Monitoring Module Status
You can monitor the module status using the yellow, green and orange LED status indicators on the Evaluation Daughtercard. Table 2 defines the default functions of the LED status indicators.
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| Table 2 Status Monitors | |
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Function | State |
| Status |
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| On |
| The module is receiving power |
Power |
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Off |
| The module is not receiving power | |
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Orange (D8) |
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Blinking |
| Firmware update is in progress (Important: Do not | |
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| power off the module during the update process) | |
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Network Status | Yellow On |
| Wireless connection established |
Yellow (D9) |
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OEM Interface
The OEM interface is a
Table 3 shows the OEM interface pinout for the Evaluation Daughtercard. Table 4 shows the OEM interface signal descriptions. Please note that the OEM interface signals are not directly accessible from the OEM header when the Evaluation Daughtercard is used. Rather, these signals are available through convenient connectors on the Evaluation Daughtercard, such as the
All input and output signals, except the differential signals, are 0 to 3.3 V logic signals.
Table 3 OEM Interface Pinout
| PIN | SIGNAL | PIN | SIGNAL |
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| 1 | RESETI- | 2 | GPIO_0 |
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| 3 | GPIO_1 | 4 | GPIO_2 |
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| 5 | GROUND | 6 | +3.3VDC |
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| 7 | GPIO_3 | 8 | GPIO_4 |
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| 9 | GPIO_5 | 10 | GPIO_6 |
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| 11 | GPIO_7 | 12 | GPIO_8 |
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| 13 | GPIO_9 | 14 | TXD0 |
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| 15 | GPIO_10 | 16 | CTS0- |
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| 17 | GROUND | 18 | +3.3VDC |
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| 19 | USB+ | 20 | RTS0- |
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| 21 | USB- | 22 | RXD0 |
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| 23 | +3.3VDC | 24 | GROUND |
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| 25 | SPI_CS- | 26 | TXD1 |
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| 27 | SPI_CLK | 28 | CTS1- |
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| 29 | GROUND | 30 | +3.3VDC |
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| 31 | SPI_MOSI | 32 | RTS1- |
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| 33 | SPI_MISO | 34 | RXD1 |
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| 35 | +3.3VDC | 36 | GROUND |
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| 37 | IIC_SDC | 38 | TXD2 |
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| 39 | IIC_SDA | 40 | RXD2 |
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Installing the Evaluation Daughtercard
Silex
Part Number
Page 9