Chapter 5 Input/Output Interfaces
5.4SERIAL INTERFACE
All models include at least one
The UART supports the standard baud rates up through 115200, and also special high speed rates of 239400 and 460800 baud. The baud rate of the UART is typically set to match the capability of the connected device. While most baud rates may be set at runtime, baud rates 230400 and 460800 must be set during the configuration phase.
5.4.1 SERIAL CONNECTOR
The serial interface uses a
Figure 5-3. Serial Interface Connector (Male DB-9 as viewed from rear of chassis)
Table 5–7. DB-9 Serial Connector Pinout
Table
DB-9 Serial Connector Pinout
Pin | Signal | Description | Pin | Signal | Description |
1 | CD | Carrier Detect | 6 | DSR | Data Set Ready |
2 | RX Data | Receive Data | 7 | RTS | Request To Send |
3 | TX Data | Transmit Data | 8 | CTS | Clear To Send |
4 | DTR | Data Terminal Ready | 9 | RI | Ring Indicator |
5 | GND | Ground |
The standard
Second Edition – April 2003