Allied Telesis AT-MR904TX - 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