AUX connector
Use for programming and firmware updates.
Connector: LEMO 0K 4-Pin CLL.0K.304.CLLP
| Pin | Purpose | 
|---|---|
| 1 | RS-232 RXD | 
| 2 | RS-232 TXD | 
| 3 | +9 to 36 V DC | 
| 4 | Return | 
| 5 | Shield | 
Use for programming and firmware updates.
Connector: LEMO 0K 4-Pin CLL.0K.304.CLLP
| Pin | Purpose | 
|---|---|
| 1 | RS-232 RXD | 
| 2 | RS-232 TXD | 
| 3 | +9 to 36 V DC | 
| 4 | Return | 
| 5 | Shield |