Chapter 1- Hardware Description
Table
Component | LED ID | LED Color | Description |
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CNTL 4000 Unit | ERR | Red | ON - Major system error. In case of |
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| an active alarm this light is ON, and |
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| the RDY green is OFF. |
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| OFF - Normal. |
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| Flashes - During system startup. |
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| RDY | Green | ON - CPU card has successfully |
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| completed startup. This light turns |
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| green after completing the entire |
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| system configuration. |
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| OFF - Turns OFF when the ERR |
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| red LED is activated. |
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| Flashes - During system startup. |
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| ACT | Amber | ON - At least one endpoint is |
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| connected to the system. |
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| Flashes - During system startup. |
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| HD | Red | OFF - Normal. |
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| Flashes - Hard disk is active. |
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| HS | Blue | Flashes - Indicates when the |
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| power down process is initiated on |
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| an MPM+/MPMx card. This LED |
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| flashes in synchronization with the |
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| MPM+/MPMx’s cards HS LED. |
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| OFF - Normal |
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| ON - CPU may be removed. |
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