Cisco 1538M Installation Manual - Page 3

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Front-Panel LEDs
This section describes the hub front-panel LEDs.
Figure 1-1
PWR
Solid green—Micro Hub has power.
Solid amber—POST in progress.
Off—Micro Hub does not have power.
Front-Panel LEDs
After power-on—POST nonfatal failure.
With blinking port LED—POST fatal failure.
1
PWR
5
2
3
4
6
7
8
Hub port status
Solid green—Good connection to network device (link).
Blinking green—Data is being sent or received through this port.
Blinking rate reflects the amount of data being received.
Solid amber—The hub has partitioned this port.
Off—No connection to network device (no link).
Front-Panel LEDs
COL
Blinking amber—Hub detects
collisions on the network. The LED
blinks faster as more collisions occur.
ACT
Blinking green—Traffic is present.
10 MBPS
COL/ACT
100 MBPS
COL/ACT
Overview 1-3