Troubleshooting Expansion Hub Leds During Installation - ADC InterReach Fusion Installation, Operation And Reference Manual

During
Installation LED
Expansion POWER
1.
Hub power
is On and no
RAUs are
PORT
connected
PORT
UL STATUS
UL STATUS
DL STATUS
Expansion PORT
2.
Hub power
is On and
PORT
RAUs are
connected
PORT
D-620610-0-20 Rev D

Troubleshooting Expansion Hub LEDs During Installation

• All Expansion Hub
PORT
This indicates that the RAU is powered on and communication has been estab-
lished.
• The Expansion Hub
UL STATUS
Troubleshooting Expansion Hub LEDs During Installation
Table 7-6
State Action
Off Check AC power; make sure the
Expansion Hub power-on switch
is on; replace the Expansion Hub.
LEDs are on but Replace the Expansion Hub.
didn't blink through
all states.
Flashing Red Port unusable; replace the Expan-
(6 PPM) sion Hub when possible.
Red, after power-up Replace the Expansion Hub.
blink
Red Check the Main Hub LEDs
Refer to page 7-24, item 2 in
Table 7-5.
Use AdminBrowser to determine
the problem.
Red Check the downlink fiber for opti-
cal power; verify that the cables
are connected to correct ports
(that is, uplink/downlink)
Check the Main Hub LEDs. Refer
to page 7-24, item 2 in Table 7-5.
Off Check the CATV cable.
Flashing Red Test the CATV cable. If the cable
(60 PPM) tests 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.
Red Use AdminBrowser to determine
the problem.
Help Hot Line (U.S. only): 1-800-530-9960
LEDs with RAUs connected should indicate Green/Red.
LED should be Green.
Fusion Installation Procedures
Impact
The Expansion Hub is not
powering on.
The Microcontroller is not
resetting properly; flash
memory corrupted.
Current sensor fault; do not
use the port.
The Expansion Hub laser is
not operational; no uplink
between the Expansion Hub
and Main Hub.
No communication with
Main Hub.
No downlink between the
Expansion Hub and Main
Hub.
Power is not getting to the
RAU.
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.
RAU is off-line.
CONFIDENTIAL
7-31