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Pin Assignments
UPort DB9 Pin Assignments
The UPort 1110 and UPort 1130 use male DB9 connectors. Pin assignments are shown in the following diagram:
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| UPort 1110 | UPort 1130 | ||
DB9 (male) | Pin | |||||||||
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| 1 | DCD (in) | - | ||
1 |
| 5 | 2 | RxD (in) | TxD+(B) | - | ||||
| 3 | TxD (out) | RxD+(B) | Data+(B) | ||||||
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| 4 | DTR (out) | |||
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| 5 | GND | GND | GND | |
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| 6 | DSR (in) | - | - | |
6 | 9 |
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| 7 | RTS (out) | - | - | ||||||
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| 8 | CTS (in) | - | - | |
Terminal Block Pin Assignments
The UPort 1130 comes with a DB9 to terminal block converter, with pin assignments as shown below:
Terminal Block | Pin | |||
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| 1 | TxD+(B) | - | |
| 2 | - | ||
| 3 | RxD+(B) | Data+(B) | |
| 4 | |||
| 5 | GND | GND |
Note that the converter maps pin 1 on the DB9 connector to pin 2 on the terminal block, and pin 2 on the DB9 connector to pin 1 on the terminal block.