User manual

198 Publication ENET-UM001I-EN-P - January 2010
Appendix A Status Indicators
If the POINTBus status indicator is red, take the following actions.
1. Make sure an I/O module is not using a MAC ID = 0.
2. Make sure all backplane modules are communicating at the proper baud
rate
.
3. Cycle power to the device.
4. If the condition persists, replace the adapter.
If t
he System Power status indicator is off,
take the following actions.
1. Verify power is on.
2. Apply power, if necessary.
3. Verify backplane power is not excee
ded and correct, if necessary.
4. Replace the device.
System Power Status Indicator
Indicator Status Description
System
Power
Off Adapter power is off or DC-DC converter problem is present. Follow the
correctiv
e action below.
Green System power is on; DC-DC converter output is active (5V). No action is
required.
Adapter Power Status Indicator
Indicator Status Description
Adapter
Power
Off Adapter is not active because power is off. Apply adapter power.
Green 24V DC input power is present. No action is required.