
Chapter 2. Hardware Description
3.Rear Port Specification and Connection Examples
The
Connection Type: 9 pole
Maximum Input Voltage: +/- 25V
Pin 1
Pin 9
Figure 9 DE-9M Serial Port
[Please refer to the Figure 1 (4ch Model), Figure 2 (9ch Model), Figure 3 (16ch Model) item marked “⑩” Serial Connection].
Signal Type | Pin Number | Description |
DCD In | 1 | Carrier Detection Signal (not used) |
Rx | 2 | RS232 Receive |
Tx | 3 | RS232 Transmit |
N/C | 4 | No Connection |
GND | 5 | System Ground |
N/C | 6 | No Connection |
RTS | 7 | RS232 Request To Send Signal |
CTS | 8 | RS232 Clear To Send Signal |
N/C | 9 | No Connection |
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| Table 10. |
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