
19
PIN # Signal
2 *RS485_L or RS232_RX
3 *RS485_H or RS232_TX
5GND
*On jumpers J10, J11, and J12:
• if all 1 & 2 pins are covered, then RS-485 is active
• if all 2 & 3 pins are covered, then RS-232 is active.
Pinout positions on the RVON-8 backcard DB9 (J2)
Connector.
FIGURE 3. RVON-8 Backcard
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