Avalue EAX-Q77 - Manual (Page 26)

EAX-Q77 User’s Manual
26 EAX-Q77 User’s Manual
RS422/485 Pin Mapping
PIN RS-232 RS-485 RS-422
1 DCD TXD- TXD-
2 RXD TXD+ TXD+
3 TXD RXD+
4 DTR RXD-
5 GND GND GND
6 DSR
7 RTS
8 CTS
9 RI
2.6.4 Power Mode Select Jumper (AT_CN)
PIN Signal
1 AT_PWR_F_BTN#
2 -PWRBT_F
3 NC
AT ATX
(Default)