Barco MD-4221 - Manual (Page 38)

38
RS232C (D-Sub 9-pin)
Pin No. Assignment
1 No Connection
2 TXD
3 RXD
4 No Connection
5 Ground
6 No Connection
7 No Connection
8 No Connection
9 No Connection
SDI (BNC)
Pin No. Assignment
1 SDI IN
2 SDI OUT
3 Ground