Introduction
1.2Indicators
The front of the OpenComms EM has indicators that show input power to the unit and the status of various connections, as shown in Figure 3 and described in Table 2.
Figure 3 Indicators on front of unit
EM CONTROLLER
Power Link Activity Sensor | Sensor |
1 | 2 |
EM PDU CONTROLLER
Power Link Serial | Serial Modem Sensor Sensor | ||
1 | 2 | 1 | 2 |
Table 2 | Indicators summary |
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Indicator | Indicator Label on Model: |
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Type | EM | EM PDU |
| Color | Description | |
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Power | Power | Power |
| On | Red | Power is connected and powering the OpenComms EM. |
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Ethernet | Link | Link |
| Cx/Tx | Yellow | The OpenComms EM is connected to an active network. |
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| Sensor 1 | Sensor 1 |
| Sensor 1 | Green | A sensor is connected to the Sensor 1 port. |
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Sensor | Sensor 2 | Sensor 2 |
| Sensor 2 | Green | A sensor is connected to the Sensor 2 port. |
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port | — | — |
| Sensor 3** | Green | A sensor is connected to the Sensor 3 port. |
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| — | — |
| Sensor 4** | Green | A sensor is connected to the Sensor 4 port. |
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Serial | — | Serial 1 |
| Serial 1 | Green | A device is connected to the Serial 1 port. |
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port* | — | Serial 2 |
| Serial 2 | Green | A device is connected to the Serial 2 port. |
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Modem | Activity | Modem |
| Mdm | Green | A modem is connected. |
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*EM PDU and
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