RoadRunner
U S E R S G U I D E
73
Appendix A — DIF Pin Out
DIF 101—X.21 / RS449
DB15F connector, both connectors on card wired as follows:
Pin
Function
Pin Function
1
Frame Ground
8
GND
2
TD A
9
TD B
3
CON A
10
CON B
4
RD A
11
RD B
5
IND A
12
IND B
6
RET A
13
RET B
7
BYT A
14
BYT B
15
not connected
DIF 102—V.35
DB15F connector, both connectors on card wired as follows:
Pin
Function
Pin Function
1
Frame Ground
8
GND
2
TD A
9
TD B
3
RTS
10
DTR
4
RD A
11
RD B
5
not connected
12
RLSD
6
RET A
13
RET B
7
TET A
14
TET B
15
CTS
Appendices
a
