
| ATM/POS bridge Installation Manual | EN 11 | 
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3.Connectors
The four COM connectors are all 
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The following table lists the signals and pin numbers for the four ports.
| 
 | COM 1 | COM 2 | COM 3 | COM 4 | |
| Pin | (console) | ||||
| RS 232 | RS 232 | RS 485 | |||
| 
 | RS 232 | ||||
| 
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| 
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| 1 | 
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| 
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| 2 | Rx | Rx | Rx | D2+ | |
| 
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| 3 | Tx | Tx | Tx | D2- | |
| 
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| 4 | 
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| 5 | GND | GND | GND | GND | |
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| 6 | 
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| 7 | RxC | RxC | 
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| 8 | TxC | TxC | 
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| 9 | 
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 | INIT | 
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English
Bosch Security Systems