User manual
Connect Tech FreeForm/PCI-104 User Manual
Revision 0.07 13
Top View
RS-485 Headers (P5, P6)
Table 7: RS-485 Port 1 Pinout (P5)
Pin
Signal
Direction
1
P5
10
485 Port 0
Top View
1
RXD+1
Input
2
3
RXD-1
Input
4
5
TXD+1
Output
6
7
TXD-1
Output
8
9
GND
Power
10
Table 8: RS-485 Port 2 Pinout (P6)
Pin
Signal
Direction
10
P6
1
485 Port 1
Top View
1
RXD+2
Input
2
3
RXD-2
Input
4
5
TXD+2
Output
6
7
TXD-2
Output
8
9
GND
Power
10