User's Manual Part 2

Installing Fusion Wideband
Page 132 InterReach Fusion Wideband Installation, Operation, and Reference Manual
© 2013 TE Connectivity Ltd D-620616-0-20 Rev H • TECP-77-044 Issue 7 • May 2013
• AllExpansionHubPORTLEDswithRAUsconnectedshouldindicateGreen/Red.Thisindicates
thattheRAUispoweredonandcommunicationhasbeenestablished.
• TheExpansionHub
UL STATUSLEDshouldbeGreen.
 TroubleshootingExpansionHubLEDsDuringInstallation
Table88. TroubleshootingExpansionHubLEDsDuringInstallation
During
Installation
LED State Action Impact
1 Expansion Hub
power is On
and no RAUs
are connected
POWER Off Check AC power; make sure the
Expansion Hub power-on switch is
on; replace the Expansion Hub.
The Expansion Hub is not
powering on.
PORT LEDs are on but didn’t
blin
k through all
states.
Replace the Expansion Hub. The Microcontroller is not
resetting proper
ly; flash
memory corrupted.
PORT Flashing Red 
(6 PPM)
Port unusable; replace the
Exp
ansion Hub when possible.
Current sensor fault; do not
use the port.
UL STATUS Red, after power-up
blin
k
Replace the Expansion Hub. The Expansion Hub laser is not
operational; no uplink between
the Expansion Hub and Main
Hub.
UL STATUS Red Check the Main Hub LEDs—refer to
Step 2 in Table 87 on page 126.
Use AdminBrowser to determine the
problem.
No communication with Main
Hub.
DL STATUS Red Check the downlink fiber for optical
power; verify that the cables are
connected to correct ports (that is,
uplink/downlink)
Check the Main Hub LEDs—refer to
Step 2 in
Table 87 on page 126.
No downlink between the
Expansion
Hub and Main Hub.
2 Expansion Hub
power is On
and RAUs are
connected
PORT Off Check the CATV cable. Power is not getting to the
RAU.
PORT Flashing Red 
(60 PPM)
Test the CATV cable. If the cable
te
sts OK, try another port. If the
second port’s LEDs are Red/Off,
replace the RAU. If the second RAU
doesn’t work; replace the Expansion
Hub.
Power levels to RAU are not
correct; communications are
not established.
If the second port works, flag
the first port as unusable;
replace EH when possible.
PORT Red Use AdminBrowser to determine the
problem.
RAU is off-line.