ADC Telecommunications Inc. F0694-011 Manuel D’Utilisation

9-6

CONFIDENTIAL

All of the Main Hub’s LEDs should be green during normal operation. If any LEDs 
are red, get status using AdminBrowser to determine the exact cause and recommen-
dations.

Expansion 
Hub Not 
Connected

Red

If the Expansion Hub was discon-
nected accidentally, re-connect the 
cables. The LEDs should change to 
Green/Red (then Green/Green, after 
20 seconds, if the Main Hub band 
has been programmed).

When the Expansion Hub is to be 
removed from service permanently, 
use AdminBrowser’s ‘Clear All Dis-
connect Status’ command to clear all 
disconnect states to no connect 
states. 

The Expansion Hub was previously 
connected, but it is not currently con-
nected; the Expansion Hub uplink 
cable disconnected.

AdminBrowser clears all disconnects 
caused by installation as part of the 
clean-up process. After installation, 
power cycle the Main Hub or use 
AdminBrowser’s “Clear All Discon-
nect Status” command.

Changes the Main Hub’s port LEDs to 
Off/Off.

Expansion 
Hub 
Connected

Flashing 
Red 
(60 ppm)

Use AdminBrowser to determine the 
exact cause of the Main Hub’s faults.

Lost communication with Expansion 
Hub; could be Expansion Hub problem 
or fiber cable problem.

The Expansion Hub communication 
problems delay MH responses to 
AdminBrowser commands, resulting in 
command time-outs. You can discon-
nect the offending Expansion Hub ini-
tially to obtain status from the rest of 
the system, then connect the Expansion 
Hub and resolve the communication 
problem.

Red

The Expansion Hub or connected 
RAU reports a fault condition; use 
AdminBrowser to determine the 
exact cause of the Expansion Hub 
and RAU’s faults.

Degraded performance or unit may be 
off-line.

Depends on fault condition.