Controls, LEDs, and Connectors
MITX-430/MITX-440-DVI-2E Installation and Use Guide (6806800K37B) 51
3.2.9 GPIO Header (P4)3.2.10 COM Header (P9, P27)3.2.11 RS-232/422/485 (P18)

Table 3-9 GPIO Header Pin Definition

PIN PIN Name PIN PIN Name
1GPO02 GPI0
3GPO14 GPI1
5GPO26 GPI2
7GPO38 GPI3
9 VCC5DUAL 10 GND

Table 3-10 COM3, COM6 Header Pin Definition

PIN PIN Name PIN PIN Name
1DCD2RXD
3TXD4DTR
5GND6DSR
7 RTS 8 C TS
9RING10KEY

Table 3-11 RS-232/422/485 Header Pin Definition

PIN PIN Name
1 RS422TX_N