User's Manual

Table Of Contents
PN 9000-10 Help Hot Line (U.S. only): 1-800-530-9960 8-11
620021-0 Rev. A
8.3.2.1 Troubleshooting Accel Hub LEDs During Normal Operation
All of the Accel Hub’s LINK and RAU LEDs that have RAUs connected should be
Green/Green, indicating that the RAU is powered on, communication is estab-
lished, and operation is normal.
•The
POWER and STATUS LEDs should all be Green.
Table 8-7 Troubleshooting Accel Hub Port LEDs During Normal Operation
During
Normal
Operation
Accel Hub
Port LEDs State Action Impact
RAU is not
connected
LINK
Red If the RAU was disconnected acci-
dentally, re-connect the Cat-5/6
cable. The Hub’s port LEDs should
change to Green/Red (then
Green/Green, after 20 seconds, if the
Hub is connected and has band pro-
grammed).
Use AdminManager to calibrate sys-
tem when possible to achieve the
best performance.
Use AdminManagers “Clear All
Disconnect Status” command if you
are permanently removing the RAU
from service. The Hub’s port LEDs
should change to Off/Off.
RAU was previously connected, but it
is not currently connected; RAU cable
is disconnected.
RAU
Off
RAU is
connected
LINK
Red Disconnect/reconnect the Cat-5/6
cable to force power-on reset to the
RAU. If the port LEDs remain
Red/Off, check for the exact cause of
Hub faults using AdminManager.
Lost communications with the RAU.
The RAU could have powered down
due to over current; cable could have
been damaged.
RAU
Off
LINK
Green RAU reports a fault condition; check
for the exact cause of Hub and RAU
faults using AdminManager.
Depends on the fault condition.
RAU
Red