6 troubleshooting – Crown Audio DBC Network Bridge User Manual

Page 71

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DBC Network Bridge

Operation Manual

page 71

CONDITION: Computer does not communicate with
the network devices.

POSSIBLE REASON:

• Incorrect wiring. See Section 1.1.1 on wiring.
• IP Addressing is not done correctly. See Section 1.2 on addressing
rules.

CONDITION: LINK/ACTIVITY LED does not light,
even though the network cable is plugged in.

POSSIBLE REASON:

• Ethernet link is broken.
• Network connection is 10 Megabits instead of 100 Megabits.

CONDITION: Both LEDs flashing.

POSSIBLE REASON:

Fatal error.

6 Troubleshooting

CONDITION: IN USE/CONDUCTOR LED does not
light, even though the network cable is plugged in.

POSSIBLE REASON:

• Ethernet link is broken.
• Network connection is 10 Megabits instead of 100 Megabits.

IN USE/
COND

LINK/
ACT

IN USE/
COND

LINK/
ACT

IN USE/
COND

LINK/
ACT

On the connector are two LEDs. The left LED (IN USE/CONDUCTOR) lights yellow when the port is in use and will
blink if the device is also the conductor (the CobraNet timing-master device). The right LED (LINK/ACTIVITY) lights
green when link is established and blinks when network activity is detected. Both LEDs flash yellow in unison to
report a fatal error.

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