWR
Green
ON when unit is receiving power.
OFF when unit is not receiving power.
COL
Amber
ON when data collisions occur.
OFF when data collisions do not occur.
Link/Activity
Green
ON when the adapter is connected to the hub port.
FLASHES when unit is receiving data.
Error
Yellow
FLASHES when data errors occur.
ON when the port is partitioned or isolated.
Utilization
Green
ON when traffic is either being transmitted/received of Fast
Ethernet bandwidth
100BASE-TX IEEE 802.3u 4 PORT STACKABLE HUB
LINK / ACTIVITY
ERROR
HUB STATUS
1
2
3
4
1
8
16
32
64
Utilization (%)
COL PWR
MR904C1Book Page 3 Tuesday, September 2, 1997 10:28 AM