HP ProCurve 10Base-T 12 Installation Manual page 16

Installing the Hub
Installing Your Hub
2.
Figure 1-1. Self Test times for LEDs.
Table 1-1.
1-4
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.
Power LED on
indefinitely
Fault LED Activity LED
5 seconds 5 seconds
10 seconds 3 seconds
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.
Self Test times for LEDs
LED HP J3300A/HP J3302A
Port LEDs, 5 seconds
Fault,
Activity, 5 seconds
Collision
Xcvr Stays on if module installed.
Off if no module installed.
Power Stays On
Port LEDs
Xcvr LED on
5 seconds
indefinitely.
10 seconds
Collision LED
5 seconds
3 seconds
HP J3301A/HP J3303A
10 seconds
3 seconds
Stays on if module installed.
Off if no module installed.
Stays On