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Troubleshooting • LED/Error Indications
APEX1000 All-Purpose Edge QAM Software Version 2.4.x • Installation and Operation Manual
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573408-001-a
LED/Error Condition Possible Cause or Indication
Corrective Action
Loss of Input
– loss of the SPTS or
MPTS that are configured for the current
window of time.
Inspect and secure the connectors to
the input ports.
Hardware Failure
– the host processor
detected a problem with the ACP
module, QAM module, or GigE
processor.
Replace the APEX1000.
Output Buffer Overflow
– the
aggregate information rate of the input
services/PID streams being routed to the
output transport stream exceeds the
configured output information rate.
Reduce the input rate of the APEX1000
by removing one or more programs or
increase the alarm threshold.
GigE1 - 4 LEDs solid
red
Faulty or failed optical interface.
Replace optical interface module.
ENET1 - 2 LEDS
alternating
green-yellow
Collision detected (if in half-duplex mode,
10/100Base-T only). LED activates for
100 msec after detection of collision.
During high collisions, LED alternates
green-yellow.
Duplicate IP addresses may be on
network.
BOOTP/TFTP configuration.
Check the BOOTP configuration and all
file paths and names on the server.
APEX1000 powers
up but fails to
initialize
Flash memory corrupted.
Reload memory from the BOOTP
server.
BOOTP
unsuccessful
BOOTP reply not received.
•
Verify that the MAC address is
correct.
•
Verify Ethernet connectivity.