Connectors and Headers
IB1000/2/3 boards carry two DB9M connectors onboard. Two additional connectors attach (via cables) to two 2x5 pin headers located on the boards.
DB9M Connectors
|
Pin # |
RS232 mode |
RS422 mode (IB1002/3 only) |
RS485 mode (IB1002/3 only) |
|
1 |
--- |
RTS– (output) |
--- |
|
2 |
RX (input) |
RX– (input) |
RX– (input) |
|
3 |
TX (output) |
TX+ (output) |
TX+ (output) |
|
4 |
DTR (output) |
TX– (output) |
TX– (output) |
|
5 |
System ground |
System ground |
System ground |
|
6 |
DSR (input) |
RX+ (input) |
RX+ (input) |
|
7 |
RTS (output) |
RTS+ (output) |
--- |
|
8 |
CTS (input) |
CTS+ (input) |
--- |
|
9 |
--- |
CTS– (input) |
--- |
Pin Headers
|
Pin # |
RS232 mode |
RS422 mode (IB1002/3 only) |
RS485 mode (IB1002/3 only) |
|
1 |
--- |
RTS– (output) |
--- |
|
2 |
RX (input) |
RX– (input) |
RX– (input) |
|
3 |
TX (output) |
TX+ (output) |
TX+ (output) |
|
4 |
DTR (output) |
TX– (output) |
TX– (output) |
|
5 |
System ground |
System ground |
System ground |
|
6 |
DSR (input) |
RX+ (input) |
RX+ (input) |
|
7 |
RTS (output) |
RTS+ (output) |
--- |
|
8 |
CTS (input) |
CTS+ (input) |
--- |
|
9 |
--- |
CTS– (input) |
--- |
|
10 |
--- |
--- |
--- |