Smart SAM3T User Guide V1.52
12
Ver1.52
6.7
6.6 Data Cable
The data cable is 2m long. It consists of an RJ45 plug, a DB9-female connector and a 2-wire input power.
5 4 3 2 1
9 8 7 6
DB9
Signals
RJ45
Description
1
DCD
2
Data Carrier Detect
2
RXD
5
Serial Data out of the Smart SAM3T
3
TXD
6
Serial Data into the Smart SAM3T
4
DTR
3
Not used
5
GND
4
Common Ground
6
DSR
7
RTS
8
Ready to Send
8
CTS
7
Clear to Send
9
RI
Not used
1
RED wire : Input voltage from 5Vdc to 32Vdc
4
BLACK wire : Power Ground
