![](/images/new-backgrounds/1192833/192833147x1.webp)
6.SERIAL INTERFACE
6.1Specifications
(1) Data transfer system | Asynchronous, half duplex |
(2)Baud rates
1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps (Selectable by command)
(3)Serial data configuration Start bit: 1 bit
Data bit: 8 bits Fixed
Parity bit: No parity
Stop bit: 1 bit
(4)Signal polarity
¥Mark = logic Ò1Ó (Ð3V ~ Ð12V)
¥Space = logic Ò0Ó (+3V ~ +12V)
(5)Receiving data (RD signal)
¥Mark = logic Ò1Ó (Ð3V ~ Ð12V)
¥Space = logic Ò0Ó (+3V ~ +12V)
(6)Transmission control (TD signal)
DC1 code (11H)
DC3 code (13H)
6.2. Connector Pin Configuration
Pin No. |
| Signal | Direction |
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| Pin No. of Cable | |||||||||||
3 |
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| TXD | Output | Transferred data | No. 2 pin of | ||||||||||||
6 |
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| +5V | Ñ |
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| No connection | |||||
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7 |
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| RXD | Input | Received data | No. 3 pin of | ||||||||||||
11 |
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| RTS | Input | Auto Turn On | No. 7 pin of | ||||||||||||
14 |
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| Ñ | Ñ |
| Communication mode setting | No. 5 pin of | |||||||||||
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| (InfraRed or Serial) |
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15 |
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| GND | Ñ |
| No. 5 pin of | ||||||||||||
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Connector |
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Printer side: |
| Connector used on StarTac (Motorola) |
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PC side |
| 9 pin |
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Cable |
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Ñ 72 Ñ