The front connectors on the niu is like this
A B C
1 1 1
2 2 2
3 3 3
4 4 4
5 5 5
6 6 6
7 7 7
8 8 8
A,B and C is the column seen from the front of the card.
1,2,3,4,5,6,7,8 are the pins on the front.
Here it comes:
The top position on the board (TTY1)
RxD=A2
GND=A4
TCLK=A6
DCD=A8
TxD=B2
GND=B4
DTR=B6
RTS=B8
RCLK=C2
DSR=C6
CTC=C8
Good luck.
Regards NANSI