HP 24S Guide de l'utilisateur télécharger pdf (Page 13)

Back of the Hub

Status LEDs

Power (green) is ON if the hub is receiving power.

(This is the same as ~Line On on the front.)

Activity (green) is ON when data is being

transmitted. The frequency shows the amount

of traffic. In heavy traffic, it may appear on all

the time. (This LED is repeated on the front.)

Fault (yellow) is ON if the hub is faulty and needs to be replaced, FLASHING if a port

has been auto-segmented. (This LED is repeated on the front.)

Collision (yellow) is ON when collisions (two or more nodes trying to transmit on the

network at the same time) are detected on any of the attached cable segments. If

collisions are infrequent (which is normal), the light may be imperceptible. If it appears

on continuously, see chapter 4, “Troubleshooting”.

Station Address

and

Serial Number

Group A

Group B

Group C

Group selector

button and LEDs

Status LEDs

Console port

ThinLAN port

AUI port

Twisted-pair ports

Group D

Dashed lines show top half of the Hub Plus/48

with additional twisted-pair port groups.

Introducing the HP EtherTwist Hub/12, Hub Plus, and Hub Plus/48 1-5

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HP 24S Guide de l'utilisateur Page 13