Enfora MT2500: Difference between revisions
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!Pin |
!Pin |
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!Signal |
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!Name |
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!Description |
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!- |
!- |
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|1 |
|1 |
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|Mic + (Differential Audio Input) |
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| Ear (-) |
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|- |
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| Ear Phone - Note: This is an output only that is connected directly to the modem. Input voltages should not be applied. |
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|2 |
|2 |
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|Mic - (Differential Audio Input) |
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|Ear(+) |
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|- |
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| Ear Phone + Note: This is an output only that is connected directly to the modem. Input voltages should not be applied. |
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|3 |
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| 3 1-Wire 1-Wire® Interface |
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⚫ | |||
Note: Maximum voltage on this pin is 3.3 VDC |
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|- |
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4 ADC In #2 Analog-to-Digital Input, 0 – 32 VDC |
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|4 |
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5 ADC In #1 Analog-to-Digital Input, 0 – 16 VDC |
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|USB D+ |
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6 Ground System Ground |
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|- |
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7 Ground System Ground; Connector has longer pin for MFBL. |
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|5 |
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8 Digital Digital Input #2 (GPI9) |
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|USB D- |
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Input #2 |
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|- |
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9 Digital Digital Input #1 (GPI1) |
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|6 |
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Input #1 |
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|Ground |
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10 RS-232 CTS RS-232 CTS Out |
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|- |
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Note: This is an output only. Input voltages should not be applied. |
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|7 |
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⚫ | |||
|GPO5 (General Purpose Output) |
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Sense |
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|- |
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12 MIC (-) Microphone - |
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|8 |
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Note: Although this signal is AC (capacitively) coupled to the modem, there is |
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|GPO2 (General Purpose Output) |
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a 1K Ohm resistor to ground with a power rating of 0.0625 W. This limits max- |
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|- |
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imum input voltage to <7.9VDC. Designed for audio only, any other signals or |
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|9 |
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voltages may damage the device. |
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|EARP (Differential Audio Output) |
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13 MIC (+) Microphone + |
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|- |
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Note: Although this signal is AC (capacitively) coupled to the modem, the MIC- |
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|10 |
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BIAS output from the modem has a 330 Ohm to 1K Ohm voltage divider with |
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|EARN (Differential Audio Output) |
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a 10 uF, 6.3 V capacitor connected between the two resistors and to ground. |
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|- |
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Assuming a 2.6 V MICBIAS output, this limits the maximum voltage that may |
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|11 |
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be applied to the MIC+ input to approximately <15 VDC so that the voltage rat- |
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|Power Input (9-16 VDC) |
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ing of the capacitor is not exceeded. |
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|- |
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14 Digital Output, High-Current Sink, Low-Current Source, Latched (GPO2) |
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|12 |
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|USB Vbus |
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Output 1 |
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|- |
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15 Digital Output, High-Current Sink, Low-Current Source, Latched (GPO5) |
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|13 |
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Output 2 |
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|GPI1 (General Purpose Digital Input) |
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16 Digital Output, High-Current Sink, Latched (GPO3) |
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|- |
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Output 3 |
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|14 |
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17 Power In Vehicle Power from 12 or 24 V Vehicles; |
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|GPO3 (Latched General Purpose Output) |
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18 Power In Vehicle Power from 12 or 24 V Vehicles; |
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|- |
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19 Digital Digital Input #3 (GPI10) |
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|15 |
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Input #3 |
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|A/D IN 2 (Dual Function Input) (Operation as Analog or Digital Input is Configured via AT Command) |
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20 RS-232 RTS RS-232 RTS In |
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|- |
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Note: -25 VDC to 25 VDC |
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|16 |
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21 RS-232 TX RS-232 TX In |
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|A/D IN 1 (Analog Input) |
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Note: -25 VDC to 25 VDC |
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|- |
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22 RS-232 RX RS-232 RX Out |
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|} |
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Note: This is an output only. Input voltages should not be applied. |
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== Anleitungen == |
== Anleitungen == |
Revision as of 18:16, 3 July 2014
Anschlüsse
Der Stecker ist Molex Bestellnummer 43025-1600 und die korrekten Kontakte dazu sind Molex Bestellnummer 43030-0008.
Pin | Signal | - | 1 | Mic + (Differential Audio Input) |
---|---|---|---|---|
2 | Mic - (Differential Audio Input) | |||
3 | Ignition Sense | |||
4 | USB D+ | |||
5 | USB D- | |||
6 | Ground | |||
7 | GPO5 (General Purpose Output) | |||
8 | GPO2 (General Purpose Output) | |||
9 | EARP (Differential Audio Output) | |||
10 | EARN (Differential Audio Output) | |||
11 | Power Input (9-16 VDC) | |||
12 | USB Vbus | |||
13 | GPI1 (General Purpose Digital Input) | |||
14 | GPO3 (Latched General Purpose Output) | |||
15 | A/D IN 2 (Dual Function Input) (Operation as Analog or Digital Input is Configured via AT Command) | |||
16 | A/D IN 1 (Analog Input) |