Pin assignment
|
Pin |
Signal |
Interface |
Description |
|
|---|---|---|---|---|
 |
1 |
Term. P |
RS-485 |
Terminator P |
|
2 |
RxD/TxD-P |
RS-485 |
Receive/Transmit, positive |
|
|
3 |
RxD/TxD-N |
RS-485 |
Receive/Transmit, negative |
|
|
4 |
Term. N |
RS-485 |
Terminator N |
|
|
5 |
RTS |
RS-232 |
Request to send (output) |
|
|
6 |
TxD |
RS-232 |
Transmit data (output) |
|
|
7 |
SGND |
Signal Ground |
Signal Ground |
|
|
8 |
RxD |
RS-232 |
Receive data (input) |
|
|
9 |
CTS |
RS-232 |
Clear to send (input) |
|
-
Bus cable for RS-485
-
Cable lengths
-
Bus termination (RS-485 only)