VIPER Technical Manual

Connectors, LEDs and jumpers

 

 

PL4 – COMS ports

Connector: Oupiin 3012-40GRB/SN, 40-way, 2.54mm (0.1”) x 2.54mm (0.1”) dual row IDC boxed header

Mating connector: FCI 71600-040LF

Pin

Signal name

Pin

Signal name

 

1

SCL (I2C)

2

SDA (I2C)

I2C

3

GND (I2C)

4

3.3V (I2C)

 

5

TX5+ (RS422)

6

TX5- (RS422)

 

VL

(TX5+/RX5+ RS485)

 

(TX5-/RX5- RS485)

COM5

 

 

 

7

RX5+ (RS422)

8

RX5- (RS422)

 

 

 

 

 

 

9

GND

10

GND

COM3

 

 

 

 

11

TX3

12

RX3

 

 

 

 

 

 

13

RX2

14

RTS2

COM2

15

TX2

16

CTS2

 

 

 

 

 

 

17

GND

18

GND

 

 

 

 

 

 

19

GND

20

NC

 

 

 

 

 

 

21

DCD4

22

DSR4

 

23

RX4

24

RTS4

COM4

VL 25

TX4

26

CTS4

 

27

DTR4

28

RI4

 

 

 

 

 

 

29

GND

30

NC

 

 

 

 

 

 

31

DCD1

32

DSR1

 

33

RX1

34

RTS1

COM1

35

TX1

36

CTS1

 

37

DTR1

38

RI1

 

 

 

 

 

 

39

GND

40

NC

 

 

 

 

 

 

As viewed from the connector pins

© 2007 Eurotech Ltd Issue E

89