Chapter 4. Using the Front Panel
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For these LEDs... | This color light... | Indicates that... |
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System | Green (solid) | No diagnosed system faults were found. |
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| Green (fast blink) | Flash download is in progress. |
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| Yellow (solid) | A fault was diagnosed, but the condition no longer |
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| exists. The condition will be recorded in the system |
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| log. |
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| Red (solid) | An error condition with either the power supply or the |
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| temperature is present. |
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| Red (fast blink) | A fatal error occurred during flash download. |
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| Off | Power is not currently supplied to the system. |
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Controller Status | OK (green) | Both network interfaces are operating normally with |
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| alarms, the OK LED remains off. |
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| Test (yellow) | One of the interfaces is operating in a test mode. This |
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| includes a |
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| When illuminated, this LED also indicates that normal |
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| data flow is not occurring in at least one of the module |
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| ports. |
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| Error (flashing red) | Indicates an error such as BPV (bipolar violation), |
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| OOF (out of frame), or CRC (cyclic redundancy |
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| check). |
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| Alarm (red) | An alarm condition has been detected. When the |
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| alarm condition is no longer valid, the OK LED |
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| illuminates. To view an alarm condition, select the |
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| active alarm menu item or select Alarm by pressing |
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| Shift + 8. If the alarm conditions have been corrected, |
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| you can view the alarm which caused the activation of |
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| the Alarm LED under the View History menu. |
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Module Status | Green (solid) | The module is OK. |
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| Green (blinking) | The module has been disabled by the user. |
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| Red (solid) | At least one port on the module has an alarm. |
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| Red (blinking) | The module is enabled, but is not responding to the |
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| system controller. |
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| Off | No module occupies the slot. |
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Module Online | Green (solid) | The module is available for use or is currently in use. If |
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| the module is manually taken offline, this LED is |
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| turned off. |
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Module Test | Yellow (solid) | One or more ports in a module are in test. |
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ATLAS 810PLUS User Manual |
