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AT-MR904TX Hub

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

1234

1 8 16 32 64

Utilization(%)

COL PWR

MR904C1Book Page 3 Tuesday, September 2, 1997 10:28 AM

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Allied-telesis AT-MR904TX Bedienungsanleitung Seite 13