EAX-Q77
User’s Manual
EAX-Q77
User’s Manual
27
RS422/485 Pin Mapping
PIN
RS-232
RS-482
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)