ZEUS Technical Manual | Connectors, LEDs and jumpers |
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J19 – Serial ports – COM3/4
Connector: Oupiin
Mating connector: FCC
Pin | Signal name | Pin | Signal name |
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1 | I2C_SCL | 2 | I2C_SDA |
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3 | GND (I²C ) | 4 | 3.3V (I²C ) |
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5 | TX4+ (RS422) | 6 | TX4- (RS422) |
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| 19 | 1 |
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7 | RX4+ (RS422) | 8 | RX4- (RS422) |
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9 | GND | 10 | GND |
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20 | 2 |
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11 | DCD3 | 12 | DSR3 |
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13 | RX3 | 14 | RTS3 |
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15 | TX3 | 16 | CTS3 |
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17 | DTR3 | 18 | RI3 |
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19 | GND | 20 | NC |
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© 2007 Eurotech Ltd Issue D | 88 |