Controls, LEDs, and Connectors
MITX-430/MITX-440-DVI-2E Installation and Use Guide (6806800K37B)
52
3.2.12 Power COM (P8, P26)
2 RS422TX_P
3 RS422RX_485DAT_P
4 RS422RX_485DAT_N
5GND

Table 3-12 RS-232/422/485 Jumper Selection (P28)

PIN PIN Name
1-2 short RS-232
2-3 short RS422/RS-485

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

PIN PIN Name

Table 3-13 COM4, COM5 Header Pin Definition

PIN PIN Name PIN PIN Name
1DCD2 RXD
3TXD 4 DTR
5GND6 DSR
7RTS 8 CTS
9 Pin9 Select 10 KEY

Table 3-14 COM4, COM5 Pin9 Selection

PIN PIN Name
P19 1-2 short COM4 Pin9 is Ring
P19 2-3 short
P20 1-2 short
COM4 Pin9 is 5V