Black Box Async 232 422/530 Manual page 15

ASYNC 232↔422/530 CARD
Figure 3-5. RJ-45/RJ-45 jumper locations.
Refer to Table 3-1 for a summary of the jumper functions.
17
1
2
3
JB2
JB4
1
2
3
JB6
1
2
3
JB7
JB5
1
1 2 3
2
3
RJ-45 (Unit A)
RJ-45 (Unit B)
RJ-45 (Unit A)
RJ-45 (Unit B)
Converter
twisted pair
Terminal