HP 10-Base-T Manual de Instalação descarregar pdf (Página 16)

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Installing the Hub

Installing Your Hub

Installing the HubInstalling the Hub

2. Check the LEDs on the hub’s front panel. When the hub is powered on, it

performs a power-on self test. See the table below for the LED self test

time that occurs during the self test. Note the upper number is for the HP

J3300A/HP J3302A and the lower number is for the HP J3301A/HP J3303A.

Figure 1-1. Self Test times for LEDs.

If the hub passes self test, the LEDs behave as described in the following

table. If the LEDs behave in a different way, the hub may failed self test.

See the LED operation table in chapter 2, “Troubleshooting” for a

complete description of the LED behavior.

Table 1-1. Self Test times for LEDs

LED HP J3300A/HP J3302A HP J3301A/HP J3303A

Port LEDs,

Fault,

5 seconds 10 seconds

Activity,

Collision

5 seconds 3 seconds

Xcvr Stays on if module installed.

Off if no module installed.

Stays on if module installed.

Off if no module installed.

Power Stays On Stays On

Fault LED

5 seconds

10 seconds

Collision LED

5 seconds

3 seconds

Power LED on

indefinitely

Activity LED

5 seconds

3 seconds

Port LEDs

5 seconds

10 seconds

Xcvr LED on

indefinitely.

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HP 10-Base-T Manual de Instalação Página 16