Wiring to the TRC-8546
- Updated2023-08-07
- 2 minute(s) read
Wiring to the TRC-8546
The TRC-8546 is used with an NI-XNET interface host port.
The TRC-8546 has one 9-pin male D-Sub connector that provides connections to a LIN bus.
The port has two common pins (COM) that are internally connected to the transceiver cable’s isolated reference and serve as the reference ground for the LIN signal. You can connect the LIN bus reference ground to one or both COM pins.
The D-Sub connector shell connects through the TRC-8546 shielding to the connector on the host port end. The shielding does not electrically connect to the COM signals.
The TRC-8546 receives power from the NI-XNET host port but also requires an external power supply of +8 V to +18 V to operate. Supply power to the TRC-8546 VSUP pin from the LIN bus.
The TRC-8546 pinout is listed in the following table.
| Connector | Pin | Signal Name |
|---|---|---|
 |
1 | No Connection (NC) |
| 2 | NC | |
| 3 | COM | |
| 4 | NC | |
| 5 | NC | |
| 6 | COM | |
| 7 | LIN | |
| 8 | NC | |
| 9 | VSUP |