Digital Input And Digital Output Connector - Lenovo ThinkEdge SE10 User Manual

Table 2. RS232 Pin definition mapping table (for serial connectors 3-4)
Pin number
2
3
5
7
8
Table 3. RS422 Pin definition mapping table
Pin number
1
2
3
4
5
Table 4. RS485 Pin definition mapping table
Pin number
1
2
5

Digital Input and Digital Output connector

Used to connect an external modem, a serial printer, or other devices that use a serial connector. To
customize this connector, see "Use the software development kit (SDK)" on page 17.
Notes:
• Use the 12-pin phoenix terminal provided by Lenovo in box.
• Connections made to this connector must use the cable (28 AWG-14 AWG / 105°C).
Pin definition
RXD
TXD
GND
RTS
CTS
Pin definition
TX-
TX+
RX+
RX-
GND
Pin definition
DATA-
DATA+
GND
.
Chapter 2 Customize your computer
13