Eurotech Appliances zeus pxa270 Manuel D’Utilisation
ZEUS Technical Manual
Connectors, LEDs and jumpers
© 2007 Eurotech Ltd Issue D
88
J19 – Serial ports – COM3/4
Connector:
Oupiin 3012-20GRB W/ROHS, 20-way, 2.54mm (0.1") dual row IDC boxed
header
Mating connector:
Mating connector:
FCC 71600-020LF
Pin Signal name
Pin Signal name
1 I2C_SCL
2 I2C_SDA
3
GND (I²C )
4
3.3V (I²C )
5 TX4+
(RS422)
(TX4+/RX4+ RS485)
6 TX4-
(RS422)
(TX4-/RX4- RS485)
7
RX4+ (RS422)
8
RX4- (RS422)
9 GND
10 GND
11 DCD3
12 DSR3
13 RX3
14 RTS3
15 TX3
16 CTS3
17 DTR3
18 RI3
19 GND
20 NC
As viewed from the connector pins
1
2
19
20